Published date: 6 January 2026

Awarded contract - This means that the contract has been awarded to a supplier.


Closing: 1 July 2025, 12pm

Contract summary

Industry

  • Quantity surveying services - 71324000

Location of contract

SW1W 9SP

Value of contract

£25,200

Procurement reference

CPT_25_30 Decarbonisation Project - Cost Consultancy Services

Published date

6 January 2026

Closing date

1 July 2025

Closing time

12pm

Contract start date

1 October 2025

Contract end date

31 March 2026

Contract type

Service contract

Procedure type

Open procedure (below threshold)

Any interested supplier may submit a tender in response to an opportunity notice.

This procedure can be used for procurements below the relevant contract value threshold.

Contract is suitable for SMEs?

Yes

Contract is suitable for VCSEs?

Yes

Description

The NAO has awarded a contract for Cost Consultancy Services with expertise in net-zero and decarbonisation to deliver a set of prioritised and costed net zero options to achieve the high level outcome of decarbonising its headquarters on Buckingham Palace Road, London.

This is a six month contract with the provision to extend for a further 6 months. Initial contract is from 1 October 2025 - 31 March 2026. The final expiry should the contract be extended will be 30 September 2026.

The procurement route is Competitive - Non FTS.

Award information

Awarded date

10 August 2025

Contract start date

1 October 2025

Contract end date

31 March 2026

Total value of contract

£25,200

This contract was awarded to 1 supplier.

CB3 Consulting Ltd

Address

St John's Innovation Centre, Cowley Road, Cambridge, CB4 0WS

Reference

Companies House number: 12402484

Value of contract

£25,200

Supplier is SME?

Yes

Supplier is VCSE?

No

About the buyer

Contact name

Central Procurement Team

Address

157-197 Buckingham Palace Road
LONDON
SW1W9SP
England

Email

NAO.Procurement@nao.org.uk

Website

https://www.nao.org.uk