22 stunning house extension ideas to add valuable space

modern charred timber extension
(Image credit: Jean-Christophe Godet and Soup Architects)

The best house extension ideas will not only add the extra space required by the occupants of the property, but they should also enhance the existing spaces too. 

If you are planning on building an extension, then it is essential that you do your research in order to get a firm idea of the kind of design that will work best for you. While talking to an architect and taking notice of similar projects in your area will really help when it comes to whittling down your choices, our round up of inspiration projects should also help.  

Michael Holmes

Michael is Homebuilding & Renovating's Director of Content, Vice Chair of the self build industry body, the National Custom and Self Build Association (NaCSBA), presenter of multiple property TV shows and author of Renovating for Profit (Ebury). He also runs an architectural and interior design practice, offering design and project management services. He is one of the country's leading property experts and has undertaken over 30 building projects including two self-builds and the renovation of a Grade-II listed farmhouse. 


Michael has presented over 150 property shows for BBC, ITV1, Channel 5, UK TV Style, and Discovery RealTime, including I Own Britain's Best Home; Don't Move Improve; Trading Up; Good Bid, Good Buy; Build, Buy or Restore?; How to Build A House; and Hard Sell.


Michael is also a regular expert at the Homebuilding & Renovating Shows. He has written for leading British newspapers, including The Daily Telegraph, Sunday Times, Daily Express and The Independent and has appeared on news programmes such as BBC Breakfast.