Conservation areas in Hounslow
London Borough of Hounslow has 29 conservation areas in planning.data.gov.uk; 14,383 homes inside them have an energy certificate, and 49.9% of those are solid-wall homes without wall insulation. The largest by number of homes is Spring Grove (1,647). The council publishes its Article 4 areas on planning.data.gov.uk. EPC register November 2026.
| Conservation area | Homes with EPC | Solid walls, no insulation | Gas boiler | Heat pumps | Listed buildings | Article 4 |
|---|---|---|---|---|---|---|
| Bedfont Green | 526 | 13% | 70% | 8 | 16 | other matters only |
| Bedford Park | 359 | 92% | 93% | 1 | 90 | check the direction |
| Chiswick High Road | 304 | 58% | 78% | 4 | 2 | other matters only |
| Chiswick House | 990 | 51% | 79% | 25 | 22 | other matters only |
| Cranford Village | 405 | 10% | 86% | 12 | 2 | other matters only |
| Feltham Town Centre | 403 | 11% | 57% | 5 | 4 | other matters only |
| Glebe Estate | 368 | 89% | 98% | 1 | 0 | other matters only |
| Grand Union Canal and Boston Manor | 383 | 2% | 52% | 0 | 8 | other matters only |
| Grove Park | 770 | 57% | 89% | 2 | 4 | other matters only |
| Gunnersbury Park | 524 | 90% | 95% | 0 | 21 | check the direction |
| Hanworth Park | 95 | 14% | 96% | 0 | 11 | other matters only |
| Heston Village | 294 | 29% | 92% | 0 | 5 | other matters only |
| Hounslow Cavalry Barracks | 0 | — | — | 0 | 11 | other matters only |
| Isleworth Riverside | 1,413 | 33% | 70% | 23 | 57 | other matters only |
| Kew Bridge | 458 | 5% | 12% | 2 | 9 | other matters only |
| Old Chiswick | 146 | 36% | 97% | 1 | 64 | other matters only |
| Osterley Park | 433 | 48% | 68% | 2 | 15 | other matters only |
| Spring Grove | 1,647 | 36% | 89% | 12 | 7 | other matters only |
| St Dunstan's | 62 | 39% | 74% | 2 | 8 | other matters only |
| St Paul's Brentford | 644 | 69% | 92% | 3 | 6 | other matters only |
| St Paul's Church | 105 | 61% | 69% | 0 | 1 | other matters only |
| St Stephen's | 172 | 80% | 89% | 0 | 0 | other matters only |
| Stamford Brook | 203 | 89% | 98% | 1 | 2 | other matters only |
| Strand on the Green | 582 | 64% | 78% | 13 | 29 | other matters only |
| The Butts | 162 | 28% | 65% | 15 | 18 | other matters only |
| Thorney Hedge | 233 | 79% | 92% | 5 | 0 | other matters only |
| Turnham Green | 1,371 | 65% | 54% | 23 | 19 | other matters only |
| Wellesley Road | 1,191 | 75% | 91% | 4 | 0 | other matters only |
| Woodlands Grove | 140 | 56% | 85% | 0 | 0 | other matters only |
Areas with at least 30 homes with an energy certificate have their own page. Areas drawn only as a point in planning.data.gov.uk have no boundary, so no homes are counted. England, all conservation areas: 48.7% solid walls without insulation, 66.4% gas boilers.
What needs planning permission in a conservation area
Guides: Heat pumps · Solar panels · External wall insulation · Replacement windows · Am I in a conservation area? Postcode checker