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EXPRESS DUCTWORK SERVICES LIMITED: plumbing, heating and air-conditioning company in Northampton
EXPRESS DUCTWORK SERVICES LIMITED is an active limited company (no. 03434612), incorporated in 1997, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in NN7 (Northampton), and 166 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
166 similar companies within 10 km. Northampton
What homes around NN7 need
In NN7 last summer (2026) there were ≈6 nights that stayed above 18 °C — 6 times the 1991–2020 average of 1.0 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
11% of sampled postcodes in NN7 sit in a conservation area (on-record, 858 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 |
|---|---|---|---|
| AUTUMN ENERGY LTD | 13657179 | NN7 | ≈1.4 km |
| ALPHA PLUMBING & AIR CONDITIONING LTD | 17419579 | NN7 | ≈1.5 km |
| HOMEPIPE LTD | 09329889 | NN7 | ≈2.5 km |
| HW PLUMBING & HEATING LIMITED | 11803997 | NN7 | ≈2.6 km |
| DIAMOND INSTALLATIONS & REFURBISHMENTS LIMITED | 15938543 | NN7 | ≈2.6 km |
| K BAIRD & SON LTD | 17209560 | NN7 | ≈3.0 km |
| OFFTHEBREEZE LTD | 12959271 | NN7 | ≈3.1 km |
| RHINO PLUMBING LTD | 14429672 | NN12 | ≈3.4 km |
| NAX MECHANICAL LTD | 11446711 | NN7 | ≈4.1 km |
| OUSESIDE CONTRACTS LIMITED | 10056749 | NN12 | ≈4.2 km |
Company record
| Field | Value |
|---|---|
| Company number | 03434612 |
| Name | EXPRESS DUCTWORK SERVICES LIMITED |
| Status | Active |
| Incorporated | 16 Sep 1997 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | NN7 3DB |
| Outcode | NN7 |
| 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 03434612 |
Companies House record: EXPRESS DUCTWORK SERVICES LIMITED, company 03434612, 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.