Solar panels, heat pumps and insulation in Browning Road conservation area
In the Browning Road conservation area (Waltham Forest), external wall insulation needs planning permission, and so does an air source heat pump on a wall or roof facing the road; one at the back or side, internal and loft insulation and solar panels on a roof slope normally do not. An Article 4 direction published by Waltham Forest covers this area and removes permitted development rights for replacement windows and doors, and other alterations to the house, alterations to the roof (e.g. rooflights), painting the outside, so there these need planning permission too. 40 homes inside the boundary have an energy certificate: 88% are solid-wall homes with no wall insulation, 100% heat with a gas boiler and 82% are rated D–G; 0 have a heat pump. EPC register November 2026; rules as at 21 October 2026.
Data: EPC register November 2026 (latest certificate per home), conservation area boundaries 3 November 2026, permitted development rules as at 21 October 2026 · calculated 5 November 2026 · Methodology and sources
40homes with an energy certificate
88%solid walls, no insulation
100%heated by a gas boiler
0heat pumps
Article 4: An Article 4 direction published by Waltham Forest covers this area and removes permitted development rights for replacement windows and doors, and other alterations to the house, alterations to the roof (e.g. rooflights), painting the outside, so there these need planning permission too. (Browning Road Conservation Area; Other Article 4 Direction Area)
What needs planning permission in Browning Road
Work (house, not listed)
In a conservation area
Rule
Air source heat pump on a wall or roof facing the road, or nearer the road than the house
Planning permission needed
Part 14 Class G, G.1(j)
Air source heat pump at the back or side (outdoor unit up to 1.5 m³, MCS Planning Standards, one per house — two on a detached house)
No permission needed (permitted development)
Part 14 Class G
Solar panels on a pitched roof (up to 0.2 m proud, not above the ridge)
No permission needed (permitted development)
Part 14 Class A, A.2(c)
Solar panels on a wall, balcony or roof enclosure facing the road
Planning permission needed
Part 14 Class A, A.2(e)
Solar panels on a flat roof (up to 0.6 m above the roof)
Replacement windows and doors of similar appearance
Planning permission needed (an Article 4 direction here removes this right)
Part 1 Class A, A.3(a)
Listed buildings: none recorded inside the boundary; on a listed building, solar panels and heat pumps are not permitted development and need listed building consent.
Flats: 2% of the certified homes here are flats or maisonettes. Homes in a block of flats have no householder rights for alterations; heat pumps and solar have their own, tighter rules for blocks of flats.
The homes in the area (latest certificate per home, n = 40)
Walls
Homes
Share
Solid wall (brick or stone), no insulation
35
88%
Cavity wall, insulated (as built or unspecified)
4
10%
Cavity wall, filled
1
2%
Heating
Homes
Share
Gas boiler
40
100%
Loft / roof insulation
Homes
Share
No insulation
11
28%
Under 200 mm
7
18%
200 mm or more
20
50%
Insulated (depth not recorded)
2
5%
Windows
Homes
Share
Single glazed
23
57%
Double glazed
17
42%
CDE
Energy rating: C 7 (18%) · D 28 (70%) · E 4 (10%) · F 1 (2%). Houses and bungalows: 98% of the homes; solar panels on 0% of the certificates. Most common build period on the certificates: before 1900. Designated: 1 January 1973.
Compared with Waltham Forest and England
Share of homes
Browning Road
All 15 areas in Waltham Forest
England
Solid walls, no insulation
88%
66.0%
48.7%
Gas boiler
100%
82.5%
66.4%
Rated D–G
82%
—
56.5%
Caveats
Certificates describe a home when it was assessed; 38% of these are from 2020 or later (latest 12 February 2026). “No insulation (assumed)” is the assessor's default for older walls.
The rules are England's national permitted development rules (General Permitted Development Order 2015, Schedule 2, as at 21 October 2026). They do not cover building regulations or a council's own conditions. This is not a planning decision: ask Waltham Forest if in doubt.
Boundary: London Borough of Waltham Forest via planning.data.gov.uk (entity 44003428, reference CA5, 0.7 ha); the council's appraisal or map. Homes are placed by the coordinates of their UPRN (OS Open UPRN); addresses are not shown.