Find a TenderAwardedContract details notice
Published 7 Oct 2026, 10:56 BST

Official UK procurement notice

Landscape Architect for the New Wing at the National Gallery

Official notice

Authority: National Gallery (Central government)

ServicesCompetitive flexible procedureAbove thresholdSME suitable
Published estimate£750,000≈ £127k / year · £900,000 inc. VAT · 1 value update9.7% above published estimate
Submissions closed 17 Feb 2026awarded 21 Jul 2026
Awarded to GUSTAFSON PORTER + BOWMAN LLP
Contract term 5 yrs 11 mostarts 1 May 2026

What is being bought

Published requirement description

The National Gallery is appointing a Landscape Architect with the capability and capacity to design and support the delivery of landscape, public realm and external works for a new wing to the Gallery, located on Trafalgar Square in central London. The contract will cover RIBA stages 1 - 7

The role of the Landscape Architect will include, as a minimum:

• Lead and coordinate landscape and public realm design inputs in support of the project brief, architectural intent and wider estate context.

• Develop landscape design information appropriate to each RIBA Stage, including strategies, drawings, schedules, specifications and coordination information.

• Coordinate interfaces with the Architect, engineers, specialist consultants and the wider project team, including interfaces with existing site conditions and live operational constraints.

• Support statutory and technical approvals, including planning and listed building consent processes, highways/public realm approvals where relevant, and engagement with statutory authorities.

• Support procurement activities, tender queries, design development during contractor procurement and responses to technical clarifications.

• Provide construction-stage support including site attendance as required, responses to RFIs, inspections, review of contractor proposals, and support to handover, defects and post-completion activities.

  • How the procedure runs: Shortlist of 5 suppliers to be invited to tender following assessment of PSQ Tender interviews to be held

CPV: Landscape architectural services

The lotProcurement structure

single lot · value published
Lot #1Awarded 5 yrs 11 moPublished value£750,000
Contract period: 1 May 2026 — 31 Mar 2032 (5 yrs 11 mo)Delivery: London
Value
£750,000 exc. VAT · £900,000 inc. VAT
71420000 Landscape architectural services

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
  • Technical Response
  • Social Value
  • Resource Schedule
  • Fee Schedule
Conditions of participation3
  • Economic & financial standing
    as set out in PSQ
  • Technical & professional ability
    as set out in PSQ
  • Condition of participation
    shortlist following assessment of PSQ responses shortlisting

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
No (one-off requirement)
First published
7 Oct 2026, 10:56 BST
Last source update
7 Oct 2026, 10:56 BST
Award evaluation window
Submission end — 28 Apr 2026, 23:59 BST
Authority reference
262704DLA
FTS notice number
2026/S 000-005279
Latest notice
Contract details notice (UK7)
Classification (CPV)
Landscape architectural services
Delivery area
London (UKI32)
Official registry OCID
ocds-h6vhtk-060b0b Find a Tender
How it runs
Shortlist of 5 suppliers to be invited to tender following assessment of PSQ Tender interviews to be held
Review and risk notes
Risks
Planning process causes delays or changes scope

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
Expression of interest (EOI)
17 Feb 2026, 12:00 GMT
Submission deadline
17 Feb 2026, 12:00 GMT
Clarification deadline
3 Feb 2026, 16:00 GMT
Submission channel
Official e-sourcing portal
Electronic submission
Allowed
Accepted languages
en
Detailed submission instructions & authority contactsFrom official release

Timeline

8 published dates · Europe/London
  1. Tender notice published260 days ago
    21 Jan 2026, 13:11 GMT
  2. Clarification questions by246 days ago
    3 Feb 2026, 16:00 GMT
  3. Submission deadline233 days ago
    17 Feb 2026, 12:00 GMT
  4. Award decision expected by162 days ago
    28 Apr 2026, 23:59 BST
  5. Contract starts160 days ago
    1 May 2026, 00:00 BST
  6. Assessment summaries sent79 days ago
    21 Jul 2026, 00:00 BST
  7. Standstill ends68 days ago
    31 Jul 2026, 23:59 BST
  8. Latest notice published1 day ago
    7 Oct 2026, 10:56 BST

Commercial outcome & contract awards

Published awards, contracts and bid statistics — not a forecast
Awards 1
Awarded value £822,8481 award exc. VAT
Bids received 44 from SMEs
Contracts signed 1latest 3 Aug 2026
Awarded toValueDateStatus
GUSTAFSON PORTER + BOWMAN LLPSME3 Aug 2026 — 31 Mar 2032£822,84821 Jul 2026Awarded

Contracts

  • Contract 1 · GUSTAFSON PORTER + BOWMAN LLPSME

    Signed
    3 Aug 2026
    Value
    £822,848
    Period
    3 Aug 2026 — 31 Aug 2033
    Status
    active

    No agreed KPIs: under £5million

Bid statistics published by the authority

BidsSMEVCSEValid bid range
4final-stage tenders40—

Notice history

6 events · 3 releases on Find a Tender · since 21 Jan 2026
  1. Contract details notice published
    7 Oct 2026, 10:56 BSTUK7
  2. Contract signature expected
    3 Aug 2026, 23:59 BSTscheduled
  3. Contract award notice published
    21 Jul 2026, 10:26 BSTUK6
  4. Published value updated
    21 Jul 2026, 10:26 BSTwas £750,000
  5. Status changed to complete
    21 Jul 2026, 10:26 BST
  6. Tender notice published
    21 Jan 2026, 13:11 GMTUK4

Contracting authority & participating public bodies

National Gallery

Contracting authorityPublic authority - central government GB-PPON: PGYR-7259-GLQG Trafalgar Square, London, London, WC2N 5DN [email protected]

Bidders & participating suppliers

1 commercial party on the notice

Official documents & specifications (4)

Official links; attachments are not copied

Tender pack and attachments

  • Conflict of interest declarationtenderConflict of interest declarationNot published

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