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RG4: plumbing, heating and air-conditioning companies in Reading
RG4 (Reading) has 26 plumbing, heating and air-conditioning companies registered here (SIC 43220) and 20 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, RG4 had ≈9 nights above 18 °C in 2026 (8 times the 1991–2020 average of 1.2).
RG4
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ANGUSPLUMBING LTD, incorporated 2022, status Active.
Plumbing, heating and air-conditioning companies
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| AHL ELECTRICAL LTD | 43210 · electrical installation | 2007 | Active | RG4 |
| ALEX IGOV SERVICES LTD | 43210 · electrical installation; 43390; 81210; 88990 | 2019 | Active | RG4 |
| D'MELO DESIGN & BUILD LTD | 43290 · other construction installation | 2026 | Active | RG4 |
| DIGITAL AERIALS & SATELLITES LTD | 43210 · electrical installation | 2002 | Active - Proposal to Strike off | RG4 |
| EMMER GREEN WINDOWS AND DOORS LTD | 43290 · other construction installation | 2025 | Active | RG4 |
| GIS RAIL LIMITED | 43210 · electrical installation | 2015 | Active - Proposal to Strike off | RG4 |
| GREEN NRG SOLUTIONS LIMITED | 43210 · electrical installation | 2023 | Active | RG4 |
| HB INSTALLATIONS LIMITED | 43290 · other construction installation | 2016 | Active | RG4 |
| HILL WELDING SERVICES LTD | 43290 · other construction installation | 2017 | Active - Proposal to Strike off | RG4 |
| JRM PROPERTY LIMITED | 43290 · other construction installation | 2016 | Active | RG4 |
| MEGELLIE LTD | 43210 · electrical installation | 2014 | Active - Proposal to Strike off | RG4 |
| PML SOLUTIONS LIMITED | 43290 · other construction installation | 2006 | Active | RG4 |
| PROSPECT STUDIO LTD | 43210 · electrical installation; 85590; 90030 | 2014 | Active | RG4 |
| RED ELECTRICS LTD | 43210 · electrical installation | 2021 | Active | RG4 |
| RG4 ELECTRICAL LTD | 43210 · electrical installation | 2024 | Active | RG4 |
| SELINA INTERIORS LTD | 43290 · other construction installation | 2016 | Active | RG4 |
| SIGNIA TURN KEY LIMITED | 43290 · other construction installation | 2002 | Active | RG4 |
| SOUTH OXFORDSHIRE CONSTRUCTION LTD | 43290 · other construction installation; 41202 | 2025 | Active | RG4 |
| THAMES VALLEY ENERGY LTD | 43210 · electrical installation | 2026 | Active | RG4 |
| TWS CONSTRUCTION & CARPENTRY LIMITED | 43290 · other construction installation; 43320 | 2016 | Active | RG4 |
What homes around RG4 need
In RG4 last summer (2026) there were ≈9 nights that stayed above 18 °C — 8 times the 1991–2020 average of 1.2 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
2% of sampled postcodes in RG4 sit in a conservation area (on-record, 1,000 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 RG4, June–August, minimum at or above 18 °C, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points in RG4, snapshot 25 Sep 2026.
Better than a town-wide list: these are the registered offices in RG4, with that district's hot nights and planning rule.