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SM5: plumbing, heating and air-conditioning companies in London
SM5 (London) has 0 plumbing, heating and air-conditioning companies registered here (SIC 43220) and 1 electrical and other installation companies (Companies House, 1 Sep 2026); 0 are MCS-certified for air-to-air yet. If the summer is the question, SM5 had ≈9 nights above 18 °C in 2026 (5 times the 1991–2020 average of 1.8).
SM5
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0 plumbing companies in this district. SM5 district
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| No SIC 43220 company in this district | — | — | — |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| AMZ BUILDING SERVICES LIMITED | 43290 · other construction installation; 43310; 43330; 43390 | 2016 | Active | SM5 |
What homes around SM5 need
In SM5 last summer (2026) there were ≈9 nights that stayed above 18 °C — 5 times the 1991–2020 average of 1.8 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
8% of sampled postcodes in SM5 sit in a conservation area (on-record, 707 live postcodes).
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 for SM5, June–August, minimum at or above 18 °C, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points in SM5, snapshot 25 Sep 2026.
Better than a town-wide list: these are the registered offices in SM5, with that district's hot nights and planning rule.