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Published 22 Dec 2025, 13:02 GMT

Official UK procurement notice

The Omega Centre Special Education Needs School Refurbishment & Extension

Official notice

Authority: Portsmouth City Council (Local council)

WorksCompetitive flexible procedureAbove thresholdSME suitable
Published estimate£7,500,000≈ £5.0m / year · £9,000,000 inc. VAT
Submissions closed 17 Apr 2026
Next notice expected 27 Feb 2026
Contract term 1 yr 6 moends 17 Mar 2028 · starts 18 Sept 2026

What is being bought

Published requirement description

Portsmouth City Council ('the council') is inviting requests to participate from suitably qualified suppliers to deliver the refurbishment & extension of the Omega Arts Centre to form a new school for young people with special education needs & disabilities (SEND).

Site address is: The Omega Arts Centre, 2 Omega Street, Portsmouth PO5 4LP

The estimate contract value is £7.5m and we expect work to commence on site in October 2026 and to complete in March 2028.

The schedule is:

Task Date

Publish above threshold FTS contract notice 13.03.2026

1st Stage - CoP published on Intend 13.03.2026

Deadline for requests for clarification 02.04.26 @ 23:59

Stage 1 CoP submission deadline 17.04.26 @ 12:00

Notification of CoP evaluation results 08.05.2026

Stage 2 ITT documents published on Intend 15.06.2026

Site Visits w/c 29.06.2026

Deadline for requests for clarification 24.07.2026

Stage 2 - Tender return deadline 31.07.2026

Issue assessment summaries / Award notice 07.09.2026

Standstill period (8 days mandatory) 07.09.2026 - 16.09.2026

Contract award confirmation letter 18.09.2026

Mobilisation 02.10.2026 - 29.10.2026

Start on site 30.10.2026

Complete on site 17.03.2028

The Council are looking to appoint a Principal Contractor, with the ability to undertake the works directly The contract is for construction and a design portion. A Planning application has been submitted.

The Council has decided to use a two-stage process to procure the stated requirements; specifically:

  • a discrete Conditions of Participation stage to establish a shortlist of up to 4 suppliers
  • shortlisted suppliers will subsequently be invited to tender for the works.

The successful supplier will be appointed using a JCT Intermediate Building Contract 2024 with Contractors Design Portion.

The Council is targeting to have awarded this contract by September 2026.

SCOPE

The contractor will take on responsibility for several elements of the design, including but not limited to the elements of the structural, mechanical and electrical services

The works include new build construction, extensions to the existing building, adaptations to the existing building, maintenance works to the existing building, landscape work on the site.

The full design and list of Contractors Design Portions will be issued as part of the tender documents.

The successful contractor will take on the responsibility for preparing the designs for the Contractor Design Portions, demolishing an existing building and delivering the construction of the 4 new buildings/extensions to from a SEND school, they will be expected to co-ordinate and take on the role of Principal Contractor under the CDM Regulations & the Building Safety Act for the works activities.

  • How the procedure runs: The Council will undertake the procurement process to award the contract in line with the procurement procedure and programme outlined below which utilises the Competitive Flexible Procedure as defined within the Procurement Act 23 Stage 1 will be a Conditions of Participation stage, which will be used to shortlist to a maximum of 4 suppliers. These 4 suppliers will then be invited to submit tenders at stage 2. The cost/quality split is likely to be on a 70%/30% basis, however, the Council reserves its right to refine award criteria during the procurement procedure and to adopt a Cost/Quality split that is +/- 10% of these values. The evaluation criteria will be fully defined upon the publication of the 2nd stage tender but will likely include the following themes and weighting ranges- • Methodology - weighting of 7.5% (+/- 5%) • Programme/Risk - weighting of 10% (+/- 5%) • Resource - weighting of 7.5% (+/- 5%) • Social Value - weighting of 5% (+/- 5%) Following evaluation against quality / cost criteria, the MAT bidder will be the preferred bidder.

CPV: Architectural and related services · Building completion work · Building fittings · Building installation work · Building materials · Construction work for college buildings · Construction work for school buildings · Construction-related services · Engineering services · Hire of construction and civil engineering machinery and equipment with operator · Landscape architectural services · Miscellaneous building structures · +6 more

The lotProcurement structure

single lot · value published
Lot #1 1 yr 6 moSMEPublished value£7,500,000
Contract period: 18 Sept 2026 – 17 Mar 2028 (1 yr 6 mo)Value: £7,500,000 exc. VAT · £9,000,000 inc. VAT
Delivery: South EastEligibility: SME eligible
Second stage: up to 4 candidates invited to tender
Pre-qualification & selection criteria (PQQ)3
  • Economic & financial standing

    Please refer to the SUBMISSION section below and documents issued via In-tend for full conditions of participation.

