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1 local comparisons · Cardiff
Across Cardiff, Caerdydd, solar installations vary depending on housing estates with consistent roof designs. Observed systems demonstrate that site-specific roof characteristics and exposure levels are critical to achieving consistent generation.
Cardiff, Caerdydd continues to see growing interest in solar panel installations, with system performance shaped by roof layout, orientation, and surrounding structures.
Savings in Cardiff, Caerdydd 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 £1248 to £1248, with most systems delivering around £1248 annually.
Across Cardiff, Caerdydd, different housing layouts create variation in how solar systems are designed. Detached properties often allow for larger systems, while more compact homes require careful planning.
Roof angle, usable space, and nearby obstructions all influence final system design.
Energy generation in Cardiff, Caerdydd 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 5673 per year, with higher-performing setups reaching 5673. Most installations include approximately 18 panels.
Typical yearly generation
5673 kWh
What a usual system here is modelled to produce
Typical yearly saving
£1248
From £1248 to £1248
Usual system
18 panels
Mostly 400W
Best result in the data
5673 kWh
Highest modelled yearly output
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Properties here are typically modelled at 5673 kWh a year, from systems of about 18 panels. The score mixes that output with how many people are comparing solar in the area.
Most installations in Cardiff, Caerdydd 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, Caerdydd often reflect a balance between roof constraints and energy usage. Systems are typically designed to maximise output within available space.
Battery storage is becoming more common, particularly where excess generation can be shifted into evening use.
What we're seeing locally: Cardiff, Caerdydd 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 5673
Yearly saving
up to £1248
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 |
|---|---|---|
| 18 panel system High-efficiency panel | 18 panels | 5673 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 5673 kWh a year, with typical savings of £1248.
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