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PLUMB-LINE CONTRACTING LIMITED: plumbing, heating and air-conditioning company in Northampton
PLUMB-LINE CONTRACTING LIMITED is an active limited company (no. 04201243), incorporated in 2001, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in NN6 (Northampton), and 227 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
227 similar companies within 10 km. Northampton
What homes around NN6 need
In NN6 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).
6% of sampled postcodes in NN6 sit in a conservation area (on-record, 1,188 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 |
|---|---|---|---|
| AIR CONTROLLED ENGINEERING SERVICES LIMITED | 03090480 | NN6 | ≈1.0 km |
| MILITARY PRECISION PLUMBING SERVICES LIMITED | 11603268 | NN6 | ≈1.0 km |
| HOGBEN PLUMBING AND HEATING LIMITED | 13468316 | NN6 | ≈1.0 km |
| JLE HEATING AND PLUMBING LTD | 13639530 | NN6 | ≈1.0 km |
| WALSERVE LIMITED | 16561180 | NN6 | ≈1.0 km |
| VASPER BATHROOMS LIMITED | 17162678 | NN6 | ≈1.0 km |
| O'BRIEN HEATING SERVICES LIMITED | 11582653 | NN2 | ≈2.1 km |
| KEY TO PLUMBING LTD | 13287725 | NN6 | ≈2.3 km |
| JEFFREY PLUMBING AND HEATING LTD | 09104139 | NN2 | ≈2.5 km |
| NORTHANTS REFRIGERATION LIMITED | 06422103 | NN3 | ≈2.7 km |
Company record
| Field | Value |
|---|---|
| Company number | 04201243 |
| Name | PLUMB-LINE CONTRACTING LIMITED |
| Status | Active |
| Incorporated | 18 Apr 2001 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | NN6 9NL |
| Outcode | NN6 |
| 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 04201243 |
Companies House record: PLUMB-LINE CONTRACTING LIMITED, company 04201243, 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.