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GRAYSMARK LIMITED: plumbing, heating and air-conditioning company in Crawley
GRAYSMARK LIMITED is an active limited company (no. 05432244), incorporated in 2005, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in RH10 (Crawley), and 184 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
184 similar companies within 10 km. Crawley
What homes around RH10 need
In RH10 last summer (2026) there were ≈10 nights that stayed above 18 °C — 5 times the 1991–2020 average of 1.9 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
3% of sampled postcodes in RH10 sit in a conservation area (on-record, 1,910 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 |
|---|---|---|---|
| ORCA PLUMBING & HEATING LIMITED | 11916650 | RH10 | under 0.1 km |
| SERVICE VENT LTD | 07178449 | RH10 | ≈0.4 km |
| NEMCO UTILITIES LTD | 03799314 | RH10 | ≈0.6 km |
| TRUE HEATING SOLUTIONS LTD | 16651853 | RH10 | ≈0.6 km |
| ALWAYS HEATING AND PLUMBING LTD | 14350897 | RH10 | ≈0.7 km |
| RV HEATING & ELECTRICAL LIMITED | 14791611 | RH10 | ≈0.8 km |
| TCM AIR CONDITIONING SERVICES LTD | 13776504 | RH10 | ≈0.9 km |
| DT PLUMBING AND BUILDING LIMITED | 17094744 | RH10 | ≈0.9 km |
| POLAR HEAT LTD | 11391778 | RH10 | ≈1.0 km |
| NTA GAS HEATING & PLUMBING SERVICES LTD | 12113391 | RH10 | ≈1.0 km |
Company record
| Field | Value |
|---|---|
| Company number | 05432244 |
| Name | GRAYSMARK LIMITED |
| Status | Active |
| Incorporated | 21 Apr 2005 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | RH10 1QA |
| Outcode | RH10 |
| 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 05432244 |
Companies House record: GRAYSMARK LIMITED, company 05432244, 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.