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NR5: plumbing, heating and air-conditioning companies in Norwich
NR5 (Norwich) has 8 plumbing, heating and air-conditioning companies registered here (SIC 43220) and 26 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, NR5 had ≈10 nights above 18 °C in 2026 (6 times the 1991–2020 average of 1.8).
NR5
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ALLSTAR SYSTEMS (NORWICH) LTD, incorporated 2017, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| ALLSTAR SYSTEMS (NORWICH) LTD | 2017 | Active | NR5 |
| BEN S VINCENT LIMITED | 2017 | Active | NR5 |
| GAS, PLUMBING & ELECTRICAL ENGINEERING LIMITED | 2016 | Active | NR5 |
| GG HEATING LTD | 2025 | Active | NR5 |
| HEATFORCE HEATING AND PLUMBING LTD | 2026 | Active | NR5 |
| J J SERVICES LTD | 2016 | Active | NR5 |
| NORWICH PLUMBING & HEATING LTD | 2024 | Active | NR5 |
| PREMIER RESPONSE GROUP LIMITED | 2017 | Active | NR5 |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| BELLA KASA LIMITED | 43290 · other construction installation; 41202; 43310; 43341 | 2019 | Active - Proposal to Strike off | NR5 |
| BLUE SKY HOME IMPROVEMENTS LTD | 43290 · other construction installation; 41202; 43342; 43910 | 2026 | Active | NR5 |
| BRIAN DURRANT & SON LIMITED | 43290 · other construction installation; 43320; 43330 | 2003 | Active | NR5 |
| D.A.D.ELECTRICAL LIMITED | 43210 · electrical installation | 1981 | Active | NR5 |
| D.CARTER ELECTRICAL LTD | 43210 · electrical installation | 2025 | Active | NR5 |
| DAJ BAKER ELECTRICAL LIMITED | 43210 · electrical installation | 2013 | Active | NR5 |
| DONOVAN CONSTRUCTION & ENGINEERING LIMITED | 43210 · electrical installation; 41100; 42910; 43999 | 2015 | Active | NR5 |
| DS INDUSTRIAL LTD | 43290 · other construction installation | 2019 | Active | NR5 |
| ELECTRA-BUILD LIMITED | 43210 · electrical installation | 2026 | Active | NR5 |
| GM BARRETT LIMITED | 43210 · electrical installation | 2006 | Active | NR5 |
| GREENSCAPE INSTALLATION LIMITED | 43210 · electrical installation | 2024 | Active - Proposal to Strike off | NR5 |
| HOWELL ELECTRICAL SOLUTIONS LTD | 43210 · electrical installation; 71121; 71122; 72190 | 2025 | Active | NR5 |
| HOWLETT GARAGE DOORS LIMITED | 43290 · other construction installation | 2015 | Active | NR5 |
| ITFP FIBRE LTD | 43290 · other construction installation | 2023 | Active | NR5 |
| JAMES MURPHY ELECTRICAL SERVICES LTD | 43210 · electrical installation | 2023 | Active | NR5 |
| JAXX TRADING LTD | 43210 · electrical installation | 2004 | Active | NR5 |
| JEWELL GROUP LIMITED | 43210 · electrical installation; 64209; 68209 | 2025 | Active | NR5 |
| MDG ELECTRICAL SERVICES LTD | 43210 · electrical installation | 2025 | Active | NR5 |
| MGS ELECTRICAL LTD | 43210 · electrical installation | 2018 | Active | NR5 |
| NORFOLK DATA CABLING LIMITED | 43210 · electrical installation | 2025 | Active | NR5 |
| NORSPARK LTD | 43210 · electrical installation | 2023 | Active | NR5 |
| RED ELEMENT DESIGN LIMITED | 43210 · electrical installation; 47910; 59112; 74100 | 2026 | Active | NR5 |
| RT ELECTRICAL LTD | 43210 · electrical installation | 2016 | Active | NR5 |
| SOLAR ECLIPSE INSTALLATIONS LIMITED | 43290 · other construction installation | 2012 | Active | NR5 |
| TRIPLE A ELECTRICAL LIMITED | 43210 · electrical installation | 2022 | Active | NR5 |
| YELLACO LTD | 43290 · other construction installation | 2023 | Active | NR5 |
What homes around NR5 need
In NR5 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).
0% of sampled postcodes in NR5 sit in a conservation area (on-record, 635 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 NR5, June–August, minimum at or above 18 °C, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points in NR5, snapshot 25 Sep 2026.
Better than a town-wide list: these are the registered offices in NR5, with that district's hot nights and planning rule.