How to improve your home’s EPC – Phil Spencer’s essential guide

  • What’s an EPC and why do I need one?
  • Improving your home’s EPC could boost its value
  • How to find your home’s EPC certificate online

This article is written by property guru Phil Spencer, who has years of experience in improving and transforming homes across the nation.

What’s the easiest way to find out how energy efficient your home is? The answer might be simpler than you think – just get up close and personal with its Energy Performance Certificate, or EPC.

You’ll probably recognise an EPC as the multicoloured chart that rates a property from A (most efficient) to G (least efficient). It’s easy to find your home’s EPC certificate – simply enter your postcode at

Along with measuring energy efficiency, it also gives suggestions on the home improvements that could to boost your EPC rating. That means a warmer and more efficient home, plus lower energy bills. And according to This Is Money, improving your home’s EPC could boost its value– a definite win-win situation


Here are my top tips to improve your EPC – whatever kind of home you live in.

Energy efficiency graphic

How these improvements boost your EPC

Replace the insulation in your loft – making sure it’s at least 270mm thick, to give your home’s energy efficiency a huge boost

Insulate any cavity walls – this process can make a huge difference to your EPC, plus it could save you money in energy bills

Switch any old-fashioned lightbulbs to energy efficient ones – it’ll save you around £70 per bulb over its lifespan

Think about replacing your boiler -- a new energy-efficient model could save you money on your energy bill

Use an efficient secondary heating source – if you have a fireplace, install a wood burning stove. They score highly on EPC ratings, are eco-friendly and could attract potential buyers.


More ways to improve your home’s EPC rating

  • Consider installing solar panels on the roof so that you can generate some free energy of your own
  • Draught-proof your home – sealing and blocking draughts doesn’t usually take long, and will make your home instantly warmer and more efficient
  • Install modern double glazing – replacing older windows can pay dividends in energy efficiency – and will also add value to your home


What does an EPC certificate look like? 

EPC example

Thinking about replacing your boiler to improve your home’s EPC? Find out everything you need to know, from how much it might cost to the steps involved in getting it installed. 


Published May 2017. All facts and figures correct at the time of publishing.

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