Generate your own electricity and control your bills with solar panels & battery storage




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Flat roof solar panel system using VanDerValk mounting

Using a dormer extension flat roof is a good way to add to an installation. (Pictured above).

Solar Panel Installation Services UK - Design Led Solar.

Leoht, (Pronounced Lee ot, meaning “light” in Old English),was founded in 2020 by Thomas Moyes. We are based in Hove and cover Southern England & Wales.

We supply UK homeowners with high efficiency PV solar panel & battery systems that they will love and recommend - increasing the adoption of renewable energy and helping to acheive our aim of becoming the most useful and trusted renewable energy installer in the UK.

My first aim was to wipe out my parents' utility bills before they retire. In January 2020, we installed our first solar and battery system at their house. Their electricity bill is now negative. The only challenge left is their gas bill.

Read Our Story.

Design led - our aim is to design the optimum system for your home and usage whilst enhancing the aesthetics of your property.

Solar & battery storage still amazes me - your home, heating and car can be powered by the light hitting your roof. 

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Reduce energy costs

  • Electric Solar power panels may seem expensive but not as expensive as not having them! We believe that they are a rewarding, low-risk investment for the majority of homeowners. Where else could you earn a great return after tax, protect against rising energy prices and help the environment at the same time?
  • By generating and storing energy through solar panels & battery storage, you could reduce your annual energy bill by between £800 to £2500+ every year.
  • You will pay for energy anyway, you may as well pay yourself rather than wholly relying on an energy company.

Negative electricity bills

Help the grid store energy when demand is lower and get paid for providing energy during peak times with Octopus Flux

Maximize your solar system's benefits by earning up to £700 extra per year on top of your energy savings and contributing to the nation's use of renewable power.

Your inverter will handle it all automatically. Our team ensures the proper setup to optimise your system's performance.

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A home that can power itself

This customer was able to generate 5876 kWh per year and installed enough battery capacity (13.4 kWh) to use 95% of the energy generated.

Cost: £13,800 inc VAT

Saving £998 per year.

Dec 2021 update: Savings now £1209 per year. 

April 2022, electricity prices increased by 43%. Savings exceed £1500.

October 2022, prices rise by 40+%. Savings will exceed £2200 pa.

What if every home in the uk had solar panels?

Solar installation negative electricity bills

Earn money through the SEG

  • The Smart Export Guarantee, launched in January 2020, is a government-backed initiative designed to pay households for excess energy generated through an electric solar panel or a renewable source.
  • Any energy not used by the homeowner is pumped back into the national grid. 
  • Earn the smart export guarantee on exports to pay for topping up the batteries at off-peak rates.
  • Octopus Intelligent pays 15p for exporting and charges 7.5p for off-peak usage. Which electricity tariff is best for your solar panels?
  • A 10 kWh battery could save an additional £850+ per year using a time of use tariff.


How our PV solar panel installation works



Request a free solar panel design

Complete an enquiry form requesting a solar design or a free quote regarding the solar panel installation.




Receive your unique solar panel design


You'll find out...

How much energy your home could generate. How much it would cost. How much you could save.                                    


Book a home visit


If you like your design it's time to book a site survey. Alternatively, if you want to go ahead straightaway, you can Accept the proposal, a survey will be completed as a priority, it's the quickest way to install solar.


Start generating your own energy

After a site survey, you are ready to book your installation.

Installation usually takes two days.

Lead times are 3-4 weeks. Stock dependant.


Control your energy bills  

GivEnergy Solar monitoring (above) next to the installation. This is my favorite solar installation so far (right) A single row at the top of both roof faces enhances the look of the property whilst providing more electricity than the homeowner currently uses per year.

This customer will have a negative electricity bill for the next 30 years because he generates more than his home uses.

By owning your own electricity supply, you’ll have energy security, protect against rising bills whilst using renewable energy that’s cheaper and will earn a great return, tax-free.

How many solar panels do I need?

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Produce a lot more electricity

In 2018, the total energy consumed by petrol and diesel vehicles and gas heating was 900%+ higher than all UK domestic electricity consumption.  

How will a vast increase in demand affect electricity prices?

*This was written in 2021.

What if every house had residential solar panels in the UK?


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Eliminate your electricity bill

We aim to save you up to 100% on your electricity bill, your PV solar panel installation design will tell you if this is possible.

When combined with a 'time of use' tariff and battery storage, it may be possible to significantly reduce or eliminate your electricity bill - depending on how much you can generate, export and the time of use tariff rates. (excluding the standing charge).

Can PV solar panels power a house in the UK?

