Mechanical and electrical tenders in Wales
Open for bids now
- SU172(26) Energy Centre and Union House District Heat Network Connection Works Swansea University · Bids due 30 Oct 2026 · £5,000,000
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 |
|---|---|---|---|
| City & County of Swansea | Contarct for Supply and Install of Positive Input Ventilation for various properties | 2 Nov 2026 | £67,725 |
| Rhondda Cynon Taf CBC | Treorchy Comprehensive School - Block 11 - Boiler Replacement | 6 Nov 2026 | £67,095 |
| Sport Wales | Award Uwchraddio Goleuadau’r Arena (“Y Prosiect”) yng Nghanolfan Genedlaethol Chwaraeon Cymru / Arena Lighting Upgrade (“The Project”) at Sport Wales National Centre | 11 Dec 2026 | £135,323 |
| Rhondda Cynon Taf CBC | Porth Community School Boiler Upgrade | 17 Dec 2026 | £48,561 |
| University of Wales Trinity Saint David | UWTSD2526.243 - Design, Supply & Install Air Source Heat Pumps | 31 Aug 2027 | £900,000 |
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 | 41 | award notices, September 2023 to October 2026; 41 contracts |
| Buyers | 19 | distinct buyers on those contracts; 41 contracts |
| Median contract value | £124,000 | median of published values (whole contract, all years); 38 contracts |
| Lower quartile value | £67,000 | 25th percentile of published values; 38 contracts |
| Upper quartile value | £200,000 | 75th percentile of published values; 38 contracts |
| Median initial term in months | 3 | months from award to the end date in the notice, before extensions; 39 contracts |
| Lower quartile term in months | 1 | 25th percentile; 39 contracts |
| Upper quartile term in months | 6 | 75th percentile; 39 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
- City & County of Swansea 11 contracts, latest 21 Sept 2026
- Rhondda Cynon Taf CBC 9 contracts, latest 22 Sept 2026
- Wrexham County Borough Council 3 contracts, latest 29 Jan 2026
- Swansea University 2 contracts, latest 10 Mar 2026
- Adra (Tai) Cyfyngedig 2 contracts, latest 5 Apr 2024
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 75% of the marks (6 contracts that published a weighting). See how tenders are scored.
- A median of 5 bids per contract (11 contracts that published a bid count).
- 7% 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
Mechanical and electrical elsewhere: East Midlands, East of England, London, North East England, North West England, South East England, South West England, West Midlands, Yorkshire and the Humber.
Other trades in Wales: electrical and EICR testing, groundworks, home care, refurbishment, roofing, supported living.
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 41 award notices between 19 Sept 2023 and 9 Oct 2026 and the live tenders in our index on 24 Oct 2026. See how these pages are built.