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JB BUILDING MAINTENANCE LTD: plumbing, heating and air-conditioning company in London
JB BUILDING MAINTENANCE LTD is an active limited company (no. 12772229), incorporated in 2020, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in N20 (London), and 1,686 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
1,686 similar companies within 10 km. London
What homes around N20 need
In N20 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 N20 sit in a conservation area (on-record, 532 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 |
|---|---|---|---|
| UNLIMITED REPAIRS LIMITED | 08399846 | N20 | ≈0.1 km |
| NORTH LONDON PLUMBING PRO LTD | 16442590 | N20 | ≈0.2 km |
| ABRAHAMS AND KELLY PLUMBING AND HEATING LTD | 13949778 | N20 | ≈0.2 km |
| S. P. PLUMBING & ELECTRICAL LTD | 04748926 | N20 | ≈0.4 km |
| RESPONSE PLUMBING & ELECTRICAL LIMITED | 08962157 | N20 | ≈0.4 km |
| SPARK & FLOW SERVICES LTD | 17345929 | N20 | ≈0.4 km |
| HIU & HEATING SERVICES LTD | 16856502 | N20 | ≈0.4 km |
| VIANIX PROPERTY LTD | 16428599 | N20 | ≈0.5 km |
| PROFLO LONDON LTD | 13856304 | EN4 | ≈0.5 km |
| MCVENTILATION LTD | 12909738 | N20 | ≈0.6 km |
Company record
| Field | Value |
|---|---|
| Company number | 12772229 |
| Name | JB BUILDING MAINTENANCE LTD |
| Status | Active |
| Incorporated | 27 Jul 2020 |
| SIC | 43220 · plumbing, heat and air-conditioning installation; 43390 |
| Registered office postcode | N20 0TR |
| Outcode | N20 |
| 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 12772229 |
Companies House record: JB BUILDING MAINTENANCE LTD, company 12772229, 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.