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56-64 Conduit Street and 11 Burlington Place - Construction Works Main Contractor Design & Build

The Crown Estate

This public procurement record has 2 releases in its history.

Award

15 Sep 2026 at 16:31

UK6 - Contract Award Notice
Tender

02 Jan 2026 at 11:01

UK4 - Tender Notice
Summary of the contracting process

The Crown Estate procured a main contractor for the redevelopment of 56–64 Conduit Street and 11 Burlington Place in Westminster, London. The works combine new-build and refurbishment to provide commercial office and retail, food and beverage accommodation. The requirement covers design and construction services, beginning with a desktop design and buildability review, followed by technical design development and delivery of the completed development. This is a major construction works opportunity for a contractor able to manage the full design-and-build process, coordinate refurbishment with new construction and deliver commercial property space in central London. The procurement was above threshold and covered one overall construction requirement rather than separate trade packages or specialist service lots.

The procurement is complete and Knight Harwood Limited was awarded the contract on 15 September 2026, following a competitive flexible procedure using a selective method. The award is £69 million excluding VAT (£82.8 million including VAT), for the period from 30 September 2026 to 31 January 2029. The planned route comprised mandatory participation conditions, a technical pre-qualification stage to shortlist bidders, and a final stage assessing detailed technical and cost submissions. Two valid final-stage bids were received. Evaluation at the pre-qualification stage was based entirely on technical criteria, including programme management, team and experience, health and safety, sustainability, social value, quality and risk management, supply chain management, design and change management, and CDM 2015 duties. The contract uses a two-stage approach involving pre-construction services before the main design-and-build works.

This award indicates demand from The Crown Estate for large, integrated commercial redevelopment contractors able to take responsibility from early design review through construction delivery. A credible competitor for a future requirement of this type would need strong programme management, design coordination and buildability expertise, with experience of combining new-build and refurbishment in a constrained central London setting. The evaluation also shows that technical strength is central: bidders need demonstrable teams and relevant project experience, robust health, safety and wellbeing arrangements, and effective quality and risk controls. Capability in sustainable construction, innovation, social value, supply-chain management and change management would be important, alongside the ability to fulfil the CDM 2015 principal designer and principal contractor roles. The requirement suits established organisations with substantial delivery capacity and a mature supply chain.

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Notice Information

Notice Title

56-64 Conduit Street and 11 Burlington Place - Construction Works Main Contractor Design & Build

Notice Description

Appointment of a contractor to provide design and construction services for the redevelopment of 56-65 Conduit Street and 11 New Burlington Place, Westminster, London, comprising a combination of new-build and refurbishment works to deliver commercial office and retail/F&B accommodation. The procurement will be conducted using a Competitive Flexible Procedure, consisting of mandatory conditions of participation followed by two stages of competitive tendering. The successful contractor will initially be appointed under a short-form appointment to undertake a desktop design and buildability review. Subject to the satisfactory completion of this phase, the contractor will then enter into a Pre-Construction Services Agreement (PCSA) under a Minor Works Order to progress the technical design through RIBA Stage 4. On successful completion of the PCSA, the contractor will then be appointed under a Design and Build contract to deliver the main construction work

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-05feb0
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/087475-2026
Current Stage
Award
All Stages
Tender, Award

Procurement Classification

Notice Type
UK6 - Contract Award Notice
Procurement Type
Standard
Procurement Category
Works
Procurement Method
Selective
Procurement Method Details
Competitive flexible procedure
Tender Suitability
Not specified
Awardee Scale
Large

Common Procurement Vocabulary (CPV)

CPV Divisions

45 - Construction work

CPV Codes

45000000 - Construction work

Notice Value(s)

Tender Value
£60,000,000 £10M-£100M
Lots Value
£60,000,000 £10M-£100M
Awards Value
£69,000,000 £10M-£100M
Contracts Value
Not specified

Notice Dates

Publication Date
15 Sep 20261 months ago
Submission Deadline
Not specified
Future Notice Date
Not specified
Award Date
15 Sep 20261 months ago
Contract Period
30 Sep 2026 - 31 Jan 2029 2-3 years
Recurrence
Not specified

Notice Status

Tender Status
Complete
Lots Status
Complete
Awards Status
Active
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
The Crown Estate
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
LONDON
Postcode
SW1Y 4AH
Postcode Area
South West London
Country
England
Major Region (ITL 1)
TLI London
Basic Region (ITL 2)
TLI3 Inner London - West
Small Region (ITL 3)
TLI35 Westminster and City of London
Delivery Location
TLI London
Local Authority
Westminster
Electoral Ward
St James's
Westminster Constituency
Cities of London and Westminster

Supplier Information

Number of Suppliers
1
Supplier Name

KNIGHT HARWOOD LIMITED

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

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The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts.

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