Sizewell: plumbing, heating and air-conditioning companies
Sizewell has 1 plumbing, heating and air-conditioning companies (SIC 43220) and 0 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 IP16, summer 2026 had ≈15 nights above 18 °C there (4 times the 1991–2020 average of 3.6).
SIC 43220
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SYDERSTONE PLUMBING & HEATING LTD, incorporated 2016, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| SYDERSTONE PLUMBING & HEATING LTD | 2016 | Active | IP16 |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| No SIC 43210 or 43290 company in this town | — | — | — | — |
Nearest plumbing companies within 25 km
54 plumbing companies (SIC 43220) have a registered office within 25 km. The nearest 10 are listed.
| Company | Number | District | Distance |
|---|---|---|---|
| SPC PLUMBING & HEATING (SUFFOLK) LTD | 14816664 | IP16 | under 0.1 km |
| A KNIGHTS PLUMBING LTD | 15399744 | IP16 | ≈2.4 km |
| PJM PLUMBING LTD | 10173739 | IP16 | ≈3.0 km |
| WKS MAINTENANCE LTD | 11491399 | IP16 | ≈3.9 km |
| FUTURE BUILD EAST LIMITED | 12236740 | IP17 | ≈8.6 km |
| BAGSVAERD LTD | 11563259 | IP17 | ≈8.7 km |
| THE STOVE & FLUE COMPANY LTD | 14867980 | IP17 | ≈9.5 km |
| SCOTT BAXTER PLUMBING & HEATING LIMITED | 04965747 | IP19 | ≈13.9 km |
| MARCUS KNIGHT INTERIORS LIMITED | 05512377 | IP18 | ≈14.3 km |
| D & M DRIVER (SUFFOLK) LTD | 11013621 | IP17 | ≈14.8 km |
Heat and planning around Sizewell
In Sizewell last summer (2026) there were ≈15 nights that stayed above 18 °C — 4 times the 1991–2020 average of 3.6 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities). The figure is the household-weighted mean of 1 postcode districts where these offices are registered.
14% of sampled postcodes in Sizewell sit in a conservation area (321 live postcodes across 1 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.