Cornerstone’s has worked with private landlords for more than a decade and understands the particular requirements and challenges associated with making property upgrades in this competitive sector.   

Installing energy efficiency measures on a rented property can help with:

  • Meeting legislative requirements
  • Enhancing the look and marketability of the property
  • Reducing energy bills for tenants
  • Significantly increasing the resale value

The Energy Act 2011 introduced a minimum legal energy standard for rented properties. In April 2018, it became illegal to rent a residential or commercial property with an EPC rating of F or G – the lowest two grades on the A – G scale of energy efficiency. The potential impacts for landlords, and for occupiers who wish to sublet space, include a loss of income and marketability.


Measures installed in over 1,000 private rented sector properties


However, there are often simple solutions to improving a property’s EPC rating, including the installation of an appropriate combination of energy efficiency measures that offer a range of benefits.

Cornerstone has vast experience of working with landlords to determine the best solution for each individual property or for a larger portfolio, minimising the investment and maximising the results. We will also always seek to raise awareness of any central or local government funding streams available to our private landlord clients to enable them to minimise their investment wherever possible.

In addition to servicing enquiries directly from private landlords, Cornerstone has worked with local authorities to deliver coordinated schemes targeting the private rented sector, highlighting upcoming changes in legislation and the availability of funding.



“My tenants immediately felt the benefits of the insulation as the house was draughty before and now it is positively much warmer. This work has also increased the value of my properties and made them more saleable. Cornerstone is an excellent company with a great, considerate and conscientious workforce. The product is terrific and I am happy to supply the addresses of my properties for anyone to inspect and see for themselves. I would definitely recommend Cornerstone.”

Mr K, Private Landlord, Milton Keynes

“Cornerstone is the company who go the extra mile. Installing solar panels on two buildings simultaneously in August 2015 went without a hitch. Both premises were fully operational throughout and the staff were very professional. The installation was under constant supervision by their Project Manager which meant that we could continue business without a worry. The support did not stop there, the paperwork and registration were handled for us. All in all we are very satisfied with the whole project and would not hesitate in recommending Cornerstone for all your installation requirements."

Mr C, Business Owner, Norfolk

01379 853 613
Registered Office: Cornerstone (East Anglia) Limited, Unit 2-4, Fuller Road, Harleston, Norfolk, IP20 9EA.
Registered No.05117129. Registered in England and Wales.