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KEYSTONE PLUMBING CONTRACTORS LIMITED: plumbing, heating and air-conditioning company in Braintree
KEYSTONE PLUMBING CONTRACTORS LIMITED is an active limited company (no. 12665928), incorporated in 2020, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in CM7 (Braintree), and 93 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
93 similar companies within 10 km. Braintree
What homes around CM7 need
In CM7 last summer (2026) there were ≈8 nights that stayed above 18 °C — 4 times the 1991–2020 average of 1.8 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
17% of sampled postcodes in CM7 sit in a conservation area (on-record, 1,347 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 |
|---|---|---|---|
| LGTW LTD | 15873548 | CM7 | ≈0.6 km |
| KS AIR CONDITIONING LTD | 16422498 | CM7 | ≈0.6 km |
| TL PROPERTY SOLUTIONS LTD | 13822277 | CM7 | ≈0.9 km |
| 24/7 PLUMBING ESSEX LTD | 16725764 | CM77 | ≈1.0 km |
| G & D PLUMBING & HEATING LIMITED | 03658870 | CM7 | ≈1.0 km |
| VALCORE LTD | 06609651 | CM7 | ≈1.0 km |
| MCNAB PLUMBING AND HEATING SOLUTIONS LIMITED | 11430079 | CM7 | ≈1.0 km |
| ROBERTSONS HEATING LIMITED | 14754654 | CM7 | ≈1.0 km |
| EAST ANGLIAN MECHANICAL LIMITED | 16500781 | CM7 | ≈1.0 km |
| CORELINE SURVEYING & CONSULTING LIMITED | 17197768 | CM7 | ≈1.0 km |
Company record
| Field | Value |
|---|---|
| Company number | 12665928 |
| Name | KEYSTONE PLUMBING CONTRACTORS LIMITED |
| Status | Active |
| Incorporated | 12 Jun 2020 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | CM7 1WQ |
| Outcode | CM7 |
| 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 12665928 |
Companies House record: KEYSTONE PLUMBING CONTRACTORS LIMITED, company 12665928, 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.