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B4: plumbing, heating and air-conditioning companies in Birmingham
B4 (Birmingham) has 0 plumbing, heating and air-conditioning companies registered here (SIC 43220) and 4 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, B4 had ≈6 nights above 18 °C in 2026 (7 times the 1991–2020 average of 0.8).
B4
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0 plumbing companies in this district. B4 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 |
|---|---|---|---|---|
| ASHWORTH PROJECTS INC LTD | 43290 · other construction installation; 69202; 70229 | 2026 | Active | B4 |
| EMR SERVICES LTD | 43290 · other construction installation | 2025 | Active - Proposal to Strike off | B4 |
| MTG CONSTRUCTION LTD | 43290 · other construction installation | 2025 | Active | B4 |
| UNITE KITCHENS AND BATHROOMS LTD | 43290 · other construction installation | 2024 | Active | B4 |
What homes around B4 need
In B4 last summer (2026) there were ≈6 nights that stayed above 18 °C — 7 times the 1991–2020 average of 0.8 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
20% of sampled postcodes in B4 sit in a conservation area (on-record, 202 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 B4, June–August, minimum at or above 18 °C, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points in B4, snapshot 25 Sep 2026.
Better than a town-wide list: these are the registered offices in B4, with that district's hot nights and planning rule.