Home / Installers / Liverpool
JOHN HEYMANS & CO LIMITED: plumbing, heating and air-conditioning company in Liverpool
JOHN HEYMANS & CO LIMITED is an active limited company (no. 04670478), incorporated in 2003, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in L23 (Liverpool), and 326 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
326 similar companies within 10 km. Liverpool
What homes around L23 need
In L23 last summer (2026) there were ≈5 nights that stayed above 18 °C — 5 times the 1991–2020 average of 1.1 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
7% of sampled postcodes in L23 sit in a conservation area (on-record, 702 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 |
|---|---|---|---|
| CROSBY HEATING & GAS LTD | 07355162 | L23 | ≈0.2 km |
| SAFE GAS SERVICES PLUMBING & HEATING LIMITED | 11921905 | L23 | ≈0.2 km |
| BASNETT JONES & SONS LTD | 06931204 | L23 | ≈0.5 km |
| ALTERNATIVE GAS CO LTD | 07307279 | L23 | ≈0.5 km |
| CAVALIER KITCHENS & BATHROOMS LIMITED | 08496178 | L23 | ≈0.5 km |
| HILL GROUP SERVICES (NW) LTD | 09889860 | L23 | ≈0.5 km |
| KML GAS LIMITED | 11809979 | L23 | ≈0.5 km |
| RMT HEATING SERVICES LTD | 13751112 | L23 | ≈0.5 km |
| STEVEN FORD PLUMBING & HEATING LTD | 15343391 | L23 | ≈0.5 km |
| MERSEYSIDE HEATING & PLUMBING LIMITED | 01952339 | L23 | ≈0.6 km |
Company record
| Field | Value |
|---|---|
| Company number | 04670478 |
| Name | JOHN HEYMANS & CO LIMITED |
| Status | Active |
| Incorporated | 19 Feb 2003 |
| SIC | 43220 · plumbing, heat and air-conditioning installation; 41202 |
| Registered office postcode | L23 2XA |
| Outcode | L23 |
| 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 04670478 |
Companies House record: JOHN HEYMANS & CO LIMITED, company 04670478, 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.