Southhampton: plumbing, heating and air-conditioning companies
Southhampton 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 SO15, summer 2026 had ≈8 nights above 18 °C there (7 times the 1991–2020 average of 1.2).
SIC 43220
Open a company
BEST BUILDING & MAINTENANCE LIMITED, incorporated 1996, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| BEST BUILDING & MAINTENANCE LIMITED | 1996 | Active | SO15 |
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
882 plumbing companies (SIC 43220) have a registered office within 25 km. The nearest 10 are listed.
| Company | Number | District | Distance |
|---|---|---|---|
| EMERGENCY PLUMBING AND DRAINAGE LTD | 17070408 | SO15 | ≈0.3 km |
| L D L PLUMBING & HEATING LTD | 13808116 | SO15 | ≈0.3 km |
| LHD VENTILATION LTD | 09241202 | SO15 | ≈0.4 km |
| L A PLUMBING AND HEATING LIMITED | 16528353 | SO15 | ≈0.5 km |
| ATHERLEY PLUMBING & BUILDING LIMITED | 06261670 | SO15 | ≈0.6 km |
| ABLE PLUMBING AND DRAINAGE LIMITED | 16813189 | SO15 | ≈0.6 km |
| PREMISE PROPERTY MAINTENANCE LIMITED | 05980533 | SO15 | ≈0.8 km |
| DBC PLUMBING & HEATING (SOUTHERN) LTD | 10905885 | SO15 | ≈0.8 km |
| HANNAN PLUMBING & HEATING LTD | 11471531 | SO15 | ≈0.8 km |
| BROOKFIELD HEATING LTD | 16892539 | SO15 | ≈0.8 km |
Heat and planning around Southhampton
In Southhampton last summer (2026) there were ≈8 nights that stayed above 18 °C — 7 times the 1991–2020 average of 1.2 (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.
4% of sampled postcodes in Southhampton sit in a conservation area (1,165 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.