  • Technical & professional ability

    Please refer to the SUBMISSION section below and documents issued via In-tend for full conditions of participation.

  • Condition of participation

    The Council will undertake a shortlisting process, with the highest scoring 4 suppliers following assessment of Conditions of Participation by the Council, who meet all the pass/fail criteria, progressing to the tender stage. In the event that multiple suppliers are tied at 4th place through the achievement of identical scores then a tie-break will apply.

    The Council reserve the right to proceed to the second stage of the tender process in the event there are less than four suppliers who meet the conditions of participation criteria.

    Any interested suppliers will need to register on the governments Central Digital Platform for the Council to review any potential grounds for exclusion and conduct a debarment check.

    The Council will be required to undertake checks on any named subcontractor a supplier incorporates into their bid. If the subcontractor was to meet the exclusion grounds and/or be listed on the debarment list, then the Council will need to investigate this as part of any award decision. The Council may require a supplier to change the nominated sub-contractor if they do not meet the exclusion grounds and/or listed on the debarment list.

    Suppliers must pass :

    • Part 1 and 2 of the Conditions of Participation
    • Financial capacity (Credit score and turnover requirements)
    • Insurance (PL, EL & PI)
    • H&S (SSIP accreditation or equivalent, RIDDOR, HSE notice requirements)
    • Accreditations (Considerate contractor or equivalent)
    • Modern slavery
    • Technical ability

    Minimum of 3 - Maximum of 5 contract case studies relating to works completed or are currently being completed within the past 5 years must be submitted using the Contract Case Study template provided. All case studies are to be supported with a reference questionnaire completed and returned by the contractor's client.

    Multiple case studies that apply to the same client organisation are permitted provided that each example relates to a discrete contract. Please note: A single case study can be used to demonstrate multiple requirements.

    PASS/FAIL

    Case studies will be assessed holistically and must demonstrate evidence of the following minimum required elements to pass:

    • At least 1 case study contractors must show experience of undertaking the refurbishment of an existing historic, brick-built building similar in size and scope to the Omega Project.
    • At least 1 case study must demonstrate experience working within or to build school/college buildings (SEND or non-SEND School).
    • At least 1 case study must show experience of working in either an occupied site or working adjacent to an occupied site with similarly vulnerable users (e.g. working in a school, care home, nursery, hospice, hospital etc)
    • At least 1 case study must illustrate site management experience in a publicly accessible environment.
    • At least 1 case study must demonstrate experience undertaking works at sites which have limited access.
    • At least 1 case study must demonstrate experience undertaking works at sites which have limited space onsite for material storage etc.
    • At least 2 case study must demonstrate experience working on contracts to a value within a range of £3m - £9m
    • At least 2 case study must demonstrate experience of working on contracts as a Principal Contractor where JCT Terms have been utilised.
    • At least 2 case study must demonstrate experience of delivering complex landscape schemes (e.g. a landscape scheme that includes, multiple different surfaces, extensive drainage works, planting etc.) either as part of a building project or as discrete external works schemes. (Either directly or using sub-contractors)

    SCORING

    All suppliers that achieve a Pass, will then have their case studies scored.

    2 points will be given for each of the first two elements below and 1 point will be given for each of the last four elements below, that is evidenced within a case study. For example, if the first element mentioned is evidenced within 1 case study it will score 2 points, if evident in 2 case studies, then it will score a further 2 points etc up to a maximum of 10 points if it is evident in all 5 case studies.

    A maximum score of 40 points is possible if all 6 elements are evidenced in all 5 case studies.

    Please note, not all the elements below were pass/fail criteria so contractors should endeavour to include evidence of the below within their case studies in order to achieve higher scores.

