Understanding Your Rights as an Adjoining Owner: What to Do When Your Neighbour Starts Building
In the tightly packed urban and suburban neighbourhoods of the UK, it’s common for homeowners to undertake building projects such as extensions, loft conversions, or basement excavations. While these improvements can benefit the homeowner, they may cause concern or even disputes for the neighbours next door.
If your neighbour has started (or is planning to start) construction that affects a shared wall or boundary, you are legally recognised as an “adjoining owner” under the Party Wall etc. Act 1996. This law grants you specific rights and protections, especially when the building work involves shared or close-proximity structures.
Understanding your rights, responsibilities, and the correct procedures can help prevent disputes, safeguard your property, and ensure the project proceeds lawfully and smoothly.
Who Is an Adjoining Owner?
As per the Party Wall etc. Act 1996, an adjoining owner is anyone who owns land, buildings, or premises that adjoin the property where work is proposed. This could be:
A shared party wall (like in terraced or semi-detached homes)
A boundary wall between two gardens
Excavation work close to your property foundations
If you rent or lease your home, you might not be the legal adjoining owner, but your landlord is. However, you should still stay informed, especially if the works impact your daily living or safety.
When Should You Be Notified?
If your neighbour intends to carry out any of the following, they are legally required to serve you a formal Party Wall Notice:
Building on or astride the boundary line
Work directly to an existing party wall or structure (e.g., raising, demolishing, cutting into it)
Excavating within 3 to 6 metres of your property (depending on depth an