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E. WALKER PLUMBING & CONSTRUCTION LIMITED: plumbing, heating and air-conditioning company in Harrow
E. WALKER PLUMBING & CONSTRUCTION LIMITED is an active limited company (no. 13645298), incorporated in 2021, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in HA1 (Harrow), and 1,821 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
1,821 similar companies within 10 km. Harrow
What homes around HA1 need
In HA1 last summer (2026) there were ≈12 nights that stayed above 18 °C — 8 times the 1991–2020 average of 1.6 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
12% of sampled postcodes in HA1 sit in a conservation area (on-record, 954 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 |
|---|---|---|---|
| PARKLAND HEATING & PLUMBING LTD | 09412469 | HA1 | under 0.1 km |
| UK DRAINAGE SOLUTIONS LIMITED | 12440844 | HA1 | under 0.1 km |
| THE CHALFONTS PLUMBING & HEATING COMPANY LIMITED | 15489921 | HA1 | under 0.1 km |
| UK DRAINAGE GROUP LIMITED | 16534313 | HA1 | under 0.1 km |
| CERACONSTRUCT LTD | 17030093 | HA1 | ≈0.1 km |
| MCL MECHANICAL & ELECTRICAL LTD | 14555305 | HA1 | ≈0.1 km |
| ECO FIT ENERGY LTD | 17293924 | HA1 | ≈0.3 km |
| FROST LINE REFRIGERATION LTD | 12008881 | HA1 | ≈0.3 km |
| GALAXY HEATING AND COOLING LIMITED | 13725692 | HA1 | ≈0.3 km |
| AIRAIX LIMITED | 14191820 | HA1 | ≈0.3 km |
Company record
| Field | Value |
|---|---|
| Company number | 13645298 |
| Name | E. WALKER PLUMBING & CONSTRUCTION LIMITED |
| Status | Active |
| Incorporated | 27 Sep 2021 |
| SIC | 43220 · plumbing, heat and air-conditioning installation; 41202 |
| Registered office postcode | HA1 2SP |
| Outcode | HA1 |
| 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 13645298 |
Companies House record: E. WALKER PLUMBING & CONSTRUCTION LIMITED, company 13645298, 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.