Solar installation costs depend on factors like the size of the system you choose, the condition and type of your roof, whether you add battery storage, and any wiring or upgrade work needed.

On average in the UK (including Central London), most domestic solar installations fall into these broad ranges:

Small system (2–3 kW): Approx. £4,000 – £6,000

Medium system (4–6 kW): Approx. £6,500 – £10,000

Large system (7+ kW): £10,000 +

If you add battery storage, that typically adds around £3,500 – £6,000 depending on capacity.

Your final cost also depends on:

- Roof access and type (slate, tile, flat roof mounts)

- System brand and warranty levels

- Inverter type and optional monitoring

- Connection work / upgrades required

We always provide a free site survey and personalised quote so you know exactly what your system will cost with no surprises.

Most solar panel installations can be completed within 1–2 days once the survey and system design are confirmed. Larger systems or more complex roof access may take longer. We’ll confirm the expected timeframe after your site survey.

In many cases, solar panels can be installed under permitted development. However, planning rules may differ for listed buildings, conservation areas and certain properties in Central London. We’ll advise during the survey if permissions may be required.

The right system size depends on your roof space, energy usage and whether you plan to add battery storage. We design a solar system based on your needs, aiming for a good balance between performance and cost.

Yes. Battery storage is optional but can significantly improve how much solar energy you use at home by storing excess power for evenings and peak times. We can install batteries with the system or add them later.

Yes — solar panels still generate electricity in daylight even when it’s cloudy, although output is lower than in full sun. Your overall generation depends on shading, orientation and system size.