Insulation and retrofit tenders in South West England
Open for bids now
- Roof Replacement and Solar PV Installation - Sleight's House Westonbirt ArboretumForestry Commission · Bids due 13 Nov 2026 · £90,000
Links go to the notice on Find a Tender or Contracts Finder. The tender documents are on the buyer's own site.
Likely re-tenders in the next 12 months
| Buyer | Contract | Ends (estimate) | Value |
|---|---|---|---|
| Somerset NHS Foundation Trust | CAPRO100 Solar PV Installation - South Petherton & Frome | 11 Dec 2026 | £679,859 |
| Sedgemoor District Council | Retrofit improvements | 6 Mar 2027 | £11,500,000 |
| Alliance Homes (Ventures) Ltd | Edge protection to existing photovoltaic panel arrays to prevent pigeon access (448-AHV) | 31 Mar 2027 | £887,203 |
| Historic England | National Retrofit Hub sponsorship | 31 Mar 2027 | £10,000 |
| Somerset Council | Solar PV installs | 31 Mar 2027 | £205,000 |
| Somerset Council | Solar Panel installation | 31 Mar 2027 | £205,000 |
| Somerset Council | Air Source Heat Pump installation | 31 Mar 2027 | £205,000 |
| Somerset Council | Air Source Heat Pump installs | 31 Mar 2027 | £205,000 |
End dates are the initial term in the award notice. Contracts are often extended or brought forward, so a re-tender can come earlier or later. Bid Radar tracks them for 24 months.
Typical contract values and lengths
| Measure | Figure | Based on |
|---|---|---|
| Contracts awarded | 30 | award notices, May 2021 to June 2026; 30 contracts |
| Buyers | 21 | distinct buyers on those contracts; 30 contracts |
| Median contract value | £450,000 | median of published values (whole contract, all years); 28 contracts |
| Lower quartile value | £100,000 | 25th percentile of published values; 28 contracts |
| Upper quartile value | £1.2 million | 75th percentile of published values; 28 contracts |
| Median initial term in months | 11 | months from award to the end date in the notice, before extensions; 24 contracts |
| Lower quartile term in months | 4 | 25th percentile; 24 contracts |
| Upper quartile term in months | 36 | 75th percentile; 24 contracts |
Values are the whole contract as published, often over several years. Lengths run from the award date to the end date in the notice.
Main buyers
- Somerset Council 4 contracts, latest 20 Apr 2026
- Cheltenham Borough Council 2 contracts, latest 11 Jun 2026
- Plymouth Community Homes 2 contracts, latest 11 Mar 2026
- HOMES IN SOMERSET LIMITED 2 contracts, latest 26 Jan 2026
- UK Research & Innovation (UKRI) 2 contracts, latest 20 Jan 2026
Linked buyers have their own page with values, marking, live tenders and a retender calendar. All buyers.
What these tenders usually ask for
- Quality carried a median of 55% of the marks (8 contracts that published a weighting). See how tenders are scored.
- A median of 5.5 bids per contract (16 contracts that published a bid count).
- 13% were set up as frameworks or dynamic purchasing systems, so some work comes as call-offs you only see once you are on one.
- We don't yet hold enough public tender packs for this trade to say how many questions they ask. The Bid Matcher reads each live tender's documents where they are public.
More tenders
Insulation and retrofit elsewhere: East Midlands, North West England, South East England, West Midlands.
Other trades in South West England: electrical and EICR testing, fire safety, gas and heating, groundworks, home care, mechanical and electrical, refurbishment, roofing, windows and doors.
Figures are automated summaries of published notices, not advice. Contract end dates come from award notices and are often extended or brought forward, so re-tender dates are estimates. Check the tender documents before deciding to bid. Contains public sector information licensed under the Open Government Licence v3.0. Built from 30 award notices between 17 May 2021 and 11 Jun 2026 and the live tenders in our index on 24 Oct 2026. See how these pages are built.