    • (2 Points) Experience of undertaking the refurbishment of an existing historic, brick-built building similar in size and scope to the Omega Project.
    • (2 Points) Experience working within or to build SEND school/college buildings.
    • (1 Point) Evidence of providing apprenticeship opportunities / work experience as a social value commitment
    • (1 Point) Experience of managing significant buried services.
    • (1 point)Experience of providing (Either directly or indirectly) bespoke carpentry from the contractors own workshop
    • (1 point) Experience of delivering complex landscape schemes (e.g. a landscape scheme that includes, multiple different surfaces, extensive drainage works, planting etc.) either as part of a building project or as discrete external works schemes. (Either directly or using sub-contractors)

    If multiple suppliers are tied at 4th place through the achievement of identical scores, then a tie-break will apply. The tie-break will take the sum of the scores achieved for the following experience elements within the Technical and Professional Ability Questions:

    • Experience of undertaking the refurbishment of an existing historic, brick-built building similar in size and scope to the Omega Project.
    • Experience working within or to build SEND school/college buildings.

    This will provide one score for each supplier tied for 4th place and the highest-ranking supplier will be taken through as 4th place to tender.

    If scores remain tied, preference will be given first to the supplier with the highest scoring SEND school experience, and if still tied, to the one with the highest scoring historic building refurbishment experience.

    shortlisting

What it takes to win
i

How this buyer will score bids.

The evaluation criteria and weights exactly as published on the notice, grouped by family (price, quality, social value and so on).

Evaluation split and conditions of participation as published; the tender pack may add more
How bids were scored
Quality: 30%Price: 70%
Published award criteria (2)
  • Quality: These criteria will be refined later, see the 'Competitive flexible procedure description' on the 'Procedure' page for details. Current weighting is on the basis of 30% quality(+-10%).
  • Price: These criteria will be refined later, see the 'Competitive flexible procedure description' on the 'Procedure' page for details. Current weighting is on the basis of 70% price (+-10%).
Conditions of participation3
  • Economic & financial standing

    Please refer to the SUBMISSION section below and documents issued via In-tend for full conditions of participation.

  • Technical & professional ability

    Please refer to the SUBMISSION section below and documents issued via In-tend for full conditions of participation.

  • Condition of participation

    The Council will undertake a shortlisting process, with the highest scoring 4 suppliers following assessment of Conditions of Participation by the Council, who meet all the pass/fail criteria, progressing to the tender stage. In the event that multiple suppliers are tied at 4th place through the achievement of identical scores then a tie-break will apply.

    The Council reserve the right to proceed to the second stage of the tender process in the event there are less than four suppliers who meet the conditions of participation criteria.

    Any interested suppliers will need to register on the governments Central Digital Platform for the Council to review any potential grounds for exclusion and conduct a debarment check.

    The Council will be required to undertake checks on any named subcontractor a supplier incorporates into their bid. If the subcontractor was to meet the exclusion grounds and/or be listed on the debarment list, then the Council will need to investigate this as part of any award decision. The Council may require a supplier to change the nominated sub-contractor if they do not meet the exclusion grounds and/or listed on the debarment list.

    Suppliers must pass :

    • Part 1 and 2 of the Conditions of Participation
    • Financial capacity (Credit score and turnover requirements)
    • Insurance (PL, EL & PI)
    • H&S (SSIP accreditation or equivalent, RIDDOR, HSE notice requirements)
    • Accreditations (Considerate contractor or equivalent)
    • Modern slavery
    • Technical abil…
    shortlisting
What this means for your bid
  • Price carries 70 of 100 points: a 10% discount moves about 7 points. This one is won on the number: sharpen the price before polishing the prose.

Price arithmetic assumes straight proportional scoring; the tender pack may use another formula.

Procedure terms & legal framework

From the official record
Procedure method
Competitive flexible procedure
Legal basis
UKPGA · 2023/54 Procurement Act 2023
Procurement category
Works
Notice status
Closed
Procurement threshold
Above threshold (FTS publication)
Regulatory regime
Standard
Commercial structure
Stand-alone contract (no framework)
Competition type
Competitive procedure
GPA / WTO covered
Yes (GPA)
Recurring procurement
Unspecified in notice
First published
22 Dec 2025, 13:02 GMT
Last source update
13 Mar 2026, 13:34 GMT
Award evaluation window
Submission end – 7 Sept 2026
FTS notice number
2026/S 000-022996
Latest notice
Tender notice (UK4)
Classification (CPV)
Architectural and related servicesBuilding completion workBuilding fittingsBuilding installation workBuilding materialsConstruction work for college buildingsConstruction work for school buildingsConstruction-related servicesEngineering servicesHire of construction and civil engineering machinery and equipment with operator
+8 moreLandscape architectural servicesMiscellaneous building structures
Delivery area
South East (UKJ31)
Official registry OCID
ocds-h6vhtk-05fb86 Find a Tender
How it runs

The Council will undertake the procurement process to award the contract in line with the procurement procedure and programme outlined below which utilises the Competitive Flexible Procedure as defined within the Procurement Act 23

Stage 1 will be a Conditions of Participation stage, which will be used to shortlist to a maximum of 4 suppliers.

