---
title: "TRIV2025-02 Radon Protection Services"
ocid: "ocds-h6vhtk-05a5b0"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-05a5b0"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-05a5b0.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-05a5b0.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "TRIVALLIS"
published: "2026-03-20"
---

# TRIV2025-02 Radon Protection Services

Buyer: TRIVALLIS  
Current stage: Award  
OCID: ocds-h6vhtk-05a5b0

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## Summary

Trivallis, a public authority in Pontypridd, United Kingdom, has awarded a contract for radon protection services to Mouldex Ltd. This procurement, identified as "TRIV2025-02 Radon Protection Services," falls under the works category and adheres to Welsh devolved regulations. The services will commence on 1 April 2026 and cover properties in Rhondda Cynon Taff and Cardiff Bay. The contract is valued at £240,000, excluding VAT, and may be extended by mutual agreement. The procurement method was an open competition below threshold, initiated through a tender phase concluded by 31 March 2026; questions were addressed via the Etender Wales messaging system.

This contract opens growth opportunities for businesses experienced in radon testing, radiation protection, and environmental risk assessments. Particularly suitable for SMEs operating within construction consultancy, site investigation, or environmental impact assessment fields, it offers a chance to deliver critical services for public safety. Engaging in this procurement can enhance firms' portfolios by expanding their reach within the residential homes construction work sector. The emphasis on both quality and price in the evaluation criteria suggests businesses equipped to meet high standards could secure competitive advantages.

## Notice

Trivallis have appointed an experienced contractor to undertake Radon testing services at various locations across Rhondda Cynon Taff and Cardiff Bay. The services will comprise of a strategy to minimise the risk from exposure to radon and its decay products to employees and persons using Trivallis properties. The successful contractor will undertake the following: Having clear procedures in place for the management of radon in affected buildings. Assisting Trivallis in developing and maintaining records of radon gas levels in Trivallis premises. Assisting Trivallis in maintaining a central database of all records. Providing suitable information and advice to employees and other persons likely to be exposed to levels of radon gas in Trivallis premises. To act as the recognised Radiation Protection Adviser (RPA) on behalf of Trivallis. Ensuring that any remedial measures put in place to reduce the level of radon in a property are monitored and maintained effectively. Reviewing reports and providing necessary actions to manage the risk The testing will be carried out at properties owned by Trivallis, situated in the geographical area of RCT (Rhondda, Cynon and Taff Valleys).The tender will be conducted on Etender Wales, and all clarification questions are to be asked using the messaging system, there.

### Lot Information

Lot 1

Renewal: Possible extensions of 2 years, deployed one year at a time.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/025968-2026 |
| Notice type | UK7 - Contract Details Notice |
| Procurement type | Standard |
| Procurement category | Works |
| Procurement method | Open |
| Procurement method details | Below threshold - open competition |
| Tender suitability | SME |
| Awardee scale | SME |
| All stages | Tender, Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 20 Mar 2026 |
| Submission deadline | 31 Oct 2025 |
| Future notice date | Not specified |
| Award date | 21 Jan 2026 |
| Contract period | 31 Mar 2026 - 31 Mar 2029 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £100,000 |
| Lots value | £100,000 |
| Awards value | Not specified |
| Contracts value | £240,000 |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Complete |
| Awards status | Active |
| Contracts status | Active |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | TRIVALLIS |
| Locality | PONTYPRIDD |
| Post town | Cardiff |
| Postcode | CF37 2SW |
| Country | Wales |
| ITL 1 | TLL Wales |
| ITL 2 | TLL5 South East Wales |
| ITL 3 | TLL51 Central Valleys and Bridgend |
| Local authority | Rhondda Cynon Taf |
| Electoral ward | Pontypridd Town |
| Westminster constituency | Pontypridd |
| Delivery location | TLL Wales |

## Supplier

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

## CPV Codes

### Divisions

- 45 - Construction work
- 71 - Architectural, construction, engineering and inspection services
- 90 - Sewage, refuse, cleaning and environmental services

### Codes

- 45215214 - Residential homes construction work
- 71313410 - Risk or hazard assessment for construction
- 71510000 - Site-investigation services
- 71530000 - Construction consultancy services
- 90711000 - Environmental impact assessment other than for construction

## Release History

- 20 Mar 2026 at 16:40 - Award - UK7 - Contract Details Notice - https://www.find-tender.service.gov.uk/Notice/025968-2026
- 1 Oct 2025 at 10:35 - Tender - UK4 - Tender Notice - https://www.find-tender.service.gov.uk/Notice/061238-2025

## Documents

- https://www.find-tender.service.gov.uk/Notice/025968-2026
  20th March 2026 - Contract details notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/061238-2025
  1st October 2025 - Tender notice on Find a Tender
- https://www.sell2wales.gov.wales/Assets/NoticeBuilder_FileDownload.aspx?id=347558
  Annex1
- https://www.sell2wales.gov.wales/Assets/NoticeBuilder_FileDownload.aspx?id=347559
  Annex2
- https://www.sell2wales.gov.wales/Assets/NoticeBuilder_FileDownload.aspx?id=347560
  Annex3
- https://www.sell2wales.gov.wales/Assets/NoticeBuilder_FileDownload.aspx?id=347561
  Annex4
- https://www.sell2wales.gov.wales/Assets/NoticeBuilder_FileDownload.aspx?id=347562
  Annex5
- https://www.sell2wales.gov.wales/Assets/NoticeBuilder_FileDownload.aspx?id=347563
  Annex6
- https://www.sell2wales.gov.wales/Assets/NoticeBuilder_FileDownload.aspx?id=347564
  Annex7
- https://www.sell2wales.gov.wales/Assets/NoticeBuilder_FileDownload.aspx?id=347565
  Annex8
- https://www.sell2wales.gov.wales/Assets/NoticeBuilder_FileDownload.aspx?id=347566
  Annex9
- https://www.sell2wales.gov.wales/Assets/NoticeBuilder_FileDownload.aspx?id=347567
  Annex10
- https://www.sell2wales.gov.wales/Assets/NoticeBuilder_FileDownload.aspx?id=347568
  Annex11
- https://www.sell2wales.gov.wales/Assets/NoticeBuilder_FileDownload.aspx?id=347569
  Annex12

## Notice URLs

- http://www.trivallis.co.uk
- https://etenderwales.bravosolution.co.uk
- https://www.legislation.gov.uk/ukpga/2023/54/contents

## 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-h6vhtk-05a5b0. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-05a5b0.json.