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G R DUCTWORK INSTALLATION LTD: plumbing, heating and air-conditioning company in Northallerton
G R DUCTWORK INSTALLATION LTD is an active limited company (no. 04671796), incorporated in 2003, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in DL7 (Northallerton), and 20 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
20 similar companies within 10 km. Northallerton
What homes around DL7 need
In DL7 last summer (2026) there were ≈0 nights that stayed above 18 °C — below the 1991–2020 average of 0.2 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
14% of sampled postcodes in DL7 sit in a conservation area (on-record, 750 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 |
|---|---|---|---|
| TEMPORARY BOILER COMPANY LTD | 14668894 | DL7 | ≈3.8 km |
| HARVEY HEATING LTD | 11055828 | DL10 | ≈6.6 km |
| HIPPO PLUMBING LTD | 11114736 | DL10 | ≈6.9 km |
| HERON CONTRACTING LIMITED | 05585500 | DL10 | ≈7.6 km |
| H CLARKE & SONS LIMITED | 04643501 | DL6 | ≈8.4 km |
| HARRY CLARKE AND SONS LIMITED | 06747297 | DL6 | ≈8.4 km |
| M PRESTON PLUMBING & HEATING LIMITED | 14189179 | DL7 | ≈8.4 km |
| LIGHTFOOT PLUMBING & HEATING LIMITED | 07151908 | DL6 | ≈8.4 km |
| I DOUGHTY LIMITED | 06388480 | DL10 | ≈8.6 km |
| PLUMBCRAFT (YORKS) LTD | 10714112 | DL7 | ≈8.7 km |
Company record
| Field | Value |
|---|---|
| Company number | 04671796 |
| Name | G R DUCTWORK INSTALLATION LTD |
| Status | Active |
| Incorporated | 19 Feb 2003 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | DL7 0AS |
| Outcode | DL7 |
| 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 04671796 |
Companies House record: G R DUCTWORK INSTALLATION LTD, company 04671796, 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.