Great Dunham: plumbing, heating and air-conditioning companies
Great Dunham has 1 plumbing, heating and air-conditioning companies (SIC 43220) and 0 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 PE32, summer 2026 had ≈8 nights above 18 °C there (5 times the 1991–2020 average of 1.7).
SIC 43220
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DRAIN SOLUTIONS UK LTD, incorporated 2005, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| DRAIN SOLUTIONS UK LTD | 2005 | Active | PE32 |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| No SIC 43210 or 43290 company in this town | — | — | — | — |
Nearest plumbing companies within 25 km
139 plumbing companies (SIC 43220) have a registered office within 25 km. The nearest 10 are listed.
| Company | Number | District | Distance |
|---|---|---|---|
| EHP HEATING LTD | 10262318 | PE32 | ≈0.6 km |
| AMERWIN LIMITED | 05190627 | PE32 | ≈4.0 km |
| BAR ELECTRICAL & HOME IMPROVEMENTS LIMITED | 17006780 | PE32 | ≈5.1 km |
| REDROC GROUP LTD | 13226087 | PE32 | ≈5.3 km |
| JLM HEATING LTD | 13769931 | PE37 | ≈7.2 km |
| HARRISON HEATING (NORFOLK) LIMITED | 13750428 | PE37 | ≈7.4 km |
| JHC PLUMBING LTD | 16774751 | PE37 | ≈7.4 km |
| DEREK HALES (PLUMBING CONTRACTORS) LIMITED | 01173972 | PE37 | ≈7.9 km |
| P DENNIS LIMITED | 04368292 | PE37 | ≈7.9 km |
| NORFOLK REFRIGERATION CATERING LIMITED | 05652510 | PE37 | ≈7.9 km |
Heat and planning around Great Dunham
In Great Dunham last summer (2026) there were ≈8 nights that stayed above 18 °C — 5 times the 1991–2020 average of 1.7 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities). The figure is the household-weighted mean of 1 postcode districts where these offices are registered.
13% of sampled postcodes in Great Dunham sit in a conservation area (599 live postcodes across 1 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.