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GDM PLUMBING & HEATING LTD: plumbing, heating and air-conditioning company in Dereham
GDM PLUMBING & HEATING LTD is an active limited company (no. 10931619), incorporated in 2017, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in NR20 (Dereham), and 40 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
40 similar companies within 10 km. Dereham
What homes around NR20 need
In NR20 last summer (2026) there were ≈8 nights that stayed above 18 °C — 5 times the 1991–2020 average of 1.6 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
8% of sampled postcodes in NR20 sit in a conservation area (on-record, 867 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 |
|---|---|---|---|
| MRH PLUMBING & HEATING (NORFOLK) LIMITED | 10870524 | NR19 | ≈3.7 km |
| BONNERS PLUMBING AND HEATING LIMITED | 10746727 | NR19 | ≈3.7 km |
| R F TRUCK SERVICES LTD. | 15866758 | NR19 | ≈4.2 km |
| BREWSTER HEATING LTD | 15869711 | NR19 | ≈4.2 km |
| MILLS MACMILLAN LIMITED | 02719507 | NR19 | ≈4.2 km |
| D J THOMPSON LIMITED | 05117373 | NR19 | ≈4.2 km |
| PAUL WALTERS PLUMBING AND HEATING LIMITED | 05164063 | NR19 | ≈4.2 km |
| K D THOMAS PLUMBING & HEATING LTD | 09019982 | NR19 | ≈4.2 km |
| WH HEATING SERVICES LIMITED | 09367781 | NR19 | ≈4.2 km |
| DR HEATING SERVICES LIMITED | 10866290 | NR19 | ≈4.2 km |
Company record
| Field | Value |
|---|---|
| Company number | 10931619 |
| Name | GDM PLUMBING & HEATING LTD |
| Status | Active |
| Incorporated | 24 Aug 2017 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | NR20 4PW |
| Outcode | NR20 |
| 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 10931619 |
Companies House record: GDM PLUMBING & HEATING LTD, company 10931619, 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.