Conservation areas in Hertsmere
Hertsmere Borough Council has 16 conservation areas in planning.data.gov.uk; 1,975 homes inside them have an energy certificate, and 42.0% of those are solid-wall homes without wall insulation. The largest by number of homes is Shenley Village (278). The council does not publish 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 |
|---|---|---|---|---|---|---|
| Aldenham | 47 | 45% | 28% | 1 | 6 | not published by council |
| Bushey Heath High Road | 97 | 11% | 37% | 0 | 5 | not published by council |
| Bushey Heath The Lake | 79 | 10% | 73% | 0 | 4 | not published by council |
| Bushey High Street | 226 | 50% | 73% | 8 | 27 | not published by council |
| Bushey Melbourne Road | 95 | 12% | 66% | 0 | 6 | not published by council |
| Elstree Village | 250 | 32% | 70% | 0 | 14 | not published by council |
| Letchmore Heath | 79 | 71% | 99% | 1 | 9 | not published by council |
| Patchetts Green and Delrow | 87 | 16% | 93% | 1 | 10 | not published by council |
| Potters Bar Darkes Lane (West) | 100 | 51% | 97% | 1 | 2 | not published by council |
| Potters Bar The Royds | 126 | 86% | 98% | 0 | 0 | not published by council |
| Radlett North | 274 | 63% | 86% | 1 | 5 | not published by council |
| Radlett South | 96 | 41% | 83% | 12 | 2 | not published by council |
| Ridge | 25 | 20% | 80% | 1 | 7 | not published by council |
| Round Bush | 22 | 50% | 18% | 5 | 3 | not published by council |
| Shenley Village | 278 | 35% | 97% | 3 | 19 | not published by council |
| South Mimms | 94 | 34% | 82% | 0 | 12 | not published by council |
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