External Wall Insulation and Rendering Specialists

The advantages of external wall insulation are;

Save up to £500 each year on your energy bills.

 Improve your home’s Energy Performance, which in turn would increase the value of your property.
Improve the external appearance of your home.


Protherm is installing external wall insulation at low cost. So take urgent action to save money on your upcoming winter energy bills as well as making your home and family feel warmer.

If you would like to know more about how we can help you to improve your property, make your home stay warmer for longer for less and at the same time help you to reduce your energy bills, please contact:


The Base
Dartford Business Park
Victoria Road
Tel. no. 01322-314714

Green Deal Home Improvement Fund

Please note the Green Deal Home Improvement Fund is currently closed for new applications.

The scheme is due to re-open within the next few weeks.

Please contact Protherm insulation on 01322314714 or by email, to receive updates on the Green Deal Home Improvement Fund and other funding options.


Do you live in Bexley, Bromley or Lewisham?

All residents living in the boroughs of Bexley, Bromley and Lewisham automatically qualify for a grant of up to £6,000 towards the cost of External Wall Insulation.

Please contact us for more details.

Insulation Saves Lives

Business and industry leaders have once again explained to Government the vital importance of supporting families up and down the country in respect of insulating their property to reduce their energy bills. Evidence suggests that in fact many lives would be saved each year. To read more on this initiative, Please click here