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NR3: plumbing, heating and air-conditioning companies in Norwich
NR3 (Norwich) has 30 plumbing, heating and air-conditioning companies registered here (SIC 43220) and 44 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, NR3 had ≈10 nights above 18 °C in 2026 (6 times the 1991–2020 average of 1.8).
NR3
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BW HEATING SERVICES LIMITED, incorporated 2014, status Active.
Plumbing, heating and air-conditioning companies
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| A BENNETT ELECTRICAL (NORFOLK) LTD | 43210 · electrical installation; 33140 | 2025 | Active | NR3 |
| ABBEY ELECTRICAL (EAST ANGLIA) LTD | 43210 · electrical installation | 2014 | Active | NR3 |
| AP COMMUNICATIONS LTD | 43210 · electrical installation | 2023 | Active | NR3 |
| ATLANTIC BATHROOMS & KITCHENS LIMITED | 43290 · other construction installation | 2003 | Active | NR3 |
| BALAMS BRICKWORK LTD | 43290 · other construction installation | 2023 | Active | NR3 |
| BRIGHT LIGHT TECHNOLOGIES LTD | 43290 · other construction installation | 2022 | Active | NR3 |
| BRIGHTSIDE ELECTRICAL NORFOLK LTD | 43210 · electrical installation | 2024 | Active | NR3 |
| CORE ELECTRICAL (NORWICH) LTD | 43210 · electrical installation | 2017 | Active | NR3 |
| DCS ELECTRICAL SOLUTIONS LTD | 43210 · electrical installation | 2019 | Active | NR3 |
| DENNINGTON ELECTRICAL CONTRACTORS LTD | 43210 · electrical installation | 2015 | Active | NR3 |
| DGD POWER SERVICES LIMITED | 43210 · electrical installation | 2023 | Active | NR3 |
| EASTERN ELECTRICAL LTD | 43210 · electrical installation | 2015 | Active | NR3 |
| ELECTRIC INNOVATIONS (NORFOLK) LTD | 43210 · electrical installation | 2023 | Active | NR3 |
| ELITE ELECTRICAL SERVICES (EAST) LIMITED | 43210 · electrical installation | 2014 | Active | NR3 |
| FIRSTLIGHT SOLAR LTD | 43210 · electrical installation | 2026 | Active | NR3 |
| G J KIRK INSTALLATIONS LIMITED | 43290 · other construction installation | 2005 | Active | NR3 |
| GINKGO PRO LTD | 43210 · electrical installation; 41100; 41202; 43320 | 2022 | Active | NR3 |
| GIRLING BRICKWORK LTD | 43290 · other construction installation | 2023 | Active | NR3 |
| GRACEFIELD PROJECT MANAGEMENT LTD | 43290 · other construction installation | 2025 | Active | NR3 |
| GREGORY ELECTRICAL SERVICES LTD | 43210 · electrical installation | 2026 | Active | NR3 |
| HELIO INSTALLATIONS LTD | 43290 · other construction installation | 2025 | Active | NR3 |
| HH SITE SERVICE LTD | 43290 · other construction installation | 2019 | Active | NR3 |
| INVOKE DIGITAL LTD | 43210 · electrical installation; 62090; 63990 | 2017 | Active | NR3 |
| JONATHAN BACON LIMITED | 43290 · other construction installation; 71200 | 2021 | Active | NR3 |
| LIGHTING TECHNOLOGIES (UK) LIMITED | 43210 · electrical installation | 2012 | Active | NR3 |
| LIMITLESS RENOVATIONS NORFOLK LTD | 43290 · other construction installation | 2023 | Active | NR3 |
| LINCOLN POWER SOLUTIONS LTD | 43210 · electrical installation | 2025 | Active | NR3 |
| MATT CROSS CARPENTRY LTD | 43290 · other construction installation | 2023 | Active | NR3 |
| MB (NORFOLK) LTD | 43290 · other construction installation; 49320 | 2025 | Active | NR3 |
| MOVINGO LTD | 43290 · other construction installation; 49420 | 2025 | Active | NR3 |
| NOMAD (NORFOLK) LTD | 43290 · other construction installation; 49320 | 2025 | Active | NR3 |
| NORDWELL LTD | 43210 · electrical installation; 81100 | 2003 | Active | NR3 |
| NORFOLK CORK INSULATION LTD | 43290 · other construction installation | 2026 | Active | NR3 |
| ORANGE FOX ELECTRICAL LIMITED | 43210 · electrical installation | 2008 | Active | NR3 |
| P & K HOME IMPROVEMENTS LTD | 43290 · other construction installation | 2021 | Active | NR3 |
| PATHWAY PROPERTY (EA) LTD | 43290 · other construction installation | 2026 | Active | NR3 |
| R2-INSTALLATIONS LTD | 43210 · electrical installation | 2018 | Active | NR3 |
| RACKHAM SERVICES LTD | 43210 · electrical installation; 61300 | 2020 | Active | NR3 |
| ROLLS AQUISITIONS LIMITED | 43290 · other construction installation; 68100; 68209 | 2026 | Active | NR3 |
| SAMPHIRE ELECTRICAL SERVICES LTD | 43210 · electrical installation | 2026 | Active | NR3 |
| TRIDENT ELECTRICAL SOLUTIONS LTD | 43210 · electrical installation | 2019 | Active | NR3 |
| URBAN LIGHTING LIMITED | 43210 · electrical installation | 2015 | Active | NR3 |
| WHITBREADS ENGINEERING LTD | 43210 · electrical installation | 2016 | Active | NR3 |
| WIRED INNOVATIONS NORFOLK LTD | 43210 · electrical installation | 2025 | Active | NR3 |
What homes around NR3 need
In NR3 last summer (2026) there were ≈10 nights that stayed above 18 °C — 6 times the 1991–2020 average of 1.8 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
37% of sampled postcodes in NR3 sit in a conservation area (on-record, 815 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 NR3, June–August, minimum at or above 18 °C, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points in NR3, snapshot 25 Sep 2026.
Better than a town-wide list: these are the registered offices in NR3, with that district's hot nights and planning rule.