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ATK ENVIRONMENTAL LTD: plumbing, heating and air-conditioning company in St Albans
ATK ENVIRONMENTAL LTD is an active limited company (no. 14582274), incorporated in 2023, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in AL2 (St Albans), and 510 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
510 similar companies within 10 km. St Albans
What homes around AL2 need
In AL2 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).
11% of sampled postcodes in AL2 sit in a conservation area (on-record, 737 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 |
|---|---|---|---|
| ALL ENERGY SERVICES LTD | 03251223 | AL2 | ≈0.5 km |
| M V SCOTTER BUILDING SERVICES LTD. | 05184209 | AL2 | ≈0.5 km |
| F&DD CONSTRUCTION LIMITED | 09228549 | AL2 | ≈1.0 km |
| STAR AIR CONDITIONING LTD | 13467068 | AL2 | ≈1.0 km |
| D I SMITH GAS PLUMBING AND HEATING LIMITED | 04305409 | AL2 | ≈1.1 km |
| MASTERS PLUMBING AND HEATING SPECIALISTS LTD | 13062416 | AL2 | ≈1.6 km |
| LAKE PLUMBING & HEATING LTD | 08530377 | AL2 | ≈1.7 km |
| WATRET & CO.LIMITED | 01023740 | AL2 | ≈1.7 km |
| PLUMBERS IN LONDON LTD | 13895386 | AL2 | ≈1.8 km |
| PRIORITY PLUMBERS LTD | 08700922 | AL1 | ≈1.8 km |
Company record
| Field | Value |
|---|---|
| Company number | 14582274 |
| Name | ATK ENVIRONMENTAL LTD |
| Status | Active |
| Incorporated | 10 Jan 2023 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | AL2 3EN |
| Outcode | AL2 |
| 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 14582274 |
Companies House record: ATK ENVIRONMENTAL LTD, company 14582274, 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.