Norfolk, Norwich: plumbing, heating and air-conditioning companies
Norfolk, Norwich has 5 plumbing, heating and air-conditioning companies (SIC 43220) and 14 electrical and other installation companies registered here (Companies House, 1 Sep 2026); 0 are MCS-certified for air-to-air yet. If the office is in NR19, summer 2026 had ≈8 nights above 18 °C there (5 times the 1991–2020 average of 1.6).
SIC 43220
Open a company
FISHERBULLEN LIMITED, incorporated 1943, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| FISHERBULLEN LIMITED | 1943 | Active | NR8 |
| M SHAW SERVICES LIMITED | 2005 | Active | NR3 |
| KEEPING-IT-HOT LTD | 2008 | Active | NR11 |
| PAUL WALTERS PLUMBING AND HEATING LIMITED | 2004 | Active | NR19 |
| FOREMAN PLUMBING & HEATING LIMITED | 2006 | Active | NR26 |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| AIR CAIR ENGINEERING LIMITED | 43290 · other construction installation | 1996 | Active | NR3 |
| SIMON EDWARDS ELECTRICAL LTD | 43210 · electrical installation | 2005 | Active | NR1 |
| MAJESTIC POOLS LIMITED | 43290 · other construction installation; 47789 | 2002 | Active | NR4 |
| THSOB ELECTRICAL LIMITED | 43210 · electrical installation | 2004 | Active | NR4 |
| PRUCE NEWMAN PIPEWORK LIMITED | 43290 · other construction installation | 1973 | Active | NR18 |
| PAUL SAUNDERS INSTALLATIONS LIMITED | 43290 · other construction installation | 2025 | Active | NR20 |
| ORDEC LTD | 43290 · other construction installation; 43390 | 2024 | Active | NR29 |
| JOHN BOOTY BUILDING SERVICES LIMITED | 43290 · other construction installation; 41100; 43390 | 2003 | Active | NR19 |
| M B WAKEFIELD ELECTRICAL LIMITED | 43210 · electrical installation | 2002 | Active | NR19 |
| CROMER ELECTRICAL LIMITED | 43210 · electrical installation | 1977 | Active | NR27 |
| EMPSON ELECTRICAL LTD | 43210 · electrical installation | 2025 | Active | NR27 |
| TRIDENT MARINE ELECTRICAL LTD | 43210 · electrical installation; 27900; 33140; 71200 | 2020 | Active | NR31 |
| BURE ELECTRICAL CO LTD | 43210 · electrical installation | 2005 | Active | NR31 |
| BRAILEY'S ELECTRICAL LTD | 43210 · electrical installation | 2025 | Active | NR31 |
Heat and planning around Norfolk, Norwich
In Norfolk, Norwich last summer (2026) there were ≈13.1 nights that stayed above 18 °C — 5 times the 1991–2020 average of 2.6 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities). The figure is the household-weighted mean of 12 postcode districts where these offices are registered.
18% of sampled postcodes in Norfolk, Norwich sit in a conservation area (8,378 live postcodes across 12 districts).
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, June–August, minimum at or above 18 °C, household-weighted across the districts where these offices are registered, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points, snapshot 25 Sep 2026. Distances are an equirectangular approximation to 0.1 km.
Better than a town directory that only lists names: each plumbing company links to its Companies House record and the local hot-night count.