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Structural Calculations for Solar Panel Installation

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Structural Calculations for Solar/PV Panel Installation



Nowadays it’s all about green living and environmentally friendly options. Here at Allcott Associates, we do our best to give our clients all the information they need to reduce their carbon footprints.


With this in mind, it’s no wonder the demand for solar panels is set to double over the next twelve months. Installing solar panels to your house guarantees a future return, but installing them to your roof will cause some issues.


Solar panels may have an impact on your home’s structure. Most significantly, solar panels will increase the load on your existing roof structure. It is therefore necessary to contact a structural engineer who can drawn up an appraisal of the roof frame to determine whether it can support the new load.


To install a solar panel you do not need planning permission, but the following does apply:

● Panels should not be installed above the ridgeline and should project no more than 200mm from the roof or the wall surface.

● If your property is a listed building, installation will likely require an application for listed building consent.

● Panels should not be sited so that they tarnish the overall appearance of the building.

● When no longer needed for micro-generation, they should be removed as soon as possible.



Our commercial structural engineers provide photovoltaic (PV)/solar panel calculations and assessments for commercial buildings across England and Wales.


Roof structure calculations are carried out to determine the load capacity of the roofs. In addition, our engineers review the entire building for structural issues that could affect PV panel installation.


Height, load, pressure and even climate are all taken into account, as is any specific requirements for access and maintenance. Safety is of course a key consideration.


Your structural engineer will guide you through the process, work closely with your suppliers and provide a comprehensive assessment of the suitability of the roof structure for PV/solar panel installations.


We are experienced in working with all types of commercial buildings, from large shopping malls to small individual hospitality outlets, and from portal-framed warehouses to leisure centres, office blocks and schools.


Contact our commercial team to discuss your requirements and get a competitive, tailored quote.

Contact us for more information: | 0333 200 7198