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HUW JEFFREYS & SON LIMITED: plumbing, heating and air-conditioning company in Llanelli
HUW JEFFREYS & SON LIMITED is an active limited company (no. 07025696), incorporated in 2009, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in SA14 (Llanelli), and 31 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
31 similar companies within 10 km. Llanelli
What homes around SA14 need
In SA14 last summer (2026) there were ≈6 nights that stayed above 18 °C — 9 times the 1991–2020 average of 0.7 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
0% of sampled postcodes in SA14 sit in a conservation area (no-record-uncertain, 883 live postcodes).
In Wales 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 |
|---|---|---|---|
| DS AIR CONDITIONING SERVICES LTD | 14078390 | SA14 | under 0.1 km |
| M C PLUMBING & HEATING SERVICES LIMITED | 15118611 | SA14 | ≈2.5 km |
| RICHARD STEPHENS HEATING AND PLUMBING LTD | 12950281 | SA14 | ≈3.3 km |
| PIPEWORXGB LTD | 11005607 | SA14 | ≈3.4 km |
| PSC BUILDING LTD | 06814674 | SA14 | ≈3.5 km |
| TOWY VALLEY HEATING LTD | 10464539 | SA14 | ≈3.5 km |
| GLOW FIRE STOVE INSTALLATIONS LTD | 11168456 | SA14 | ≈3.5 km |
| H2O HEATING AND GAS SERVICES LIMITED | 05632085 | SA14 | ≈4.5 km |
| HEAT PUMPS SOUTH WALES LTD | 16482772 | SA14 | ≈4.5 km |
| ALBERT WILLIAMS LTD | 11713162 | SA18 | ≈5.1 km |
Company record
| Field | Value |
|---|---|
| Company number | 07025696 |
| Name | HUW JEFFREYS & SON LIMITED |
| Status | Active |
| Incorporated | 22 Sep 2009 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | SA14 7HD |
| Outcode | SA14 |
| Nation | Wales |
| 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 07025696 |
Companies House record: HUW JEFFREYS & SON LIMITED, company 07025696, 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.