Solar panel installation with Leoht Tesla

Tackle your carbon footprint

The globe is experiencing a rapid shift in climate, with global temperatures rising. Scientists say that temperatures have increased by 1.2°C since humans began to use oil, gas and coal to power homes and factories, and predict this trend will continue. 

Carbon Dioxide, released into the atmosphere when fossil fuels are burned to generate energy, has increased by around 50% since the 19th century. The increasing presence of Greenhouse gases, including Carbon Dioxide, is contributing to global warming, trapping energy from the sun. 

We need to end our reliance on fossil fuels. Beyond the clear environmental damage and the costs that come with it. Ending our reliance on fossil fuels means greater self-sufficiency, less exposure to volatile energy markets and a reduction in bills.


We can also tell you based on your roof’s production data, what your system’s Co2 savings would be equivalent to…


  Number of trees planted

  Miles of driving

  Long haul flights per year


FAQs about solar panel systems

One for the zoom family quiz! 

In 1921, Albert Einstein won his first and only Nobel prize for his work on describing the photoelectric effect. 

In a nutshell, light (a beam of particles) knocks off electrons from the solar cell; the solar cells direct these electrons along a current - creating electricity. In theory, solar panels could last forever as there are no moving parts. 


Solar power panel efficiency has increased significantly over the last ten years so you might be surprised at how much electricity even a small roof could generate.

The smallest system we would recommend would be 9 x 380W panels, covering an area of 17 square meters. (4m x 4.25m).



No. It's a common myth. Whilst south facing is the most optimum facing position, as a rule of thumb - an identical East or West facing roof would generate 85% as much energy as the south-facing roof.

You may prefer to have an east and west facing roof than the south and north-facing roof as you could fit twice as many electric residential solar panels on the east/west roof than just south facing.

Even a North facing roof will generate approx 55% as much energy as a south-facing roof. For example, a 20 year old 10% efficient south-facing solar panel would generate approximately the same amount of energy as a modern north-facing solar panel.



The installation of solar panels on residential buildings are considered permitted development so you do not require planning permission if they comply with the following conditions.

There are necessary limits and conditions which must be complied with to benefit from permitted development rights.

  • Solar panels should not be installed above the highest part of the roof and should not project more than 200mm from the roof slope or wall surface.
  • Installers should not install solar panels on a building that is within the grounds of a listed building or on a site designated as a scheduled monument.
  • If your property is in a conservation area, or a World Heritage Site, you must not install solar panels on a wall that faces a highway.

Feel free to reach out to us to buy solar panels in the UK & switch to a sustainable lifestyle. Give us a call at 01273 286 627 and request for a free design and quote.




The district network operator (DNO) is the company responsible for distributing electricity from the national grid to your home. Installers must inform the DNO of your installation within 28 days after the date of installation. Leoht will handle this for you. 

You do not require permission for systems under 16 amps per phase (3.68kW single-phase or 11.04kW three-phase supply). All of the residential solar panel systems that we install fall into this category. System sizes are based on the AC inverter rating rather than the peak DC output of the solar system.

“By following bad advice regarding output limits you could be costing yourself £000’s.”



Not on their own. But it is possible when combined with a time of use tariff and energy storage - depending on the time of use tariff and smart export guarantee rates. 

For example, Octopus Go tariff pays 5.5p/kWh for every unit exported and charges 5p/kWh for off-peak use from 00:30 - 04:30. You could install solar panels that generate the equivalent of 100%+ of your electricity consumption and earn 5.5p/kWh for every unit exported to pay for topping up the batteries in the winter at 5p/kWh.

Your bills could even go negative if you can generate more than you use!

Time of use tariffs are why we have smart meters so expect them to become more common in future.

Yes. Solar panels are worth the cost. We believe that solar pv panels systems are an excellent investment for both you and the environment.

Our solar power panels systems cost between £5000 to £9000+ VAT, depending on the size and location of your home. This may seem expensive, but by installing a solar system we aim to reduce your electricity bill by up to 100%. Where else could you earn 9-13% per year tax-free on a low-risk investment, whilst protecting against rising energy prices and helping the environment at the same time.

Our solar panels are durable and come with a 25-30 year warranty. If well maintained, our solar panels can last for more than 30 years. Our solar panels are modern and blend well with any roof. A premium solar panel installation acting as your home's own energy supply is likely to increase the value of your property.

Solar panels are largely maintenance-free. Over time, however, they may be affected by environmental factors - dead leaves, for example, may block sections of the panel. We recommend that solar panels are checked every few years to ensure maximum efficiency and cleaned once or twice a year.

Solar panels need sunlight to generate energy, so they do not work at night. However, you can install a battery to store excess electricity generation during the day to then be used later at night.