Diss: plumbing, heating and air-conditioning companies
Diss has 15 plumbing, heating and air-conditioning companies (SIC 43220) and 25 electrical and other installation companies registered here (Companies House, 1 Sep 2026); 0 are MCS-certified for air-to-air yet. If the office is in IP22, summer 2026 had ≈6 nights above 18 °C there (4 times the 1991–2020 average of 1.6).
SIC 43220
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BARKERS PLUMBING & HEATING LIMITED, incorporated 2010, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| BARKERS PLUMBING & HEATING LIMITED | 2010 | Active | IP22 |
| STARTRONICS LIMITED | 2013 | Active | IP22 |
| COUNTRYSIDE SERVICES HEATING LTD | 2022 | Active | IP22 |
| K. G. READ & SON LIMITED | 1984 | Active | IP22 |
| STAR PLUMBING, HEATING & RENEWABLES LTD | 2014 | Active | IP22 |
| TEAM CORNERSTONE LTD | 2014 | Active | IP22 |
| WAVENEY HEATING LTD | 2023 | Active | IP22 |
| BARNARDS HEATING SOLUTIONS LTD | 2019 | Active | IP22 |
| RC-HEATING LTD | 2022 | Active | IP21 |
| OAKLEY AIR CONDITIONING SERVICES LTD | 2022 | Active | IP21 |
| PRECISION PLUMBING (EA) LIMITED | 2017 | Active | IP22 |
| INCENDIUM FIREPLACES LIMITED | 2018 | Active | IP21 |
| RON ELLIS & SONS LIMITED | 2024 | Active | IP22 |
| JJ BOILER SERVICES LIMITED | 2009 | Active | IP21 |
| WATERSON PLUMBING & HEATING LIMITED | 2014 | Active | IP22 |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| ACM BUILDING & MAINTENANCE LTD | 43290 · other construction installation; 41202; 43390 | 2022 | Active | IP22 |
| M.B. ELECTRICAL (LAKENHEATH) LIMITED | 43210 · electrical installation; 70221 | 2002 | Active | IP22 |
| MAPEX ELECTRICAL LTD | 43210 · electrical installation | 2025 | Active | IP22 |
| MARK HALL ELECTRICAL INSTALLATIONS LIMITED | 43210 · electrical installation | 2003 | Active | IP22 |
| ROBERT MITCHELL BUILDERS LIMITED | 43290 · other construction installation; 41201; 41202 | 2020 | Active | IP22 |
| WAVENEY VALLEY TILING LTD | 43290 · other construction installation; 43330 | 2019 | Active | IP22 |
| BEAIRD ELECTRICAL ENGINEERING LTD | 43210 · electrical installation | 2023 | Active | IP22 |
| DISS ELECTRICAL SOLUTIONS LTD | 43210 · electrical installation | 2016 | Active | IP22 |
| MM BRICKWORK LTD | 43290 · other construction installation | 2021 | Active | IP22 |
| IN-FAR-STRUCTURE LTD | 43290 · other construction installation | 2016 | Active | IP22 |
| RAMSAY HOLMES DOORS LTD | 43290 · other construction installation; 99999 | 2021 | Active | IP22 |
| CHAPEL DOORS LIMITED | 43290 · other construction installation | 2003 | Active | IP22 |
| TCP INSTALLATIONS LIMITED | 43290 · other construction installation | 2020 | Active | IP22 |
| UK FIRE & SAFETY LIMITED | 43210 · electrical installation | 2008 | Active | IP22 |
| BERNARD TATUM & SON LTD | 43210 · electrical installation | 2014 | Active | IP22 |
| BRECKLAND SUSPENDED CEILINGS LIMITED | 43290 · other construction installation | 2001 | Active | IP22 |
| PRO AV SUPPLY LTD | 43210 · electrical installation; 47430; 62090 | 2026 | Active | IP22 |
| POSITIVE EARTH LIMITED | 43210 · electrical installation | 2009 | Active | IP22 |
| GROUND SOLAR LTD | 43210 · electrical installation; 35110 | 2022 | Active | IP21 |
| STANTON & STUBBS LTD | 43210 · electrical installation | 2013 | Active | IP21 |
| STYNE ELECTRICAL LIMITED | 43290 · other construction installation; 33140 | 2018 | Active | IP22 |
| STYNE NET ZERO LTD | 43210 · electrical installation; 43290 · other construction installation | 2022 | Active | IP22 |
| SIXTY FOUR GROUP LTD | 43290 · other construction installation | 2022 | Active | IP22 |
| ALI-CLAD BY TWN LIMITED | 43290 · other construction installation | 2016 | Active | IP21 |
| TCM MAINTENANCE LTD | 43290 · other construction installation; 43390 | 2020 | Active - Proposal to Strike off | IP22 |
Heat and planning around Diss
In Diss last summer (2026) there were ≈6.7 nights that stayed above 18 °C — 4 times the 1991–2020 average of 1.8 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities). The figure is the household-weighted mean of 2 postcode districts where these offices are registered.
18% of sampled postcodes in Diss sit in a conservation area (1,400 live postcodes across 2 districts).
In England an air-source heat pump on a house can be permitted development under Class G when the conditions hold, including the MCS 020a noise limit of 37.0 dB(A) (§3.2 Step 8).
Companies House snapshot 1 Sep 2026, retrieved 25 Sep 2026. The address shown is the registered office, not a verified operating base. This catalogue is a directory of incorporated businesses, not an exhaustive installer register. Hot nights: ERA5-ARCO, June–August, minimum at or above 18 °C, household-weighted across the districts where these offices are registered, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points, snapshot 25 Sep 2026. Distances are an equirectangular approximation to 0.1 km.
Better than a town directory that only lists names: each plumbing company links to its Companies House record and the local hot-night count.