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WC1A: plumbing, heating and air-conditioning companies in London
WC1A (London) has 7 plumbing, heating and air-conditioning companies registered here (SIC 43220) and 3 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, WC1A had ≈10 nights above 18 °C in 2026 (5 times the 1991–2020 average of 1.9).
WC1A
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P & R INSTALLATION COMPANY LIMITED, incorporated 1997, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| P & R INSTALLATION COMPANY LIMITED | 1997 | Active | WC1A |
| SPOKEMEAD MAINTENANCE LIMITED | 2004 | Active | WC1A |
| SURESERVE COMPLIANCE CENTRAL LIMITED | 1996 | Active | WC1A |
| SURESERVE COMPLIANCE NORTHWEST LIMITED | 2000 | Active | WC1A |
| SURESERVE COMPLIANCE SOUTH LIMITED | 2004 | Active | WC1A |
| SURESERVE ENERGY SERVICES NORTH LIMITED | 1985 | Active | WC1A |
| SWALE HEATING LIMITED | 1972 | Active | WC1A |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| R. DUNHAM (UK) LIMITED | 43210 · electrical installation | 2002 | Active | WC1A |
| SURESERVE COMPLIANCE ELECTRICAL LIMITED | 43210 · electrical installation | 1984 | Active | WC1A |
| SURESERVE COMPLIANCE ELECTRICAL NORTH LIMITED | 43210 · electrical installation | 2015 | Active | WC1A |
What homes around WC1A need
In WC1A last summer (2026) there were ≈10 nights that stayed above 18 °C — 5 times the 1991–2020 average of 1.9 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
99% of sampled postcodes in WC1A sit in a conservation area (on-record, 147 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 WC1A, June–August, minimum at or above 18 °C, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points in WC1A, snapshot 25 Sep 2026.
Better than a town-wide list: these are the registered offices in WC1A, with that district's hot nights and planning rule.