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  • Neil Harrison

What is the best home extension for you for 2020? - Grand Designs 'Live' has some ideas!

Updated: Jun 19, 2023

If you are thinking about a home extension or renovation for later in the year, you’ll probably be keeping your eyes peeled for advice, guidance and good ideas for your planned home improvement. Perhaps a place to go might be the always excellent Grand Designs Live shows for 2020

There are two shows scheduled, one in May in London at Excel and the other at Birmingham NEC later on October - depending of course, one supposes on progress relating to the current virus issues. Noted online in any event has been some excellent information and ideas highlighting five - yes five types of extension you can build without planning on ..and check out what the experts have to say... 

take advantage

As they point out ....whether you want to build up, out, or in the garden, you can extend your home by taking advantage of the latest permitted development rights. When extending your home, the prospect of navigating the planning process can be daunting

extension projects

However add the Grand Designs team, the great news is that there are a number of extension projects that can be completed without applying for planning permission, saving time, money and hassle, provided you stick to certain guidelines relating to size and appearance of your new addition.

Here below they highlight the things you can do with no planning permission needed:-

Side return extension

Create valuable extra living space by incorporating the redundant strip of land to the side of the house (often seen in period terraces).It’s the ideal way to create a larger kitchen; by removing the original exterior wall you can create a space that stretches across the full width of the house to the adjoining boundary.

Rear Extension

Recent changes to Permitted Development guidelines in England mean that in most areas (not on designated land) you can now add a single-storey rear extension up to eight metres from the original rear wall of a detached house (previously it was four metres), or six metres from all other houses, such as semi-detached or terraced properties (previously three metres).This allows you far greater scope to create a large, open-plan space that connects to your garden.

Double-Height Addition

Two-storey rear extensions are also possible (not on designated land), if it is at the rear of the dwelling and in addition must not exceed 3m in depth or be within 7cm of the back boundary.

A two storey extension will allow you to increase the size of your bathroom or add another room.

Loft conversion

To fall under the rights, an attic extension must not exceed 40 cubic metres for terraced houses or 50 cubic metres for detached and semi-detached houses.

This still provides plenty of scope for the creation of one or more dormers to make space for a large master bedroom and en suite, or even two smaller bedrooms and a bathroom.

Build a garden Room

You can construct many different styles of outbuildings, which you could use as a separate garden office, a home gym or perhaps an additional living room. Any new structure must be single storey and not exceed 50% of the land surrounding the original house – any existing sheds or outbuildings are also included within this total.


Plenty of good ideas and thoughts to ponder there. Enjoy the Shows .... perhaps we’ll see you there if well all do indeed get there!.... and, of course, we at Mint are here in Cheltenham and The Cotswolds to help, guide and action your 2020 home extension or renovation project  to ensure it is exactly the way you would want it to be! Good luck....

Refurbishment, improvement and extension of your home. Mint Builders offers a full development and finishing service to add value to your home for 2020. We are here to help with any questions or concerns you may have. We have all the expert contacts on hand to help you.

Whatever your need, please request your quotation to improve, refurbish or extend your home . Contact Mint Builders on 01242 279739or email

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