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1 local comparisons · Cardiff
Across Cardiff, solar installations reflect a mix of property types and regional conditions. Across the region, regional housing variation and installation conditions play a key role in overall solar performance.
This creates variation in system sizing, performance, and design approaches depending on location within the county.
Savings in Cardiff 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 £626 to £626, with most systems delivering around £626 annually.
Housing across Cardiff 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 Cardiff 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 2844 per year, with higher-performing setups reaching 2844. Most installations include approximately 6 panels.
Typical yearly generation
2844 kWh
What a usual system here is modelled to produce
Typical yearly saving
£626
From £626 to £626
Usual system
6 panels
Mostly 400W
Best result in the data
2844 kWh
Highest modelled yearly output
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Properties here are typically modelled at 2844 kWh a year, from systems of about 6 panels. The score mixes that output with how many people are comparing solar in the area.
Most installations in Cardiff fall under permitted development, but conservation areas and listed buildings may require additional approvals.
Positioning and visual impact can influence planning decisions in certain cases.
Installations across Cardiff reflect a mix of urban and rural energy usage patterns, influencing system sizing and design.
Properties with more available space typically achieve higher output and flexibility in system configuration.
What we're seeing locally: Cardiff includes a mix of housing layouts that can influence solar performance, particularly where surrounding buildings or trees introduce partial shading.
Local score
out of 100
Yearly output
kWh, best 2844
Yearly saving
up to £626
South-facing roofs
of modelled systems
Average system
panels, scale to 40
Common panel class
scale to 600W
Best modelled year
kWh peak in the data
Roof direction
South 100%
East/west 0%
Mixed 0%
Flat 0%
Figures come from real residential comparisons for local homes. They show the system sizes people compare and the generation those sizes reach.
| Panel type | Typical setup | Average yearly generation |
|---|---|---|
| 6 panel system High-efficiency panel | 6 panels | 2844 kWh |
Unit T3, Capital Business Park, Parkway, St. Mellons, Cardiff CF3 2PZ, UK CF3 2PZ
Unit 1B Whitebeam Court Rhodfa, Ty Du Road, Nelson, Treharris CF46 6PQ, UK CF46 6PQ
T&L Business Park, Winterstoke Rd, Weston-super-Mare BS23 3YS, UK BS23 3YS
Most homes here are modelled around 2844 kWh a year, with typical savings of £626.
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