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DEEHAM LTD: plumbing, heating and air-conditioning company in London
DEEHAM LTD is an active limited company (no. 12409901), incorporated in 2020, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in NW9 (London), and 2,325 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
2,325 similar companies within 10 km. London
What homes around NW9 need
In NW9 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).
4% of sampled postcodes in NW9 sit in a conservation area (on-record, 1,479 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 |
|---|---|---|---|
| PUMBUILDING LIMITED | 12268693 | NW9 | under 0.1 km |
| SC PLUMB PERFECT LTD | 12461957 | NW9 | ≈0.2 km |
| DIB-GROUP LTD | 13173051 | NW9 | ≈0.3 km |
| DUAA TECHNICAL SERVICES UK LIMITED | 15012848 | NW9 | ≈0.3 km |
| DANIEL CDI SERVICES LTD | 13099014 | NW9 | ≈0.4 km |
| ENDEL GB LTD | 16185357 | NW4 | ≈0.4 km |
| ELITE LONDON HEATING & GAS LTD | 11313530 | NW9 | ≈0.5 km |
| PIPEWISE PLUMBER LIMITED | 15922719 | NW4 | ≈0.5 km |
| GAS ONE GROUP LTD | 12054113 | NW4 | ≈0.6 km |
| GASTECH HEATING ENGINEERS LIMITED | 11726873 | NW4 | ≈0.6 km |
Company record
| Field | Value |
|---|---|
| Company number | 12409901 |
| Name | DEEHAM LTD |
| Status | Active |
| Incorporated | 17 Jan 2020 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | NW9 7BX |
| Outcode | NW9 |
| 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 12409901 |
Companies House record: DEEHAM LTD, company 12409901, 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.