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ALSA BUILDING SERVICES LTD: plumbing, heating and air-conditioning company in Hoddesdon
ALSA BUILDING SERVICES LTD is an active limited company (no. 13185334), incorporated in 2021, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in EN11 (Hoddesdon), and 495 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
495 similar companies within 10 km. Hoddesdon
What homes around EN11 need
In EN11 last summer (2026) there were ≈11 nights that stayed above 18 °C — 7 times the 1991–2020 average of 1.6 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
12% of sampled postcodes in EN11 sit in a conservation area (on-record, 653 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 |
|---|---|---|---|
| HOME CHOICE FIREPLACES DIRECT LTD | 07182567 | EN11 | ≈0.3 km |
| ANDREW SMYTH & SON LIMITED | 06206437 | EN11 | ≈0.3 km |
| SJFGAS LTD | 12012960 | EN11 | ≈0.6 km |
| UTILITY FITTERS LTD | 14515858 | EN11 | ≈0.6 km |
| ALL GAS SERVICES (LONDON) LIMITED | 06176474 | EN11 | ≈0.6 km |
| PRESTIGE PLUMBING & HEATING LTD | 17393601 | EN11 | ≈0.6 km |
| PATORA PLUMBING AND MECHANICAL LTD | 16395261 | EN11 | ≈0.7 km |
| DELAWARE HEATING LTD | 17397746 | EN11 | ≈0.7 km |
| RFT HEATING LIMITED | 03703417 | SG13 | ≈0.8 km |
| KNIGHTS ELITE LTD | 11908127 | EN11 | ≈0.9 km |
Company record
| Field | Value |
|---|---|
| Company number | 13185334 |
| Name | ALSA BUILDING SERVICES LTD |
| Status | Active |
| Incorporated | 8 Feb 2021 |
| SIC | 43220 · plumbing, heat and air-conditioning installation; 43290 · other construction installation |
| Registered office postcode | EN11 9EW |
| Outcode | EN11 |
| 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 13185334 |
Companies House record: ALSA BUILDING SERVICES LTD, company 13185334, 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.