---
title: "CPT_25_30 Decarbonisation Project - Architect Services"
ocid: "ocds-b5fd17-b338d949-b2e5-4f54-9e13-b4c7de9c717a"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-b5fd17-b338d949-b2e5-4f54-9e13-b4c7de9c717a"
markdown_url: "https://d3tenders.com/contract/ocds-b5fd17-b338d949-b2e5-4f54-9e13-b4c7de9c717a.md"
json_url: "https://d3tenders.com/contract/ocds-b5fd17-b338d949-b2e5-4f54-9e13-b4c7de9c717a.json"
source: "Contracts Finder"
current_stage: "Award"
buyer: "NATIONAL AUDIT OFFICE"
published: "2025-12-04"
---

# CPT_25_30 Decarbonisation Project - Architect Services

Buyer: NATIONAL AUDIT OFFICE  
Current stage: Award  
OCID: ocds-b5fd17-b338d949-b2e5-4f54-9e13-b4c7de9c717a

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## Summary

The National Audit Office (NAO) is conducting a procurement process titled "CPT_25_30 Decarbonisation Project - Architect Services," focused on architectural and related services in the realm of net-zero and decarbonisation. Located on Buckingham Palace Road, London, the project aims to deliver prioritised and costed net-zero options to decarbonise the NAO's headquarters. The contract, valued at £42,600, was awarded to TP Bennett LLP on 10 August 2025, with an initial term from 1 October 2025 to 31 March 2026 and the possibility to extend until 30 September 2026. This project falls under the services category with a classification code of 71200000 and was pursued through an open procedure below threshold, reflecting completion as per the latest award stage.

This tender presents significant opportunities for businesses specializing in architectural services with expertise in decarbonisation and sustainability, particularly small and medium-sized enterprises (SMEs) and voluntary, community, and social enterprises (VCSEs). With the procurement method being open and competitive, businesses with the capacity to design innovative net-zero solutions are well-positioned to benefit from this contract. Companies that can tailor their offerings to government projects requiring environmental impact reduction will find it an advantageous entry point into public sector contracting, fostering opportunities for growth and portfolio expansion.

## Notice

The NAO has awarded a contract for Architectural 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.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Contracts Finder |
| Latest notice | https://www.contractsfinder.service.gov.uk/Notice/d659579b-10a4-4a93-95cf-83155468468a |
| Notice type | Award Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Open |
| Procurement method details | Open procedure (below threshold) |
| Tender suitability | SME, VCSE |
| Awardee scale | SME |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 4 Dec 2025 |
| Submission deadline | 1 Jul 2025 |
| Future notice date | Not specified |
| Award date | 9 Aug 2025 |
| Contract period | 30 Sep 2025 - 31 Mar 2026 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £42,600 |
| Lots value | Not specified |
| Awards value | £42,600 |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Not specified |
| Awards status | Active |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | NATIONAL AUDIT OFFICE |
| Locality | LONDON |
| Post town | South West London |
| Postcode | SW1W 9SP |
| Country | England |
| ITL 1 | TLI London |
| ITL 2 | TLI3 Inner London - West |
| ITL 3 | TLI35 Westminster and City of London |
| Local authority | Westminster |
| Electoral ward | Pimlico North |
| Westminster constituency | Cities of London and Westminster |
| Delivery location | Not specified |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | TP BENNETT |

## CPV Codes

### Divisions

- 71 - Architectural, construction, engineering and inspection services

### Codes

- 71200000 - Architectural and related services

## Release History

- 4 Dec 2025 at 13:02 - Award - Award Notice - https://www.contractsfinder.service.gov.uk/Notice/d659579b-10a4-4a93-95cf-83155468468a

## Documents

- https://www.contractsfinder.service.gov.uk/Notice/d659579b-10a4-4a93-95cf-83155468468a
  4th December 2025 - Awarded contract notice on Contracts Finder

## Notice URLs

- https://www.nao.org.uk

## Provenance

This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-b5fd17-b338d949-b2e5-4f54-9e13-b4c7de9c717a. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-b5fd17-b338d949-b2e5-4f54-9e13-b4c7de9c717a.json.