---
title: "20 Air Street BMS Replacement Works"
ocid: "ocds-b5fd17-5289265b-61e3-49bc-87d3-c21823dc1020"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-b5fd17-5289265b-61e3-49bc-87d3-c21823dc1020"
markdown_url: "https://d3tenders.com/contract/ocds-b5fd17-5289265b-61e3-49bc-87d3-c21823dc1020.md"
json_url: "https://d3tenders.com/contract/ocds-b5fd17-5289265b-61e3-49bc-87d3-c21823dc1020.json"
source: "Contracts Finder"
current_stage: "Award"
buyer: "THE CROWN ESTATE"
published: "2026-01-16"
---

# 20 Air Street BMS Replacement Works

Buyer: THE CROWN ESTATE  
Current stage: Award  
OCID: ocds-b5fd17-5289265b-61e3-49bc-87d3-c21823dc1020

[View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-b5fd17-5289265b-61e3-49bc-87d3-c21823dc1020)  
[Download OCDS JSON](https://d3tenders.com/contract/ocds-b5fd17-5289265b-61e3-49bc-87d3-c21823dc1020.json)

## Summary

The Crown Estate has successfully completed a public procurement process for the "20 Air Street BMS Replacement Works". This project falls under the building services category and is located in the United Kingdom. The procurement was conducted using a selective method via a restricted procedure above threshold, which started with a tender period ending on 29th May 2024. The contract period commenced on 2nd July 2024 and is expected to conclude on 6th December 2024. The associated award was made on 30th May 2024, with All BMS Systems Limited named as the supplier. The total contract value is £696,420.

This tender presents a meaningful opportunity for businesses specialising in building services, particularly those with expertise in building management systems. Small and medium-sized enterprises (SMEs) were considered suitable for this procurement, indicating opportunities for such entities to enhance their portfolios and expand their market reach. Companies capable of adhering to the specific requirements of a restricted procedure could benefit greatly from participating in tenders of this nature, thus fostering growth within competitive frameworks in the public sector.

## Notice

20 Air Street BMS Replacement Works

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Contracts Finder |
| Latest notice | https://www.contractsfinder.service.gov.uk/Notice/3d8bc5d1-b90e-4b55-a4ed-889ccaa99af0 |
| Notice type | Award Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Selective |
| Procurement method details | Restricted procedure (above threshold) |
| Tender suitability | SME |
| Awardee scale | SME |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 16 Jan 2026 |
| Submission deadline | 28 May 2024 |
| Future notice date | Not specified |
| Award date | 29 May 2024 |
| Contract period | 1 Jul 2024 - 6 Dec 2024 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £696,420 |
| Lots value | Not specified |
| Awards value | £696,420 |
| 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 | THE CROWN ESTATE |
| Locality | LONDON |
| Post town | South West London |
| Postcode | SW1Y 4AH |
| 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 | St James's |
| Westminster constituency | Cities of London and Westminster |
| Delivery location | Not specified |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | ALL BMS SYSTEMS |

## CPV Codes

### Divisions

- 71 - Architectural, construction, engineering and inspection services

### Codes

- 71315000 - Building services

## Release History

- 16 Jan 2026 at 10:41 - AwardUpdate - Award Notice - https://www.contractsfinder.service.gov.uk/Notice/3d8bc5d1-b90e-4b55-a4ed-889ccaa99af0
- 4 Jul 2025 at 08:55 - Award - Award Notice - https://www.contractsfinder.service.gov.uk/Notice/3d8bc5d1-b90e-4b55-a4ed-889ccaa99af0

## Documents

- https://www.contractsfinder.service.gov.uk/Notice/3d8bc5d1-b90e-4b55-a4ed-889ccaa99af0
  16th January 2026 - Awarded contract notice on Contracts Finder

## 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-b5fd17-5289265b-61e3-49bc-87d3-c21823dc1020. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-b5fd17-5289265b-61e3-49bc-87d3-c21823dc1020.json.