Party Wall Services. Handled by Professional Surveyors.
For most London projects, costs range from a few hundred pounds for a consented notice to roughly £900 to £3,000 for a full Party Wall Award. The figure is driven by how many neighbours are involved and how they respond, not by a standard price list.
Consent keeps the cost at the notice stage. A dissent adds surveyor fees for the Award. No surveyor can give an exact figure without seeing the project, so ranges here are typical London market guidance only.
For most London projects the cost sits between a few hundred pounds and around £3,000. The range is wide because the cost is driven by the route your project takes. If your neighbour consents to the notice, the cost stays at the low end: you pay for the notices and, ideally, a Schedule of Condition. If your neighbour dissents, surveyors are appointed and a Party Wall Award is prepared, which adds the larger share of the fees.
One point worth making upfront: no surveyor can give an exact figure without seeing the project. LENIO reviews your drawings first, then gives a clear quote with no obligation.
The figures below are typical London market ranges for guidance, not a LENIO price list. Every project is quoted individually after review.
£100 to £300 per notice. Your neighbour consents in writing, so no Award is needed. You pay for preparing and serving the notices, plus a Schedule of Condition if you choose one. The most common outcome on straightforward works.
£900 to £1,800. One impartial surveyor acts for both owners and prepares a single Award. One appointment means one set of fees, the most cost-effective route after a dissent.
£1,500 to £3,000+ per notice. Each owner appoints their own surveyor, and the Building Owner usually pays both. Costs rise with complexity; basement projects commonly sit at the top of the range.
People searching for a "party wall agreement cost" usually mean the Award stage, which is tiers two and three. The notice stage is far cheaper, and many projects never go beyond it. Ranges are typical London figures for guidance only; LENIO provides a project-specific quote after reviewing your drawings.
Two similar houses can see very different fees. Five factors move the figure:
In almost all cases, the Building Owner pays. The principle under the Act is simple: the person carrying out the works meets the reasonable costs of the process, including the Adjoining Owner's surveyor where one is appointed. The fees must be reasonable, and the Award records who pays what. If a figure is disputed, the surveyors settle it, with the Third Surveyor as a backstop.
There are limited exceptions. Where an Adjoining Owner causes unnecessary work, or appeals an Award unsuccessfully, some costs can fall to them. In practice, these cases are uncommon.
A fair quote should be clear about what sits inside it. For most LENIO instructions, the fee covers:
If a quote looks unusually low, check which of these it leaves out. An invalid notice does not start the statutory clock, and fixing it later costs more than serving it correctly once, in both fees and programme time. The better comparison is not the headline price, but what the fee includes and who takes responsibility if something is missed.
You cannot avoid the process, but you can manage the cost. Five steps make the biggest difference:
Yes. The first conversation about your project costs nothing and carries no obligation. LENIO reviews what you are planning and tells you which notices apply. A formal quote follows once your drawings have been reviewed, so you will know the cost before any work begins.
Usually, yes. Where your neighbour appoints their own surveyor after a dissent, the Building Owner normally pays those reasonable fees along with their own surveyor's. The Award records the figures, and fees that look excessive can be challenged through the surveyors.
A party wall agreement, properly called a Party Wall Award, typically costs £900 to £1,800 with an Agreed Surveyor in London. With two surveyors, £1,500 to £3,000 or more is common. These are typical market ranges rather than fixed prices.
Not without limit. The Act only obliges you to pay reasonable fees, and the surveyors settle any dispute about them, with the Third Surveyor as a backstop. In practice, fee disputes are uncommon, and the Award sets out who pays what before the works begin.
Both models exist. Notices are often charged as a fixed fee, while Award work may be fixed or time-based depending on the firm and the project. LENIO gives a clear quote after reviewing your drawings, so you know the basis and the figure before committing.
Usually, yes. One impartial surveyor means one set of fees, and the Award is often agreed more quickly too. It suits projects where both owners are comfortable with a single appointment.
Send us your drawings and a LENIO chartered surveyor will give a clear quote after review. You will know the figure and what it covers before any commitment, with free initial advice.
