Explore how homes in Cardiff are performing with home solar panel installation. Real comparison data reveals typical system sizes, generation levels, and the level of savings being achieved locally.
Most homes in Cardiff are currently saving between £1248 and £1248 per year based on real comparison data. Typical systems are achieving around £1248 annually, while high-performing installations are reaching up to £1248 when optimised for roof size, orientation, and usage.
Solar performance in Cardiff depends heavily on roof orientation, pitch and shading. Properties with south-facing or east-west roofs typically achieve the strongest generation results, while shading from nearby buildings or trees can reduce performance.
Based on local comparison data, the average system in Cardiff generates around 5673 kWh per year. Strong-performing systems are reaching up to 5673 kWh, with most homes installing around 18 panels depending on available roof space.
Local comparisons
1
Real comparison activity from this area
Typical generation
5673 kWh
Average projected yearly output
Best recorded result
5673 kWh
Top projected generation in your local dataset
Typical system size
18 panels
Average setup size being compared nearby
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Cardiff solar opportunity score
Based on real comparison activity, system performance, and local demand signals.
Why Cardiff scores this level
Based on current data, properties in Cardiff are typically generating around 5673 kWh per year from solar installations.
Local comparison activity shows an average system size of 18 panels, with strong potential savings across the area.
The opportunity score reflects a combination of:
Planning considerations in Cardiff
Most residential solar installations in Cardiff fall under permitted development and do not require planning permission. However, properties within conservation areas or listed buildings may require approval, particularly where panels are visible from public viewpoints.
Local trends indicate that many homes in Cardiff are opting for larger systems to maximise long-term savings, with east-west split systems becoming increasingly popular to extend generation across more hours of the day.
This map highlights where solar comparisons are happening locally. Brighter areas indicate higher demand for solar panel installation.
Typical system sizes in Cardiff
Estimated savings distribution
Annual generation distribution
Estimated return over time
Solar interest trend in Cardiff
Average system size
18 panels
Based on current local comparison activity.
Most common panel class
400W
Derived from the strongest panel entries in the local dataset.
Best recorded generation
5673 kWh
Highest projected annual generation currently in the local page data.
Roof orientation
100% south
East/West: 0%
Mixed: 0%
Flat: 0%
What people in Cardiff want
This data comes from real residential solar comparisons in Cardiff, showing how different system sizes and panel types perform across local homes.
If you are planning home solar panel installation in Cardiff, these insights help you understand what system sizes are being compared and what generation levels are achievable.
Based on real comparison activity from properties in this area.
| Panel type | Typical setup | Avg annual generation |
|---|---|---|
| 18 panel system High-efficiency panel | 18 panels | 5673 kWh |
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Estimated fit: 18 panels
Likely annual generation: 5673 kWh
Possible yearly savings: £1248 / year
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Unit 1A, Tweed Road Industrial Estate, Clevedon, Bristol BS21 6RR, United Kingdom HA5 1RH
Blackbrook Business Park, BLOCK, Taunton TA1 2PF, United Kingdom
Unit 107 The, Wincombe Centre, Wincombe Business Park, Shaftesbury SP7 9QD, United Kingdom SP7 9QD
Most homes in Cardiff generate around 5673 kWh per year, with typical savings of £1248. Compare nearby locations to see how performance and system sizes vary across the area.
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