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AG DESIGN & BUILD LIMITED: plumbing, heating and air-conditioning company in Walton on the Hill
AG DESIGN & BUILD LIMITED is an active limited company (no. 07457528), incorporated in 2010, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in KT20 (Walton on the Hill), and 464 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
464 similar companies within 10 km. Walton on the Hill
What homes around KT20 need
In KT20 last summer (2026) there were ≈9 nights that stayed above 18 °C — 5 times the 1991–2020 average of 1.8 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
8% of sampled postcodes in KT20 sit in a conservation area (on-record, 671 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 |
|---|---|---|---|
| MAGNA PROPERTY SERVICES LTD | 11289787 | KT20 | under 0.1 km |
| KINGSWAY HEATING & BATHROOMS LIMITED | 11890841 | KT20 | under 0.1 km |
| PRIMUS CO. LIMITED | 13596938 | KT20 | under 0.1 km |
| APAG PROFESSIONALS LTD | 16922394 | KT20 | ≈0.2 km |
| SANDHILL PIPEWORK SOLUTIONS LIMITED | 11861390 | KT20 | ≈0.2 km |
| DEVONPORT PLUMBING & HEATING LTD | 13927112 | KT20 | ≈0.2 km |
| DON'T DIY LTD | 12147544 | KT20 | ≈1.2 km |
| CENTRAL HEATING SOLUTIONS LTD | 14719485 | KT20 | ≈1.7 km |
| BLUE FLAME GAS ENGINEERS LTD | 14250610 | KT20 | ≈1.8 km |
| FLUX RENEWABLES LIMITED | 15415833 | KT20 | ≈1.9 km |
Company record
| Field | Value |
|---|---|
| Company number | 07457528 |
| Name | AG DESIGN & BUILD LIMITED |
| Status | Active |
| Incorporated | 2 Dec 2010 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | KT20 7RR |
| Outcode | KT20 |
| 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 07457528 |
Companies House record: AG DESIGN & BUILD LIMITED, company 07457528, 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.