These 4 suppliers will then be invited to submit tenders at stage 2.

The cost/quality split is likely to be on a 70%/30% basis, however, the Council reserves its right to refine award criteria during the procurement procedure and to adopt a Cost/Quality split that is +/- 10% of these values.

The evaluation criteria will be fully defined upon the publication of the 2nd stage tender but will likely include the following themes and weighting ranges-

  • Methodology - weighting of 7.5% (+/- 5%)
  • Programme/Risk - weighting of 10% (+/- 5%)
  • Resource - weighting of 7.5% (+/- 5%)
  • Social Value - weighting of 5% (+/- 5%)

Following evaluation against quality / cost criteria, the MAT bidder will be the preferred bidder.

Review and risk notes
Risks

KPIs

The detailed KPIs and scoring methodology will be set out within stage 2 tender documents. The KPIs will include for and develop upon the high-level structure set out below:

  • Time - Delivery of completion to programme
  • Cost - Agreement of final account within 18 months of Practical Completion
  • Quality
  • Number of defects / Efficiency of managing defects identified
  • Communications, reporting & Response
  • Health & Safety Management
  • Minimising Disruption, Site Logistics, Security & Access
  • Quality Management
  • Handover at Practical Completion

As required under the Procurement Act 23, the Council will publish a Contract Performance Notice at the key delivery points stated above which summarises delivery performance against the finalised KPIs.

The Council will work in partnership with the appointed contractor and will review KPI performance with the contractor at regular intervals. The Council will seek to agree KPI scores with the contractor prior to issue of a Contract Performance Notice and will provide the contractor with details of scores and rationale at least 8 working days prior to issue of the notice to allow for pre-issue representations.

In the event of significant non-performance, such as significant persistent performance issues where reasonable opportunity has been provided to the contractor to address but has failed to do so, application of significant damages or other significant penalties, termination (including partial termination) of the contract or the reaching of a settlement agreement between the parties, the Council will be required to issue a Performance Notice within 30 days of the breach in accordance with Section 71 of the Procurement Act 23.

If a modification cannot be defined as non-substantial and / or below threshold, the Council may still make modifications to the contract, not exceeding 50% of the latest contract value per modification, in respect the following situations:

  • Where the modification was transparently and unambiguously allowed for within the contract
  • Materialisation of a published known risk
  • Urgency & the protection of life
  • Unforeseeable circumstances which could not have been reasonably foreseen by the Council
  • Additional goods, works & services which are a repetition of items already covered within the scope of the contract and only where a change of contractor would significantly impact compatibility and result in significant in duplication of costs

In such instances the Council will issue a Contract Change Notice each time a modification is made and publish an updated redacted version of the contract within 90 days of the modification.

The Council may decide to include for a voluntary 8 working day standstill period from issuing a Contract Change Notice to subsequent modification of the contract in order to mitigate risk of challenge, although it will be under no legal obligation to do so.

KNOWN RISKS

The Council has identified the following known risk areas which could materialise over the course of the procurement process and delivery of the contract and may impact programme, cost and scope of the contract:

  • Contaminated Land - Identification of contaminated land before or during construction could impact scope, programme and cost
  • Condition of existing building - Issues with existing building structure and foundations found during construction could impact scope, programme and cost
  • Proximity of an occupied school site - Restrictions on work activities in order to minimise disruption to neighbours and other stakeholder could impact programme & cost
  • Un recorded underground services - Issues with service connections found during construction could impact scope, programme and cost
  • Discovery of protected species on site - Identification of protected species before or during construction could impact programme and cost
  • Discovery of asbestos - Identification of asbestos containing materials during construction could impact scope, programme and cost
  • Delays to gaining planning approval could impact upon the procurement programme, contract award date and works commencement dates
  • Design changes required to meet planning conditions could impact upon the procurement programme, contract award date and works commencement dates
  • Design changes required to meet planning conditions could impact upon the scope of works, contract value and construction programme

In accordance with Schedule 8 of the Procurement Act 23, the Council reserves the right to modify the contract, without initiating a new procurement procedure, should any of these risks materialise during the procurement process and/or delivery of the contract. Any such modification will be limited to addressing the consequences of the known risk and will not alter the overall nature of the contract. Where applicable and required a modification to the Tender Notice or a Contract Change Notice will be published in accordance with the requirements of the Procurement Act.

