Solar panels, heat pumps and insulation in Wavertree Village conservation area
In the Wavertree Village conservation area (Liverpool), 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 Liverpool 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), chimneys, flues and soil pipes, painting the outside, so there these need planning permission too. The area has 54 listed buildings; on a listed building solar panels and heat pumps are not permitted development at all and need planning permission and listed building consent. 892 homes inside the boundary have an energy certificate: 68.8% are solid-wall homes with no wall insulation, 76.8% heat with a gas boiler and 58.9% are rated D–G; 5 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
892homes with an energy certificate
68.8%solid walls, no insulation
76.8%heated by a gas boiler
5heat pumps
Article 4: An Article 4 direction published by Liverpool 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), chimneys, flues and soil pipes, painting the outside, so there these need planning permission too. (149 Picton Road, Liverpool, L15 4LG; 28-28A Church Road North, Liverpool, L15; 28/28A Church Road North, Liverpool, L15; 4 - 7 Back Sandown Lane, Liverpool, L15 8HZ; 94-96 High Street, Liverpool, L15 8HQ; Chillies, 57-61 High Street, Liverpool, L15 8HE)
What needs planning permission in Wavertree Village
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: 54 in the area (grade I: 0, II*: 5). The table is for houses that are not listed: on a listed building, solar panels and air source heat pumps are not permitted development at all (they need planning permission), and any of these works needs listed building consent.
Flats: 62% 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 = 892)
Walls
Homes
Share
Solid wall (brick or stone), no insulation
614
68.8%
Cavity wall, insulated (as built or unspecified)
77
8.6%
Cavity wall, unfilled
59
6.6%
Solid wall, internal insulation
37
4.1%
Solid wall, insulated
33
3.7%
Cavity wall, filled
32
3.6%
Timber frame
11
1.2%
Modern wall (U-value from the design)
9
1.0%
Other or not known
8
0.9%
Solid wall, partly insulated
5
0.6%
Solid wall, external insulation
4
0.4%
Cavity wall, internal or external insulation
2
0.2%
Cavity wall, partly insulated
1
0.1%
Heating
Homes
Share
Gas boiler
685
76.8%
Electric (storage heaters, panels, boiler)
147
16.5%
Communal heating
53
5.9%
Heat pump
5
0.6%
LPG
1
0.1%
Solid fuel (wood, coal)
1
0.1%
Loft / roof insulation
Homes
Share
No insulation
168
18.8%
Under 200 mm
99
11.1%
200 mm or more
205
23.0%
Insulated (depth not recorded)
76
8.5%
Flat or other home above
335
37.6%
Other
9
1.0%
Windows
Homes
Share
Double glazed
745
83.5%
Single glazed
142
15.9%
Secondary glazing
4
0.4%
Triple glazed
1
0.1%
CDE
Energy rating: B 22 (2.5%) · C 345 (38.7%) · D 342 (38.3%) · E 138 (15.5%) · F 29 (3.3%) · G 16 (1.8%). Houses and bungalows: 38% of the homes; solar panels on 0.6% of the certificates. Most common build period on the certificates: 1900-1929. Designated: 7 November 1979.
Compared with Liverpool and England
Share of homes
Wavertree Village
All 37 areas in Liverpool
England
Solid walls, no insulation
68.8%
41.6%
48.7%
Gas boiler
76.8%
53.3%
66.4%
Rated D–G
58.9%
—
56.5%
Caveats
Certificates describe a home when it was assessed; 61% of these are from 2020 or later (latest 30 October 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 Liverpool if in doubt.
Boundary: Liverpool City Council via planning.data.gov.uk (entity 44014337, reference CA033, 36.6 ha). Homes are placed by the coordinates of their UPRN (OS Open UPRN); addresses are not shown.