Conservation areas in Southampton
Southampton City Council has 21 conservation areas in planning.data.gov.uk; 3,797 homes inside them have an energy certificate, and 16.0% of those are solid-wall homes without wall insulation. The largest by number of homes is Oxford Street (689). 7 of the areas overlap an Article 4 direction that removes rights for windows, roofs, solar or heat pumps. 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 |
|---|---|---|---|---|---|---|
| Bassett Green Village | 26 | 19% | 85% | 0 | 4 | other matters only |
| Canute Road | 161 | 24% | 18% | 0 | 13 | other matters only |
| Carlton Crescent | 429 | 26% | 39% | 8 | 38 | removes some rights |
| Cranbury Place | 423 | 26% | 45% | 0 | 9 | removes some rights |
| Ethelburt Avenue | 125 | 3% | 99% | 0 | 0 | removes some rights |
| Itchen Valley | 63 | 5% | 11% | 0 | 9 | other matters only |
| Oakmount Triangle | 162 | 1% | 77% | 1 | 0 | removes some rights |
| Old Town North | 318 | 8% | 5% | 0 | 15 | other matters only |
| Old Town South | 283 | 2% | 23% | 1 | 21 | other matters only |
| Old Town West | 286 | 16% | 40% | 0 | 48 | other matters only |
| Old Woolston 1 | 88 | 9% | 78% | 0 | 1 | other matters only |
| Old Woolston 2 | 24 | 33% | 88% | 1 | 0 | other matters only |
| Old Woolston 3 | 0 | — | — | 0 | 0 | other matters only |
| Old Woolston 3 | 17 | 18% | 65% | 0 | 0 | other matters only |
| Old Woolston 4 | 9 | 11% | 33% | 0 | 0 | other matters only |
| Oxford Street | 689 | 19% | 17% | 2 | 23 | other matters only |
| Portswood Residents' Gardens | 54 | 6% | 96% | 1 | 1 | removes some rights |
| St Annes Road | 31 | 55% | 3% | 0 | 0 | other matters only |
| St James Road | 107 | 10% | 80% | 0 | 1 | other matters only |
| The Avenue | 364 | 8% | 74% | 0 | 3 | removes some rights |
| Uplands Estate | 138 | 36% | 100% | 0 | 1 | removes some rights |
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