How it was run

Official notice
Run through: In-tend · Who buys & how to bid on In-tend
Supplier login requiredElectronic submission allowedLanguage: EN
Access & registration note: Free · one account per buying organisation's portal · reCAPTCHA on signup
Requests to participate (first stage)
17 Apr 2026, 12:00 BST
Submission deadline
17 Apr 2026, 12:00 BST
Clarification deadline
2 Apr 2026, 23:59 BST
Submission channel
Official e-sourcing portal
Electronic submission
Allowed
Accepted languages
en
Detailed submission instructions & authority contactsFrom official release

in-tendhost.co.uk/portsmouthcc/aspx/Home ↗

Suppliers who are not already registered on the In-tend system will need to register their details in order to access the procurement documentation, raise clarification requests and return tender submissions.

Timeline

22 Dec 2025 → 18 Sept 2026 · 8 dates
  1. Planning notice published309 days ago
    22 Dec 2025, 13:02 GMT
  2. Market engagement270 days ago
    30 Jan 2026, 23:59 GMT

    The Council is running the Preliminary Market Engagement process and activities in line with the summary programme set out below:

    Publish PME Notice / issue on InTend 22.12.25

    PME Clarification deadline 23.01.26 at 23:59

    PME questionnaire return deadline 30.01.26 at 12:00

    The Council will administrate the preliminary market engagement process using its e-sourcing system In-tend. The In-tend system can be accessed free of charge via the following web link:

    in-tendhost.co.uk/portsmouthcc/aspx/home ↗

    Suppliers who are not already registered on the In-tend system will need to register their details to access the documentation, raise clarification requests and return the questionnaire submissions.

    The Council is requesting suppliers to read through the PME Briefing document (Available on Intend), to gain a better understanding of the proposed project and then to provide feedback and confirm express interest by completing the questionnaire and returning it, along with completed Conflict Of Interest Form in Word format via InTend by 30th January 2026 at 12:00 (Noon).

    Suppliers are encouraged but not obliged to complete the questionnaire. Suppliers that do not take part, will not be precluded from any subsequent related procurement process.

    Engaging suppliers will not receive preferential treatment in any subsequent tender process, and this is in no way an indication of the selection of any organisation or a guarantee of future work.

    Suppliers will have the ability to submit the questionnaire past the deadline above. However, if questionnaires are not submitted by this deadline the Council may not be able to use the information provided & subsequently take this into account as part of the options appraisal and PME High level Summary Report produced.

    For full details of the PME process and documentation suppliers should refer to InTend.

  3. Next notice expected242 days ago
    27 Feb 2026, 23:59 GMT
  4. Tender notice published228 days ago
    13 Mar 2026, 13:34 GMT
  5. Clarification questions by208 days ago
    2 Apr 2026, 23:59 BST
  6. Submission deadline193 days ago
    17 Apr 2026, 12:00 BST
  7. Award decision expected by50 days ago
    7 Sept 2026, 23:59 BST
  8. Contract starts40 days ago
    18 Sept 2026, 00:00 BST

Notice history

5 events · 3 releases on Find a Tender · since 22 Dec 2025
  1. Preliminary market engagement notice published
    22 Dec 2025, 13:02 GMT
    UK2
  2. Preliminary market engagement notice published
    20 Jan 2026, 12:10 GMT
    UK2
  3. Tender notice published
    13 Mar 2026, 13:34 GMT
    UK4
  4. Status changed to active
    13 Mar 2026, 13:34 GMT
  5. Procurement method changed
    13 Mar 2026, 13:34 GMT
Published amendments (1)

Error on link to Intend. Link now updated.

Contracting authority & participating public bodies

Portsmouth City Council

Contracting authorityPublic authority - sub-central government GB-PPON: PCNL-5714-PRZV Civic Offices, Guildhall Square, Portsmouth, South East, PO1 2ALContact name, email, phone

Official documents & specifications (4)

Official links; attachments are not copied

Tender pack and attachments

  • Bidding documents and specificationstenderBidding documents and specificationsAccess: The Council will administrate this procurement process using it's e-sourcing solution In-tend which is accessible free of charge via: https://in-tendhost.co.uk/portsmouthcc/aspx/Home Suppliers who are not already registered on the In-tend system will need to register their details in order to access the procurement documentation, raise clarification requests and return tender submissions.

Notices published for this procedure