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DUFFMEISTER LTD: plumbing, heating and air-conditioning company in London
DUFFMEISTER LTD is an active limited company (no. 15213463), incorporated in 2023, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in W9 (London), and 3,701 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
3,701 similar companies within 10 km. London
What homes around W9 need
In W9 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).
42% of sampled postcodes in W9 sit in a conservation area (on-record, 573 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 |
|---|---|---|---|
| JEMM SOLUTIONS & CO LTD | 15426963 | W10 | ≈0.3 km |
| MOZART PLUMBING AND HEATING LIMITED | 15988346 | NW6 | ≈0.4 km |
| NAVTON LIMITED | 03427017 | W9 | ≈0.4 km |
| SMART HEATING MAINTENANCE LTD | 11393668 | W9 | ≈0.4 km |
| AL OMARI CONSTRUCTION AND ELECTRICAL LTD | 11933986 | W9 | ≈0.5 km |
| GAS INSPECTIONS LTD | 14778983 | W10 | ≈0.5 km |
| ELITE MECHANICAL LTD | 10101209 | NW6 | ≈0.5 km |
| ROB WALKER PLUMBING & HEATING LTD | 09436460 | W10 | ≈0.5 km |
| DOMESTIC APPLIANCE CARE LTD | 14004207 | NW6 | ≈0.5 km |
| DACIAN FALX LIMITED | 17020950 | W9 | ≈0.5 km |
Company record
| Field | Value |
|---|---|
| Company number | 15213463 |
| Name | DUFFMEISTER LTD |
| Status | Active |
| Incorporated | 16 Oct 2023 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | W9 3DA |
| Outcode | W9 |
| 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 15213463 |
Companies House record: DUFFMEISTER LTD, company 15213463, 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.