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DESIGN MECHANICAL SERVICES LIMITED: plumbing, heating and air-conditioning company in Stockbridge
DESIGN MECHANICAL SERVICES LIMITED is an active limited company (no. 12303095), incorporated in 2019, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in SO20 (Stockbridge), and 44 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
44 similar companies within 10 km. Stockbridge
What homes around SO20 need
In SO20 last summer (2026) there were ≈8 nights that stayed above 18 °C — 7 times the 1991–2020 average of 1.2 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
33% of sampled postcodes in SO20 sit in a conservation area (on-record, 346 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 |
|---|---|---|---|
| DMS AIR CONDITIONING LTD | 16710839 | SO20 | under 0.1 km |
| J.R. ASHWORTH (PLUMBING & HEATING) LIMITED | 01445912 | SP11 | ≈2.9 km |
| HEATSOURCE BOILERS LTD | 04648678 | SO21 | ≈5.6 km |
| TEST VALLEY HEATING LIMITED | 11928562 | SP10 | ≈5.7 km |
| JBPH LIMITED | 08122456 | SP11 | ≈5.8 km |
| MULBERRY PLUMBING & HEATING LIMITED | 11611527 | SP10 | ≈5.8 km |
| OCTO PLUMBING & BATHROOMS LIMITED | 14945890 | SP11 | ≈5.9 km |
| MBW PLUMBING AND HEATING LTD | 17299039 | SP10 | ≈5.9 km |
| LEE FOYLE PLUMBING & HEATING LTD | 14068045 | SP11 | ≈6.0 km |
| MILLWAY HEATING AND PLUMBING SOLUTIONS LTD | 13935598 | SP10 | ≈6.1 km |
Company record
| Field | Value |
|---|---|
| Company number | 12303095 |
| Name | DESIGN MECHANICAL SERVICES LIMITED |
| Status | Active |
| Incorporated | 7 Nov 2019 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | SO20 6AW |
| Outcode | SO20 |
| 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 12303095 |
Companies House record: DESIGN MECHANICAL SERVICES LIMITED, company 12303095, 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.