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JKK BUILDERS LIMITED: plumbing, heating and air-conditioning company in St Helens
JKK BUILDERS LIMITED is an active limited company (no. 14226569), incorporated in 2022, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in WA11 (St Helens), and 370 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
370 similar companies within 10 km. St Helens
What homes around WA11 need
In WA11 last summer (2026) there were ≈4 nights that stayed above 18 °C — 4 times the 1991–2020 average of 1.0 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
1% of sampled postcodes in WA11 sit in a conservation area (on-record, 1,031 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 |
|---|---|---|---|
| PRESTIGE PLUMBING AND HEATING (NW) LIMITED | 05040463 | WA11 | ≈0.8 km |
| ELITE AC NORTH WEST LTD | 13996423 | WA11 | ≈1.2 km |
| FIX IT PLUMBING & HEATING LIMITED | 08447607 | WA11 | ≈1.2 km |
| HOPE PLUMBING & BUILDING LTD | 09806173 | WA11 | ≈1.4 km |
| HOMEHEAT GAS & OIL LTD | 10679364 | WA11 | ≈1.4 km |
| SMART HEATING WITH SAM LIMITED | 10785232 | WA11 | ≈1.4 km |
| AQUA SOLUTIONS (NW) LTD | 11654697 | WA11 | ≈1.4 km |
| DODD MECHANICAL SERVICES LTD | 13479575 | WA11 | ≈1.4 km |
| CR BATHROOMS & PLUMBING LTD | 14190696 | WA11 | ≈1.4 km |
| CBL GAS MAINTENANCE LIMITED | 14396951 | WA11 | ≈1.4 km |
Company record
| Field | Value |
|---|---|
| Company number | 14226569 |
| Name | JKK BUILDERS LIMITED |
| Status | Active |
| Incorporated | 11 Jul 2022 |
| SIC | 43220 · plumbing, heat and air-conditioning installation; 43210 · electrical installation; 43320; 43390 |
| Registered office postcode | WA11 0QL |
| Outcode | WA11 |
| 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 14226569 |
Companies House record: JKK BUILDERS LIMITED, company 14226569, 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.