A party wall agreement is not a single standard form. In everyday UK property conversations, the phrase may refer to a neighbour's written consent to a party wall notice, a more informal arrangement about proposed work, or a legally binding party wall award prepared by surveyor(s). These are not interchangeable. The right route depends on the building work and your neighbour's response.
Do I need a party wall agreement?
If work in England or Wales falls within the Party Wall etc. Act 1996, the building owner will normally need to serve an appropriate formal notice before starting. Examples can include cutting a steel-beam pocket into a shared wall, constructing a new wall at a boundary, or excavating within the Act's distance-and-depth tests near a neighbouring building. Minor decorating or shelving work normally falls outside its notice requirements.
A neighbour's written consent may allow the relevant notifiable work to proceed without a surveyor's award, once the appropriate notice period has elapsed or an earlier start has been agreed where permitted. If there is a dispute under the Act, an award may instead be necessary. See when a notice is required.
Notice, consent and award: which is which?
| Document | What it does | Who produces it? |
|---|---|---|
| Party wall notice | Formally tells adjoining owner(s) about certain planned works under a specified section of the Act. | Building owner or an authorised representative |
| Written consent | Records the adjoining owner's agreement in response to a valid notice; its exact meaning depends on the works and statutory section. | Adjoining owner |
| Party wall award | Determines how a dispute will be resolved and often addresses work methods, timing, condition and costs. | Surveyor(s) appointed under section 10 |
How to get a party wall agreement: the usual route
- Identify the work. Ask your architect or structural engineer whether it affects an existing party structure, a line of junction, or excavations close to neighbouring foundations. More than one notice type may apply.
- Identify the adjoining owners. Ownership can be more complex than whoever occupies the property. Long leaseholders and joint owners may need to be considered.
- Serve the correct written notice. Give the required information and any supporting plans or sections. Notice is usually two months ahead for party structure work and one month for applicable line-of-junction or excavation work.
- Record the response. Where written consent is available and effective, retain it with the notice and drawings. A verbal 'that's fine' is not a replacement for the written response.
- Resolve a dispute if required. For a relevant party structure or excavation notice, lack of written consent within 14 days can trigger the statutory dispute procedure. Appointed surveyor(s) then prepare an award. The rules for a new wall astride the boundary differ: express written agreement is required for building astride it.
How much does a party wall agreement cost?
Written consent to a self-prepared notice does not carry a statutory surveyor fee. If surveyors are needed, the costs vary with the number of owners, the building work, site visits and the complexity of the dispute. It is important to distinguish a low-cost notice preparation service from professional dispute resolution. Read our separate surveyor costs guide or agreement costs guide before budgeting.
Can I get a party wall agreement template for free?
GOV.UK publishes free example notices and acknowledgement letters. They are a useful starting point, but the correct wording and any supporting drawings depend on your project. An acknowledgement template is not a substitute for a surveyor-issued award. See our agreement template guide for what to download and what to avoid.
Example: a terraced-house loft conversion
Suppose a homeowner proposes to insert steel beams into two shared walls. These works may require party structure notices to adjoining owners on both sides. If both owners give written consent, the statutory surveyor route may not be needed. If one dissents, an award might be required for that side even if the other neighbour has agreed. It is sensible to discuss the engineering drawings early and retain copies of all replies.
Frequently asked questions
Do I need one if my neighbour is happy with the work?
Possibly a formal notice and written acknowledgement, even if the relationship is excellent. Being on good terms does not displace the Act's requirements for notifiable work.
Can my neighbour refuse to sign?
They can dissent, leading to the statutory dispute procedure for relevant work. They do not necessarily have an unrestricted veto over lawful work. Read what happens in a party wall dispute.
How long does it last?
Relevant statutory notices generally cease to have effect if the proposed work has not started within 12 months. That is not the same as saying every private agreement or award has a universal 12-month expiry. Consult the specific documents and the Act.
Related guides
Independent general guidance for England and Wales, checked against the GOV.UK Party Wall explanatory booklet, Party Wall etc. Act 1996 and RICS consumer guidance. Whether your particular work is notifiable depends on the facts and any relevant legal requirements; this page is not professional advice.
Updated 11 October 2026.Prepare a notice draft
Use our free checker to identify the notice category, then verify your project requirements before serving.