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NR11: plumbing, heating and air-conditioning companies in Norwich
NR11 (Norwich) has 10 plumbing, heating and air-conditioning companies registered here (SIC 43220) and 15 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, NR11 had ≈10 nights above 18 °C in 2026 (6 times the 1991–2020 average of 1.8).
NR11
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A W PLUMBING AND HEATING NORFOLK LTD, incorporated 2020, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| A W PLUMBING AND HEATING NORFOLK LTD | 2020 | Active | NR11 |
| BMP PLUMBING AND BATHROOM SPECIALIST LTD | 2023 | Active | NR11 |
| CDG PLUMBING & HEATING LIMITED | 2003 | Active | NR11 |
| DIXEL SERVICES LIMITED | 2008 | Active | NR11 |
| HB STOVES LTD | 2019 | Active | NR11 |
| JH PLUMBING AND HEATING (NORFOLK) LIMITED | 2008 | Active | NR11 |
| PAUL JOHNSON PLUMBING AND HEATING LIMITED | 2021 | Active | NR11 |
| PRECISE INSTALLATIONS LIMITED | 2019 | Active | NR11 |
| SMH PLUMBING LIMITED | 2014 | Active | NR11 |
| TWH SERVICES (NORFOLK) LIMITED | 2025 | Active | NR11 |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| ASHTREE ELECTRICAL & SECURITY LIMITED | 43210 · electrical installation | 2012 | Active | NR11 |
| CAKES LIGHTING LTD | 43210 · electrical installation | 2022 | Active | NR11 |
| COOKS ELECTRICAL SERVICES LIMITED | 43210 · electrical installation | 2003 | Active | NR11 |
| DMD ELECTRICAL SERVICES LTD | 43210 · electrical installation | 2014 | Active | NR11 |
| ECE ELECTRICAL LIMITED | 43210 · electrical installation | 2006 | Active | NR11 |
| EXTREME LABOURERS LIMITED | 43290 · other construction installation; 41100; 43390 | 2023 | Active | NR11 |
| KC ELECTRICAL SERVICES NORTH NORFOLK LTD | 43210 · electrical installation | 2023 | Active | NR11 |
| KITCHENS BEDROOMS CARPENTRY INSTALLATIONS LIMITED | 43290 · other construction installation | 2019 | Active | NR11 |
| M.G. ELECTRICAL (NORFOLK) LTD | 43210 · electrical installation | 2018 | Active | NR11 |
| MB ELECTRICAL (U.K.) LIMITED | 43210 · electrical installation | 2018 | Active | NR11 |
| MP SPARKS ELECTRICAL SERVICES LTD | 43210 · electrical installation | 2021 | Active | NR11 |
| NORFOLK LUXURY BATHROOMS LTD | 43290 · other construction installation | 2025 | Active | NR11 |
| SATURN AUDIO VISUAL LIMITED | 43210 · electrical installation | 2009 | Active | NR11 |
| TRIDENT FIRE LTD | 43210 · electrical installation | 2020 | Active | NR11 |
| WALD COLLECTIVE LTD | 43290 · other construction installation; 43320 | 2024 | Active | NR11 |
What homes around NR11 need
In NR11 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).
29% of sampled postcodes in NR11 sit in a conservation area (on-record, 773 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 NR11, June–August, minimum at or above 18 °C, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points in NR11, snapshot 25 Sep 2026.
Better than a town-wide list: these are the registered offices in NR11, with that district's hot nights and planning rule.