Is My Roof Suitable?

The majority of homes in the UK are suitable for solar PV, and there are three factors that affect the suitability and efficiency of a solar PV system; Click here to get your FREE Calculator and Guide

The direction your roof faces – Ideally the roof will be facing south, so that the maximum amount of sunlight is captured. If the roof is facing another angle, the panels will still work but they will be less efficient.

The angle of your roof – The ideal pitch for a solar panel in the UK is 30o, as this increases the amount of sunlight captured, and will generate more energy.
Shading from the surroundings – If there is shading from overhanging trees, buildings, chimneys or vents that block the sunlight, this will reduce the amount of electricity that can be generated by the solar panels.

So in summary the perfect roof would be South facing at 30o pitch with little or no shading.  However a well designed solar array will still work efficiently from West to East, horizontal to vertical.  If the roof is not suitable then we may be able to look at putting a floor standing Ground Mounted system in your garden.  If in doubt call us and we will be able to give you a more accurate analysis for your roof.


An Installation Guide

1. Orientation and Pitch

2. Size of Roof

3. Shading

4. In Roof / On Roof

5. Planning

6. Roof Condition

The roof should also be in sound condition as the PV system will be installed and operational for a minimum of 25 years. We can also offer various fixing methods either fitting traditionally on roof or using a sunken in roof fixing system.

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Generally planning is not required for existing residences and installations will fall under permitted development.  The exceptions to this are listed buildings, AONB, Conservation Areas where planning will be required.  Your local planning department will be able to advise on this.  We can assist you with any applications or information required.

Energy Perormance Certificate (EPC)

As of the 1st April 2012 it is now a requirement to have an EPC certificate to qualify for the higher rates of Feed in Tariff.  The property benefiting from the solar energy needs to reach Band D or above.  The solar panels installed can also contribute to the energy rating.  Most properties will reach this level, however if not we may be able to arrange free cavity wall insulation and loft insulation.  If your property does not hold an EPC certificate (see here for a sample) we can conduct a survey which will be included in the solar PV installation price.  Please call for details.