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CASTLEHEAD DESIGN LTD: plumbing, heating and air-conditioning company in Paisley
CASTLEHEAD DESIGN LTD is an active limited company (no. SC900231), incorporated in 2026, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in PA2 (Paisley), and 322 similar companies have a registered office within 10 km. If you need a grant for an air-to-air heat pump, MCS lists 0 installers certified for air-to-air heat pumps (checked 25 Sep 2026), and Home Energy Scotland excludes an air-to-air unit that cools.
Active
Within 10 km
322 similar companies within 10 km. Paisley
What homes around PA2 need
In PA2 last summer (2026) there were ≈1 nights that stayed above 18 °C — 5 times the 1991–2020 average of 0.2 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
1% of sampled postcodes in PA2 sit in a conservation area (on-record, 1,000 live postcodes).
In Scotland, Class 6H covers heating and hot water, and the noise comparison on this card is 42.0 dB(A) (Step 10, MCS 020).
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 |
|---|---|---|---|
| E & A HEATING LIMITED | SC285385 | PA2 | ≈0.7 km |
| G. WOODS BATHROOMS LIMITED | SC214038 | PA2 | ≈0.8 km |
| CONASA GROUP LTD | SC859529 | PA1 | ≈0.9 km |
| CENTRAL MECHANICAL & RENEWABLES LIMITED | SC712570 | PA1 | ≈1.1 km |
| SOLAR SPECIALISTS (SCOTLAND) LIMITED | SC758247 | PA1 | ≈1.1 km |
| PRLD LTD | SC870345 | PA1 | ≈1.1 km |
| STRON RENEWABLES LTD | SC872307 | PA1 | ≈1.1 km |
| STRATHCLYDE GROUP LIMITED | SC552938 | PA3 | ≈1.1 km |
| RICHARDSON GAS & HEATING LIMITED | SC742817 | PA1 | ≈1.1 km |
| PRIME LINE PLUMBING SOLUTIONS LTD | SC891824 | PA1 | ≈1.1 km |
Company record
| Field | Value |
|---|---|
| Company number | SC900231 |
| Name | CASTLEHEAD DESIGN LTD |
| Status | Active |
| Incorporated | 24 Aug 2026 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | PA2 6AN |
| Outcode | PA2 |
| Nation | Scotland |
| 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 SC900231 |
Companies House record: CASTLEHEAD DESIGN LTD, company SC900231, 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.