What is a party wall? Plus what to know before carrying out building work

semi-detached houses
(Image credit: Getty)

You have no doubt heard of the term but exactly what is a party wall and why is it important that you know about them?

The subject of party walls usually tends to come up when working out whether you will require a party wall agreement to build an extension, make alterations externally or convert a loft, and will most commonly affect owners of terraced or semi-detached houses. 

Natasha Brinsmead

Natasha is Homebuilding & Renovating’s Associate Content Editor and has been a member of the team for over two decades. An experienced journalist and renovation expert, she has written for a number of homes titles. Over the years Natasha has renovated and carried out a side extension to a Victorian terrace. She is currently living in the rural Edwardian cottage she renovated and extended on a largely DIY basis, living on site for the duration of the project. She is now looking for her next project — something which is proving far harder than she thought it would be.