---
title: "Ventilation installation and maintenance (mechanical, positive & heat recovery) and associated services"
ocid: "ocds-b5fd17-7f23050f-8092-4064-9d2e-d7dc302d8ade"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-b5fd17-7f23050f-8092-4064-9d2e-d7dc302d8ade"
markdown_url: "https://d3tenders.com/contract/ocds-b5fd17-7f23050f-8092-4064-9d2e-d7dc302d8ade.md"
json_url: "https://d3tenders.com/contract/ocds-b5fd17-7f23050f-8092-4064-9d2e-d7dc302d8ade.json"
source: "Contracts Finder"
current_stage: "Award"
buyer: "THIRTEEN HOUSING GROUP LIMITED"
published: "2026-01-06"
---

# Ventilation installation and maintenance (mechanical, positive & heat recovery) and associated services

Buyer: THIRTEEN HOUSING GROUP LIMITED  
Current stage: Award  
OCID: ocds-b5fd17-7f23050f-8092-4064-9d2e-d7dc302d8ade

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## Summary

The ventilation installation and maintenance contract for both mechanical and positive heat recovery systems has been awarded by Thirteen Housing Group Limited, headquartered in Middlesbrough, England. The contract is classified under the ventilation equipment industry category, with an award value of £2,668,600. The procurement method followed a selective process via a call-off from a framework agreement. The contract period commenced on 6th January 2026 and will run until 5th January 2031. The procurement process has reached the award stage, with the award having been made to EnviroVent Limited, a large supplier located in Harrogate. Key elements of the project include designing low-energy systems to improve indoor air quality, which address issues like condensation and mould and promote energy-efficient living environments across the United Kingdom.

This tender offers significant business growth opportunities for companies specialising in sustainable, energy-efficient solutions and those with expertise in ventilation systems. Suppliers that can deliver comprehensive installation and maintenance services for ventilation equipment will particularly benefit. Although this specific contract has been awarded, similar future opportunities may arise for firms looking to partner with entities like Thirteen Housing Group Limited, which seeks to enhance residential living conditions through environmental innovations. Medium to large businesses with a focus on innovative technologies and sustainable development in the housing sector would be well-suited to compete in this and similar procurement processes.

## Notice

EnviroVent Limited designs, manufactures, and installs low-energy, sustainable ventilation systems (like extractor fans, Positive Input Ventilation (PIV), and Heat Recovery) to improve indoor air quality and eliminate condensation and mold problems in homes and buildings. They offer whole-house solutions, specialized extractor fans, and expert services for homeowners, landlords, and builders, focusing on energy efficiency and creating healthier living environments.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Contracts Finder |
| Latest notice | https://www.contractsfinder.service.gov.uk/Notice/8520ffd4-38e0-4a97-aeb8-f8cf069cb9e4 |
| Notice type | Award Notice |
| Procurement type | Framework |
| Procurement category | Works |
| Procurement method | Selective |
| Procurement method details | Call-off from a framework agreement |
| Tender suitability | Not specified |
| Awardee scale | Large |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 6 Jan 2026 |
| Submission deadline | 28 Mar 2025 |
| Future notice date | Not specified |
| Award date | 2 Jan 2026 |
| Contract period | 6 Jan 2026 - 5 Jan 2031 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £3,202,320 |
| Lots value | Not specified |
| Awards value | £2,668,600 |
| 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 | THIRTEEN HOUSING GROUP LIMITED |
| Locality | MIDDLESBROUGH |
| Post town | Cleveland |
| Postcode | TS2 1QG |
| Country | England |
| ITL 1 | TLC North East (England) |
| ITL 2 | TLC3 Tees Valley |
| ITL 3 | TLC32 South Teesside |
| Local authority | Middlesbrough |
| Electoral ward | Central |
| Westminster constituency | Middlesbrough and Thornaby East |
| Delivery location | TLC North East (England), TLD North West (England), TLF East Midlands (England), TLG West Midlands (England), TLH East (England), TLJ South East (England), TLK South West (England) |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | ENVIROVENT |

## CPV Codes

### Divisions

- 42 - Industrial machinery

### Codes

- 42520000 - Ventilation equipment

## Release History

- 6 Jan 2026 at 14:47 - Award - Award Notice - https://www.contractsfinder.service.gov.uk/Notice/8520ffd4-38e0-4a97-aeb8-f8cf069cb9e4

## Documents

- https://www.contractsfinder.service.gov.uk/Notice/8520ffd4-38e0-4a97-aeb8-f8cf069cb9e4
  6th 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-b5fd17-7f23050f-8092-4064-9d2e-d7dc302d8ade. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-b5fd17-7f23050f-8092-4064-9d2e-d7dc302d8ade.json.