Find a TenderAwardedContract details notice
Published 22 May 2026, 15:17 BST

Official UK procurement notice

Sustainability Consultant for the New Wingat the National Gallery

Official notice

Authority: National Gallery (Central government)

ServicesCompetitive flexible procedureAbove thresholdSME suitable
Published estimate£200,000≈ £35k / year · £240,000 inc. VAT0.7% below published estimate
Submissions closed 22 Jun 2026awarded 30 Jul 2026
Awarded to BUILDING DESIGN PARTNERSHIP LTD
Contract term 5 yrs 8 moends 31 Mar 2032 · starts 1 Aug 2026

What is being bought

Published requirement description

The National Gallery is appointing a Sustainability Consultant with the capability, capacity and relevant experience to support the delivery of a new development at the Gallery, located on Trafalgar Square in central London.

The Project will involve the development of a newbuilding integrated with the existing National Gallery estate within a highly constrained and sensitive urban, cultural and heritage context.

The appointed consultant will be required to support the development and coordination of the sustainability strategy across the Project, including matters relating to operational energy, embodied carbon, Whole Life Carbon, circular economy principles, demolition and retention strategy, environmental performance, planning policy compliance and integration with the existing estate and heritage context.

The role of the Sustainability Consultant will include, as a minimum:

  • acting in a lead role responsible for development and coordination of the sustainability strategy across the Project;
  • advising the Client and Project Team on operational energy, embodied carbon, Whole Life Carbon, circular economy principles, environmental performance and sustainability policy compliance;
  • supporting the development of integrated sustainability strategies across both the new development and integration with the existing National Gallery estate;
  • supporting planning, statutory approval and environmental certification processes, including Whole Life Carbon assessments, Circular Economy Statements and BREEAM certification;
  • advising on sustainability considerations relating to demolition, retention, retrofit and adaptation of existing buildings;
  • coordinating sustainability requirements with the Architect, Structural Engineer, Mechanical ,Electrical and Public Health Engineer, Planning Consultant, Cost Consultant and other relevant disciplines;
  • advising on sustainability considerations relating to existing buildings, operational environments, constrained conditions and heritage-sensitive contexts; and
  • supporting the Project through design, procurement, construction, handover and operational stages, including ongoing advice in relation to sustainability matters.
  • How the procedure runs: The process comprises two linked elements within a single submission: • Appendix A - Procurement Specific Questionnaire (PSQ): a series of Pass/Fail Conditions of Participation that Candidates must satisfy in order to be considered for this commission; and • Invitation to Tender (ITT): a scored technical and commercial tender submission for Candidates that meet the Pass/Fail requirements. The Pass/Fail section is intended to confirm that each Candidate meets the minimum requirements for participation in relation to legal standing, financial capacity, insurance and project-specific technical capability. The ITT is intended to test the quality of the proposed team, the Candidate's understanding of the Project and its technical context, the proposed approach to delivery of the services, and the commercial proposal. Clarification interviews may be held with the 3 - 5 top scoring applicants

CPV: Environmental engineering consultancy services

The lotProcurement structure

single lot · value published
Lot #1Awarded 5 yrs 8 moPublished value£200,000
Contract period: 1 Aug 2026 – 31 Mar 2032 (5 yrs 8 mo)Value: £200,000 exc. VAT · £240,000 inc. VAT
Delivery: London
Pre-qualification & selection criteria (PQQ)2
  • Economic & financial standing

    as set out in the tender documents

  • Technical & professional ability

    as set out in the tender documents

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: 25%Price: 30%Social value: 10%Environmental: 35%
Published sub-criteria (6)
  • Proposed Team: 15%
  • Delivery Management, Coordination and Team integration: 10%
  • Commercial: 30%
  • Social Value: 10%
  • Project Understanding and Key Sustainability Challenges: 10%
  • Sustainability Strategy and Technical Approach: 25%
Published award criteria (6)
  • Proposed Team
  • Project Understanding and Key Sustainability Challenges
  • Sustainability Strategy and Technical Approach
  • Delivery Management, Coordination and Team integration
  • Social Value
  • Commercial
Conditions of participation2
  • Economic & financial standing

    as set out in the tender documents

  • Technical & professional ability

    as set out in the tender documents

What this means for your bid
  • Price carries 30 of 100 points: a 10% discount moves about 3 points. The method statement decides this lot, not the discount.

