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CHALGRAVE PLUMBING & HEATING LTD: plumbing, heating and air-conditioning company in St Albans
CHALGRAVE PLUMBING & HEATING LTD is an active limited company (no. 07973226), incorporated in 2012, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in AL1 (St Albans), and 439 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
439 similar companies within 10 km. St Albans
What homes around AL1 need
In AL1 last summer (2026) there were ≈11 nights that stayed above 18 °C — 7 times the 1991–2020 average of 1.5 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
41% of sampled postcodes in AL1 sit in a conservation area (on-record, 1,206 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 |
|---|---|---|---|
| JM PLUMBING SERVICES LIMITED | 09736433 | AL1 | under 0.1 km |
| EAGLE MAINTENANCE AND CLEANING SERVICES LTD | 11697845 | AL1 | under 0.1 km |
| LIMITLESS BOILERS LIMITED | 14464207 | AL1 | under 0.1 km |
| GUTTER CLEANING & DRAINAGE SOLUTIONS LTD | 14694669 | AL1 | under 0.1 km |
| ALWAYS PLUMBING SERVICES LTD | 12949833 | AL1 | ≈0.1 km |
| AKH GLOBAL VENTURES LIMITED | 17346304 | AL1 | ≈0.1 km |
| J J MURRAY SERVICES LIMITED | 07879762 | AL1 | ≈0.2 km |
| EFFICIENT PLUMBING & HEATING (ST ALBANS) LTD | 10954990 | AL1 | ≈0.2 km |
| SOLA RENEWABLE COMPANY LTD | 12993768 | AL3 | ≈0.3 km |
| RBC MECHANICAL LIMITED | 07683572 | AL1 | ≈0.3 km |
Company record
| Field | Value |
|---|---|
| Company number | 07973226 |
| Name | CHALGRAVE PLUMBING & HEATING LTD |
| Status | Active |
| Incorporated | 2 Mar 2012 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | AL1 1DT |
| Outcode | AL1 |
| 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 07973226 |
Companies House record: CHALGRAVE PLUMBING & HEATING LTD, company 07973226, 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.