Source: https://tendernation.io/opportunities/01a13bd1-1528-7017-864b-8d378b62374d/00350-ast-whole-house-retrofit-installation-works-2026-2030 awarded GB open procedure Suitable for SMEs # 00350-AST Whole House Retrofit Installation Works 2026-2030 [Stonewater Limited](https://tendernation.io/buyers/stonewater-limited) Estimated value Not stated Published 24 Jun 2026 Deadline Closed 2 Feb 2026 ## Who can bid - Buyer says suitable for SMEs The buyer ticked “suitable for SMEs” on the notice. Anyone can still bid. - Split into 4 lots You can usually bid for just the lots you can deliver. - Open procedure Anyone can submit a full tender; there is no shortlisting stage. [More contracts for small businesses and VCSEs](https://tendernation.io/opportunities/for-small-businesses) ## About this tender Stonewater would like to appoint suitable contractors to deliver it's 2026-2030 retrofit programme. Our programme is informed by the Net Zero Investment Plan and includes the delivery of retrofit works across multiple funding streams. Works must be carried out in compliance with PAS2035 and PAS2030. The measures to be installed will include but not be limited to: - Insulation - Windows and doors - Heating systems - Solar PV - Ventilation Works will be delivered nationally but split into 4 regional lots. Contractors will be expected to deliver whole house retrofit and at least one element must involve self-delivery. The estimated contract value of £62.2m (incl VAT) is across all lots. Please see lot information to see how each lot is split value wise over the duration of the first 4 years. ## CPV classification Refurbishment work Source Find a Tender (UK) · Notice ocds-h6vhtk-05f8eb-2026-06-24T15:19:40+01:00 [View official notice](https://www.find-tender.service.gov.uk/Notice/ocds-h6vhtk-05f8eb-2026-06-24T15:19:40+01:00) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. [Track tenders free](https://tendernation.io/register) [Buyer profile Stonewater Limited: past awards and live tenders](https://tendernation.io/buyers/stonewater-limited) [Sector More Construction work tenders](https://tendernation.io/sectors/construction-work) ## More tenders like this [Building Repairs & Maintenance Lot 1 Electrical Lot 2 Mechanical · Derbyshire Dales District Council · 40 days left · 29 Nov 2026](https://tendernation.io/opportunities/01a15934-2662-73b5-8d63-abd6e1946ccd/building-repairs-maintenance-lot-1-electrical-lot-2-mechanical) [CA18585 - ITT Repair and replacement works to whole site drainage system · Diocese of Norwich Education and Academies Trust · 39 days left · 27 Nov 2026](https://tendernation.io/opportunities/01a1594a-591e-7334-8085-35e92dcd67f8/ca18585-itt-repair-and-replacement-works-to-whole-site-drainage-system) [Bannister Sports Centre Athletic Track Soft Market Testing Exercise · Harrow Council · 37 days left · 26 Nov 2026](https://tendernation.io/opportunities/01a1540d-d9e4-71cb-ad57-1603e9042fec/bannister-sports-centre-athletic-track-soft-market-testing-exercise) [Sgwd cllun gwyn uchaf viewing point · Natural Resources Wales · 30 days left · 19 Nov 2026](https://tendernation.io/opportunities/01a1592e-e9f5-735d-8cc4-bf000883d825/sgwd-cllun-gwyn-uchaf-viewing-point) [Supply Chain Notice: WC1948344 - CIDP26 Islandwide Demolitions, Dhekelia & Episkopi (CYPRUS) · Ministry of Defence · 3 days left · 22 Oct 2026](https://tendernation.io/opportunities/01a1594a-5cd1-73f3-acca-9f779100e58d/supply-chain-notice-wc1948344-cidp26-islandwide-demolitions-dhekelia-episk) [Floor-covering work – Universität Leipzig, Leuschnerplatz, Global Hub, Forschungsneubau · Staatsbetrieb Sächsisches Immobilien- und Baumanagement, Zentrale, Zentralstelle Vergabe- und Vertragsmanagement · 2 days left · 22 Oct 2026](https://tendernation.io/opportunities/01a156a9-acfc-73ee-baab-9e699f88521a/germany-floor-covering-work-universitat-leipzig-leuschnerplatz-global-hub)