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J WILLIAMS PROPERTY MANAGEMENT LTD: plumbing, heating and air-conditioning company in Llanelli
J WILLIAMS PROPERTY MANAGEMENT LTD is an active limited company (no. 16452386), incorporated in 2025, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in SA15 (Llanelli), and 70 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
70 similar companies within 10 km. Llanelli
What homes around SA15 need
In SA15 last summer (2026) there were ≈7 nights that stayed above 18 °C — 12 times the 1991–2020 average of 0.6 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
0% of sampled postcodes in SA15 sit in a conservation area (on-record, 1,012 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 |
|---|---|---|---|
| SOUTH WALES BATHROOMS AND HEATING LTD | 17357635 | SA15 | under 0.1 km |
| DRAGON AIR TIGHTNESS SERVICES LTD | 15945214 | SA15 | ≈1.0 km |
| LEWFIELD MECHANICAL LTD | 12564629 | SA15 | ≈1.4 km |
| BEST CHOICE PLUMBING LIMITED | 16676940 | SA15 | ≈1.4 km |
| RECYCLE THINGS LTD | 11303756 | SA15 | ≈1.4 km |
| STELLAR ENERGY UK LIMITED | 11207319 | SA15 | ≈1.5 km |
| CJ AGA SERVICING LTD | 14052575 | SA15 | ≈1.6 km |
| ASR HEATING GROUP LIMITED | 17127920 | SA15 | ≈1.6 km |
| ECO INSTALLS LTD | 14871590 | SA14 | ≈2.0 km |
| SE BOILER SOLUTIONS LTD | 14179584 | SA15 | ≈2.2 km |
Company record
| Field | Value |
|---|---|
| Company number | 16452386 |
| Name | J WILLIAMS PROPERTY MANAGEMENT LTD |
| Status | Active |
| Incorporated | 15 May 2025 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | SA15 2BP |
| Outcode | SA15 |
| 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 16452386 |
Companies House record: J WILLIAMS PROPERTY MANAGEMENT LTD, company 16452386, 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.