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NR12: plumbing, heating and air-conditioning companies in Norwich
NR12 (Norwich) has 10 plumbing, heating and air-conditioning companies registered here (SIC 43220) and 11 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, NR12 had ≈9 nights above 18 °C in 2026 (4 times the 1991–2020 average of 2.2).
NR12
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ALBION PROPERTY SOLUTIONS LIMITED, incorporated 2019, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| ALBION PROPERTY SOLUTIONS LIMITED | 2019 | Active | NR12 |
| CMS INSTALLATIONS NORWICH LTD | 2023 | Active | NR12 |
| CRANBROOK HEATING LIMITED | 2013 | Active | NR12 |
| DIAMOND HEATING LIMITED | 2004 | Active | NR12 |
| HARCO PLUMBING AND HEATING LTD | 2019 | Active | NR12 |
| MERRELLS & ELLIS LIMITED | 2025 | Active | NR12 |
| OJP PLUMBING LIMITED | 2025 | Active | NR12 |
| ROBERT SYMON PLUMBING & BUILDING LTD | 2019 | Active | NR12 |
| RSM HEATING AND PLUMBING LTD | 2023 | Active | NR12 |
| STAYGB SERVICE LTD | 2017 | Active | NR12 |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| A. HOWARD & SON LTD | 43290 · other construction installation | 2021 | Active | NR12 |
| EAST NORFOLK SURFACING AND LANDSCAPING LTD | 43290 · other construction installation | 2021 | Active | NR12 |
| ELECTRICAL SAFETY GROUP LIMITED | 43210 · electrical installation | 1999 | Active | NR12 |
| ERPINGHAM LODGES LIMITED | 43290 · other construction installation | 2017 | Active - Proposal to Strike off | NR12 |
| ETF ELECTRICAL CONTRACTORS LTD | 43210 · electrical installation | 2025 | Active | NR12 |
| GLEN ROGERS ELECTRICAL LTD | 43210 · electrical installation | 2003 | Active - Proposal to Strike off | NR12 |
| GROARKE ELECTRICAL SERVICES LTD | 43210 · electrical installation; 33140 | 2022 | Active | NR12 |
| NORFOLK NEW BUILD CARPENTRY LTD | 43290 · other construction installation | 2022 | Active | NR12 |
| R CROFT ELECTRICAL LTD | 43210 · electrical installation | 2024 | Active | NR12 |
| SMITHS HOME IMPROVEMENTS LTD | 43290 · other construction installation; 43342 | 2013 | Active | NR12 |
| TR ELECTRICAL CONTRACTS LTD | 43210 · electrical installation | 2019 | Active - Proposal to Strike off | NR12 |
What homes around NR12 need
In NR12 last summer (2026) there were ≈9 nights that stayed above 18 °C — 4 times the 1991–2020 average of 2.2 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
10% of sampled postcodes in NR12 sit in a conservation area (on-record, 922 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 NR12, June–August, minimum at or above 18 °C, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points in NR12, snapshot 25 Sep 2026.
Better than a town-wide list: these are the registered offices in NR12, with that district's hot nights and planning rule.