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J. L. KNIGHT & SON LTD: plumbing, heating and air-conditioning company in Westbury
J. L. KNIGHT & SON LTD is an active limited company (no. 14507940), incorporated in 2022, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in BA13 (Westbury), and 65 similar companies have a registered office within 10 km. If you need an MCS-certified air-to-air installer, MCS lists 0 installers certified for air-to-air heat pumps yet (checked 25 Sep 2026), so no company here can offer the £2,500 grant route today.
Active
Within 10 km
65 similar companies within 10 km. Westbury
What homes around BA13 need
In BA13 last summer (2026) there were ≈4 nights that stayed above 18 °C — 6 times the 1991–2020 average of 0.6 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
17% of sampled postcodes in BA13 sit in a conservation area (on-record, 642 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).
Hot nights: ERA5-ARCO, June–August, minimum at or above 18 °C, 2026 against the 1991–2020 mean, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points, snapshot 25 Sep 2026. Noise limit from the decision contract, checked 25 Sep 2026.
Nearest similar companies
| Company | Number | District | Distance |
|---|---|---|---|
| H2O PLUMBING & HEATING (SW) LIMITED | 09710340 | BA13 | ≈0.4 km |
| M J AYRTON PLUMBING AND HEATING LIMITED | 08060832 | BA12 | ≈2.4 km |
| C H I SOUTH WEST LTD | 08929316 | BA11 | ≈2.8 km |
| LR PROPERTY SERVICES LTD | 11087885 | BA11 | ≈2.9 km |
| TRINERGY SOLUTIONS LIMITED | 16117918 | BA11 | ≈3.0 km |
| BRULER LIMITED | 09071546 | BA11 | ≈3.1 km |
| ECOSOLV RENEWABLES LTD | 12725056 | BA11 | ≈3.1 km |
| HARRINGTON HEATING SERVICES LIMITED | 15433364 | BA11 | ≈3.6 km |
| HUDSON PROPERTY SERVICES (BATH) LTD | 11276966 | BA11 | ≈3.7 km |
| PURE PLUMBING AND BATHROOMS LIMITED | 12366876 | BA11 | ≈3.7 km |
Company record
| Field | Value |
|---|---|
| Company number | 14507940 |
| Name | J. L. KNIGHT & SON LTD |
| Status | Active |
| Incorporated | 26 Nov 2022 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | BA13 4AW |
| Outcode | BA13 |
| Nation | England |
| Air-to-air signal | not yet observed, checked 25 Sep 2026 |
| F-Gas | not yet observed, checked 25 Sep 2026 |
| MCS air-to-air | not yet observed, checked 25 Sep 2026 |
| Retrieved | 25 Sep 2026 |
| Dataset | https://download.companieshouse.gov.uk/BasicCompanyDataAsOneFile-2026-09-01.zip |
| Companies House page | Company 14507940 |
Companies House record: J. L. KNIGHT & SON LTD, company 14507940, status Active, 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. Snapshot 1 Sep 2026, retrieved 25 Sep 2026. The 10 km count is equirectangular to 0.1 km. MCS air-to-air confirmed in this catalogue: 0, checked 25 Sep 2026.
Better than a reviews catalogue: the Companies House record, the district hot-night count and the MCS air-to-air observation are on one page.