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LANDLORD BUILDING CERTIFICATES LTD: plumbing, heating and air-conditioning company in Harrow
LANDLORD BUILDING CERTIFICATES LTD is an active limited company (no. 13346929), incorporated in 2021, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in HA2 (Harrow), and 1,797 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
1,797 similar companies within 10 km. Harrow
What homes around HA2 need
In HA2 last summer (2026) there were ≈12 nights that stayed above 18 °C — 8 times the 1991–2020 average of 1.6 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
5% of sampled postcodes in HA2 sit in a conservation area (on-record, 964 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 |
|---|---|---|---|
| 24/7 AMBER PLUMBING & HEATING LIMITED | 05613125 | HA2 | ≈0.1 km |
| AP&H LTD | 16234659 | HA2 | ≈0.1 km |
| LUCRATIVE SOLAR LTD | 14759729 | HA1 | ≈0.1 km |
| WALKERDPLUMB LTD | 17326712 | HA1 | ≈0.2 km |
| BMCRAFT LTD | 14089684 | HA1 | ≈0.3 km |
| CONSERVE GREENE LIMITED | 17352975 | HA1 | ≈0.3 km |
| ECM BUILDING SERVICES LTD | 09359930 | HA1 | ≈0.4 km |
| NEWAGE BUILDERS LTD | 13949473 | HA1 | ≈0.4 km |
| SKV RENEWABLES LTD | 05186533 | HA2 | ≈0.5 km |
| MAK GAS LTD | 10551053 | HA2 | ≈0.5 km |
Company record
| Field | Value |
|---|---|
| Company number | 13346929 |
| Name | LANDLORD BUILDING CERTIFICATES LTD |
| Status | Active |
| Incorporated | 20 Apr 2021 |
| SIC | 43220 · plumbing, heat and air-conditioning installation; 43210 · electrical installation; 71129 |
| Registered office postcode | HA2 7AA |
| Outcode | HA2 |
| 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 13346929 |
Companies House record: LANDLORD BUILDING CERTIFICATES LTD, company 13346929, 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.