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JAMES JOHNSTON HEATING LTD: plumbing, heating and air-conditioning company in Wokingham
JAMES JOHNSTON HEATING LTD is an active company limited by guarantee (no. 16383313), incorporated in 2025, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in RG40 (Wokingham), and 303 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
303 similar companies within 10 km. Wokingham
What homes around RG40 need
In RG40 last summer (2026) there were ≈11 nights that stayed above 18 °C — 8 times the 1991–2020 average of 1.4 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
0% of sampled postcodes in RG40 sit in a conservation area (no-record-uncertain, 1,008 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 |
|---|---|---|---|
| SOL PROPERTY SOLUTIONS LTD | 14457633 | RG40 | ≈0.6 km |
| AH HOME SOLUTIONS LIMITED | 13406110 | RG40 | ≈0.8 km |
| JONNY'S DRAINS (BERKSHIRE) LTD | 15718212 | RG40 | ≈0.9 km |
| INFOTECH AIR-CONDITIONING LTD | 08796398 | RG40 | ≈1.2 km |
| DW HEATING & PLUMBING LTD | 13129375 | RG40 | ≈1.2 km |
| PRIMETECH ENGINEERS LIMITED | 14959496 | RG40 | ≈1.3 km |
| HEAT CORE SOLUTIONS LIMITED | 17115000 | RG40 | ≈1.4 km |
| CLAYTON LIMITED | 04189693 | RG40 | ≈1.4 km |
| S.P PLUMBING SOLUTIONS LTD | 08610075 | RG40 | ≈1.4 km |
| ACTIVE PLUMBING & HEATING BERKSHIRE LTD | 08943742 | RG40 | ≈1.4 km |
Company record
| Field | Value |
|---|---|
| Company number | 16383313 |
| Name | JAMES JOHNSTON HEATING LTD |
| Status | Active |
| Incorporated | 11 Apr 2025 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | RG40 5AS |
| Outcode | RG40 |
| 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 16383313 |
Companies House record: JAMES JOHNSTON HEATING LTD, company 16383313, 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.