Syston: plumbing, heating and air-conditioning companies
Syston has 6 plumbing, heating and air-conditioning companies (SIC 43220) and 6 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 LE7, summer 2026 had ≈5 nights above 18 °C there (6 times the 1991–2020 average of 0.8).
SIC 43220
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ADVANCE AC & VENTILATION LTD, incorporated 2005, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| ADVANCE AC & VENTILATION LTD | 2005 | Active | LE7 |
| GT PLUMBING & HEATING ENGINEERS LTD | 2015 | Active | LE7 |
| MODE PLUMBING & HEATING LTD | 2021 | Active | LE7 |
| THERMO-FLOOR UK LTD | 2011 | Active | LE7 |
| RENU HEATING LTD | 2023 | Active | LE7 |
| COMREF COOLING LTD | 2015 | Active | LE7 |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| A SIMON ELECTRICAL SERVICES LIMITED | 43210 · electrical installation | 2002 | Active | LE7 |
| LETTS ELECTRICAL SERVICES LIMITED | 43210 · electrical installation | 2009 | Active | LE7 |
| MARK POOLE LIMITED | 43210 · electrical installation | 2006 | Active | LE7 |
| OFFGRID POWER SOLUTIONS LTD | 43210 · electrical installation; 43390 | 2022 | Active | LE7 |
| KINGS ELECTRICAL CONTRACTORS LTD | 43210 · electrical installation | 2021 | Active | LE7 |
| D.F. ELECTRICAL CONTRACTORS LTD | 43210 · electrical installation | 2013 | Active - Proposal to Strike off | LE7 |
Heat and planning around Syston
In Syston last summer (2026) there were ≈5 nights that stayed above 18 °C — 6 times the 1991–2020 average of 0.8 (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.
17% of sampled postcodes in Syston sit in a conservation area (1,240 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.