Home / Installers / Hants
DESIGN HEAT WINCHESTER LIMITED: plumbing, heating and air-conditioning company in Hants
DESIGN HEAT WINCHESTER LIMITED is an active limited company (no. 01112141), incorporated in 1973, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in SO23 (Hants), and 85 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
85 similar companies within 10 km. Hants
What homes around SO23 need
In SO23 last summer (2026) there were ≈7 nights that stayed above 18 °C — 5 times the 1991–2020 average of 1.3 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
48% of sampled postcodes in SO23 sit in a conservation area (on-record, 811 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 |
|---|---|---|---|
| H G BRUCE AND PARTNERS,LIMITED | 00478700 | SO23 | ≈0.6 km |
| BARDKINS LTD | 16463291 | SO23 | ≈0.7 km |
| JT MECHANICAL LTD | 09577257 | SO23 | ≈0.8 km |
| TOTAL TRADE SERVICES LTD | 13028763 | SO23 | ≈0.8 km |
| ROEBUCK PROPERTY SOLUTIONS LIMITED | 15826101 | SO23 | ≈0.9 km |
| MCNEILL HEATING LIMITED | 10843261 | SO23 | ≈0.9 km |
| T H T LTD | 07508807 | SO23 | ≈0.9 km |
| HILL HEATING LIMITED | 11643081 | SO23 | ≈0.9 km |
| PURESERV LTD | 15002447 | SO23 | ≈0.9 km |
| ALLBROOK HEATING LIMITED | 07913930 | SO23 | ≈1.1 km |
Company record
| Field | Value |
|---|---|
| Company number | 01112141 |
| Name | DESIGN HEAT WINCHESTER LIMITED |
| Status | Active |
| Incorporated | 7 May 1973 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | SO23 9NT |
| Outcode | SO23 |
| 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 01112141 |
Companies House record: DESIGN HEAT WINCHESTER LIMITED, company 01112141, 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.