This tender has closed. See similar live opportunities below.

Preliminary Market Engagement for Thermal Improvement Works

Trivallis

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Key dates and value

Status: Closed
Submission deadline: 24 Apr 2026
Published: 10 Apr 2026
Estimated value: £30m
Location: S, Wales

Overview

Trivallis will be undertaking Preliminary Market Engagement (PME) for forthcoming Thermal Improvement and Whole-House Retrofit Works. The PME event will take place on 6 May 2026, from 1:00pm to 4:00pm, at: The Muni Arts Centre, Gelliwastad Road, Pontypridd, CF37 2DP. Attendance is limited to two representatives per company. Suppliers must already hold PAS 2030 accreditation, or be on track to complete accreditation (or an industry recognised equivalent) by 30 June 2026. To confirm attendance, please email procurement@trivallis.co.uk by 12:00pm on Friday 24 April 2026, including the names and email addresses of all attendees. Please note that entry will not be permitted without advance confirmation. During the session, Trivallis will present information to contractors interested in bidding for future procurement opportunities. A market questionnaire will also be issued to gather feedback to help shape: • The development of our requirements and procurement approach • The design of the procurement procedure, participation conditions and award criteria • Preparation of tender documents and specifications • Identification of capable contractors • Development of contractual terms • Capacity building within the contractor market The deadline for returning the completed questionnaire is 12:00pm on Friday 22 May 2026. The future programme is expected to include a range of whole house retrofit measures, delivered in line with Standard Assessment Procedure (SAP) methodology and PAS 2035 principles. Works may include, but are not limited to, the following: Fabric Improvement Works • Wall insulation (cavity, external and internal) • Loft, roof and roofing thermal improvements • Draught proofing and other SAP eligible fabric upgrades • External dash/render Low Carbon and Energy Efficiency Installations • Air Source Heat Pumps (ASHPs) • Hot water system efficiency improvements (cylinders, pipework, controls) • Solar PV (including removal and reinstatement) and battery storage Vent

CPV codes

45321000 Thermal insulation work
45261410 Roof insulation work
45320000 Insulation work
44112400 Roof
44221200 Doors
45421130 Installation of doors and windows
45421100 Installation of doors and windows and related components

About the buyer

Trivallis has published 6 tender notices since 7 Oct 2023, with a combined advertised value of £93m. 1 of them are currently open.

How to apply

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Source: Sell2Wales. Contains public sector information licensed under the Open Government Licence v3.0. Details may change; always check the original notice before bidding.

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Overview