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14 local comparisons · Greater London

Compare Solar Panels & Installation in Greater London

Greater London presents a broad solar landscape, where different towns and housing types create varied installation conditions. Across the region, differences in property types and solar exposure across towns play a key role in overall solar performance.

From dense residential zones to more open properties, system design across Greater London is shaped by regional diversity.

Savings in Greater London depend on how well system size matches energy usage. Homes with higher daytime consumption typically see stronger returns, while others benefit from battery storage.

Based on real comparison data, households typically see savings ranging from £288 to £3142, with most systems delivering around £914 annually.

Housing across Greater London varies significantly between towns, suburban developments, and rural properties. This creates variation in system sizing and installation approaches.

Larger detached homes in rural areas often support bigger systems, while more compact town properties require careful panel placement.

Energy generation in Greater London depends on roof orientation, shading, and system size. South-facing roofs generally achieve the highest output, while east-west systems provide more balanced generation.

Typical systems generate around 4156 per year, with higher-performing setups reaching 14283. Most installations include approximately 14 panels.

Typical yearly generation

4156 kWh

What a usual system here is modelled to produce

Typical yearly saving

£914

From £288 to £3142

Usual system

14 panels

Mostly 400W

Best result in the data

14283 kWh

Highest modelled yearly output

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Why Greater London scores 98

Properties here are typically modelled at 4156 kWh a year, from systems of about 14 panels. The score mixes that output with how many people are comparing solar in the area.

Planning requirements in Greater London are typically straightforward for standard installations, although restrictions may apply in protected areas.

Properties in conservation zones or listed buildings may need approval before installation.

Observed installation patterns across Greater London show variation between towns, with system sizes and configurations differing based on property type and density.

Battery storage is increasingly used across the region to improve self-consumption and balance generation.

What we're seeing locally: Properties in Greater London can experience different levels of solar exposure depending on surrounding structures, which influences overall system efficiency.

Greater London at a glance

Local score

98

out of 100

Yearly output

4156

kWh, best 14283

Yearly saving

£914

up to £3142

South-facing roofs

59%

of modelled systems

Average system

14

panels, scale to 40

Common panel class

400W

scale to 600W

Best modelled year

14283

kWh peak in the data

Roof direction

South 59%

59%

East/west 25%

25%

Mixed 16%

16%

Flat 0%

0%

What people in Greater London ask for

Residential solar in Greater London

Figures come from real residential comparisons for local homes. They show the system sizes people compare and the generation those sizes reach.

Panel typeTypical setupAverage yearly generation
48 panel system
High-efficiency panel
48 panels14284 kWh
28 panel system
High-efficiency panel
28 panels12315 kWh
30 panel system
High-efficiency panel
30 panels5607 kWh
10 panel system
High-efficiency panel
10 panels3834 kWh
7 panel system
High-efficiency panel
7 panels3246 kWh

Installers covering Greater London

Article image
Solar4Good UK Ltd | Best Solar Panel Installation in Harrow, UK

79 College Rd, Harrow HA1 1BD, United Kingdom HA1 1BD

Solar4Good UK Ltd | Best Solar Panel Installation in Harrow, UK
Article image
Treadlighter Ltd

264 Merton Rd, London SW18 5JL, UK SW18 5JL

Article image
Think Green Partners

56-58, Solutions House, Peregrine Rd, Ilford IG6 3SZ, UK IG6 3SZ

How Greater London sits next to nearby areas

Most homes here are modelled around 4156 kWh a year, with typical savings of £914.

Nearby Home solar panel installation

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FAQ

Need Help? RoboMo's Got Answers

Do homes in Greater London need planning permission for solar panels?
Most residential properties fall under permitted development, but conservation areas or listed buildings may require approval depending on placement and visibility.
Are detached homes in Greater London better suited for solar installations?
Detached properties often provide more usable roof space and fewer shading constraints, making them well suited for larger systems.
Is battery storage commonly used in Greater London?
Yes, battery storage is increasingly used to store excess generation and improve self-consumption, especially in homes with lower daytime usage.
What affects solar performance in Greater London?
Roof orientation, shading, and available space all influence system performance, making tailored system design important.
Are solar panels worth it in Greater London?
Solar panels can be a worthwhile investment in Greater London, particularly for homes with suitable roof space and good daylight exposure. Based on comparison data, typical systems are generating around 4156 kWh per year, with average savings of approximately £914 depending on system size and usage.
How much can you save with solar panels in Greater London?
Savings in Greater London vary depending on system design and electricity usage. Most installations currently fall within a range of £288 to £3142 per year, with many achieving around £914 under typical conditions.
How many solar panels are typically installed in Greater London?
Most systems across Greater London use around 14 panels. This reflects common installation sizes based on roof space, system design, and typical household electricity demand.
Do solar panels perform well in Greater London?
Solar panels perform reliably in Greater London, with consistent generation throughout the year. Typical systems produce around 4156 kWh annually, although output depends on roof direction, shading, and installation quality.
What type of solar panels are commonly used in Greater London?
The most commonly installed panels in Greater London fall within the 400W range. These are widely used because they balance performance, cost, and efficient use of available roof space.
Is demand for solar increasing in Greater London?
Yes, demand for solar is increasing in Greater London. There have been 14 recorded comparisons, reflecting growing interest from homeowners exploring installation options.
Does roof direction affect solar performance in Greater London?
Roof direction has a direct impact on solar performance. South-facing systems typically generate the most electricity, and in Greater London, around 47% of systems are installed facing south. East and west-facing systems are also common and can provide more balanced generation across the day.

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