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HEATING AIR PIPEWORKS (HAP) LTD: plumbing, heating and air-conditioning company in Stevenage
HEATING AIR PIPEWORKS (HAP) LTD is an active limited company (no. 15267235), incorporated in 2023, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in SG1 (Stevenage), and 229 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
229 similar companies within 10 km. Stevenage
What homes around SG1 need
In SG1 last summer (2026) there were ≈9 nights that stayed above 18 °C — 6 times the 1991–2020 average of 1.5 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
7% of sampled postcodes in SG1 sit in a conservation area (on-record, 1,269 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 |
|---|---|---|---|
| VITAL PLUMBERS LIMITED | 07865008 | SG1 | ≈0.2 km |
| ECO CLIMATE SOLUTIONS AND BUILDING COMPLIANCE LIMITED | 14446133 | SG1 | ≈0.2 km |
| P & S WILLIAMS REFRIGERATION LIMITED | 02843835 | SG1 | ≈0.3 km |
| CERTECO RENEWABLES LTD | 11153989 | SG1 | ≈0.3 km |
| RICHARD MINNIS OIL BOILER SPECIALIST LTD | 12110676 | SG1 | ≈0.4 km |
| GREASE BUSTERZ LTD | 14610748 | SG1 | ≈0.6 km |
| FOUR SEASONS, PLUMBING, HEATING & RENEWABLES LTD | 16301902 | SG1 | ≈0.6 km |
| DH PLUMBING AND HEATING LTD | 05927837 | SG1 | ≈0.9 km |
| WMS UNDERFLOOR HEATING LIMITED | 09011416 | SG1 | ≈0.9 km |
| HEATSTREAM LIMITED | 09415652 | SG1 | ≈0.9 km |
Company record
| Field | Value |
|---|---|
| Company number | 15267235 |
| Name | HEATING AIR PIPEWORKS (HAP) LTD |
| Status | Active |
| Incorporated | 7 Nov 2023 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | SG1 1GA |
| Outcode | SG1 |
| 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 15267235 |
Companies House record: HEATING AIR PIPEWORKS (HAP) LTD, company 15267235, 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.