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
Services
Notice status
Awarded
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 May 2026, 15:17 BST
Last source update
7 Oct 2026, 10:35 BST
Award evaluation window
Submission end – 20 Jul 2026
Authority reference
262715DSU
FTS notice number
2026/S 000-048089
Latest notice
Contract details notice (UK7)
Classification (CPV)
Environmental engineering consultancy services
Delivery area
London (UKI32)
Official registry OCID
ocds-h6vhtk-06a1ce Find a Tender
How it runs

The process comprises two linked elements within a single submission:

  • Appendix A - Procurement Specific Questionnaire (PSQ): a series of Pass/Fail Conditions of Participation that Candidates must satisfy in order to be considered for this commission; and
  • Invitation to Tender (ITT): a scored technical and commercial tender submission for Candidates that meet the Pass/Fail requirements.

The Pass/Fail section is intended to confirm that each Candidate meets the minimum requirements for participation in relation to legal standing, financial capacity, insurance and project-specific technical capability. The ITT is intended to test the quality of the proposed team, the Candidate's understanding of the Project and its technical context, the proposed approach to delivery of the services, and the commercial proposal.

Clarification interviews may be held with the 3 - 5 top scoring applicants

Review and risk notes
Risks

Delays related to the planning or discovery phases may extend the contract period

How it was run

Official notice
Run through: Delta eSourcing · Who buys & how to bid on Delta
Public notice page · account needed to bidElectronic submission allowedLanguage: EN
Access & registration note: Free Select account; no DUNS asked at signup
Submission deadline
22 Jun 2026, 12:00 BST
Clarification deadline
9 Jun 2026, 23:59 BST
Submission channel
Official e-sourcing portal
Electronic submission
Allowed
Accepted languages
en
Detailed submission instructions & authority contactsFrom official release

Timeline

22 May 2026 → 7 Oct 2026 · 8 dates
  1. Tender notice published147 days ago
    22 May 2026, 15:17 BST
  2. Clarification questions by128 days ago
    9 Jun 2026, 23:59 BST
  3. Submission deadline116 days ago
    22 Jun 2026, 12:00 BST
  4. Award decision expected by87 days ago
    20 Jul 2026, 23:59 BST
  5. Assessment summaries sent78 days ago
    30 Jul 2026, 00:00 BST
  6. Contract starts76 days ago
    1 Aug 2026, 00:00 BST
  7. Standstill ends65 days ago
    11 Aug 2026, 23:59 BST
  8. Latest notice published9 days ago
    7 Oct 2026, 10:35 BST

Notice history

5 events · 3 releases on Find a Tender · since 22 May 2026
  1. Tender notice published
    22 May 2026, 15:17 BST
    UK4
  2. Contract award notice published
    30 Jul 2026, 14:57 BST
    UK6
  3. Status changed to complete
    30 Jul 2026, 14:57 BST
  4. Contract signature expected
    12 Aug 2026, 23:59 BST
    scheduled
  5. Contract details notice published
    7 Oct 2026, 10:35 BST
    UK7

Commercial outcome & contract awards

Published awards, contracts and bid statistics, not a forecast
Awards 1
Awarded value £198,6501 award exc. VAT
Bids received 124 from SMEs
Contracts signed 1latest 12 Aug 2026
Awarded toValueDateStatus
BUILDING DESIGN PARTNERSHIP LTD12 Aug 2026 – 31 Mar 2032£198,65030 Jul 2026Awarded

Contracts

Bid statistics published by the authority

BidsSMEVCSEValid bid range
12final-stage tenders · 14 at stage one40—

Contracting authority & participating public bodies

National Gallery

Contracting authorityPublic authority - central government GB-PPON: PGYR-7259-GLQG Trafalgar Square, London, London, WC2N 5DNContact email

Bidders & participating suppliers

1 commercial party on the notice
  • BUILDING DESIGN PARTNERSHIPLIMITEDAwarded supplierGB-COH: 02207415GB-PPON: PJNX-1574-LCMY 11 Ducie Street, Piccadilly Basin, Manchester, North West, M1 2JBContact email

Official documents & specifications (3)

Official links; attachments are not copied

Notices published for this procedure

  • Contract details notice contractContract details noticeUK7Contract details notice on Find a Tender
  • Contract award notice awardContract award noticeUK6Contract award notice on Find a Tender
  • Tender notice tenderTender noticeUK4Tender notice on Find a Tender