Conservation areas in Three Rivers
Three Rivers District Council has 19 conservation areas in planning.data.gov.uk; 2,865 homes inside them have an energy certificate, and 37.6% of those are solid-wall homes without wall insulation. The largest by number of homes is Rickmansworth Town Centre (782). 2 of the areas overlap an Article 4 direction that removes rights for windows, roofs, solar or heat pumps (Batchworth Heath, Frith Wood). 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 |
|---|---|---|---|---|---|---|
| Abbots Langley | 232 | 12% | 41% | 0 | 18 | not published by council |
| Batchworth Heath | 11 | 27% | 64% | 0 | 4 | removes some rights |
| Chorleywood Common | 441 | 32% | 86% | 5 | 16 | not published by council |
| Chorleywood, Station Estate | 125 | 68% | 97% | 2 | 2 | not published by council |
| Coppermill Lock | 0 | — | — | 0 | 0 | not published by council |
| Croxley Green | 156 | 27% | 78% | 32 | 16 | not published by council |
| Croxley Green, Dickinson Square | 41 | 78% | 100% | 0 | 0 | not published by council |
| Frith Wood | 29 | 28% | 86% | 4 | 3 | removes some rights |
| Grove Mill | 2 | 100% | 100% | 0 | 0 | not published by council |
| Heronsgate | 53 | 64% | 96% | 2 | 5 | not published by council |
| Hunton Bridge | 36 | 42% | 94% | 0 | 8 | not published by council |
| Loudwater | 113 | 42% | 95% | 1 | 2 | not published by council |
| Moor Park Estate | 349 | 27% | 98% | 3 | 1 | not published by council |
| Outer Loudwater | 174 | 26% | 94% | 6 | 5 | not published by council |
| Oxhey Hall | 256 | 79% | 98% | 0 | 0 | not published by council |
| Rickmansworth Town Centre | 782 | 33% | 65% | 9 | 25 | not published by council |
| Rickmansworth, Cedars Avenue | 15 | 53% | 100% | 0 | 0 | not published by council |
| Rickmansworth, Nightingale Road | 18 | 78% | 94% | 0 | 0 | not published by council |
| Rickmansworth, Upper Nightingale Road | 32 | 47% | 100% | 0 | 0 | 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