Agreed Surveyor for Party Wall Matters

Under the Party Wall etc. Act 1996, when neighbours consent to use the same surveyor, that person acts as the Agreed Surveyor. At Christopher Anthony Surveyors, we regularly act in this role, ensuring both owners’ interests are protected while keeping the process simple, impartial, and cost-effective.


What Does an Agreed Surveyor Do?

The Agreed Surveyor handles the full party wall procedure on behalf of both the Building Owner and Adjoining Owner, including:

This single-surveyor approach helps avoid duplication of fees and reduces delays.


Benefits of Choosing an Agreed Surveyor

  • Lower costs – only one surveyor is appointed, reducing overall fees.
  • Faster process – no back-and-forth between two surveyors.
  • Clarity – one professional responsible for drafting and serving the Award.
  • Peace of mind – a fair and impartial resolution under the Act.
  • Reduced risk of disputes
  • Independent and impartial decision making

When Can You Use an Agreed Surveyor?

  • Both the Building Owner and Adjoining Owner must agree to a single appointment.
  • Best suited to straightforward works such as extensions, loft conversions, and alterations.
  • Not always recommended for complex projects (such as basements or underpinning).

If either party prefers to appoint their own surveyor, the two-surveyor process must be followed instead.

Want to see how this works in practice? Read our recent project: Woodlands Way, Winchmore Hill, London N21


Our Fixed Fees as Agreed Surveyor

We believe in transparent and fair pricing.

  • Party Wall Award (Agreed Surveyor): £699 + VAT
  • Reduced rates available for multiple awards.

There are no hidden costs – just clear, upfront fees.


Why Choose Christopher Anthony Surveyors?

  • Experienced Party Wall specialists.
  • Fixed and transparent pricing.
  • Independent and impartial advice.
  • Trusted by homeowners, architects, and developers across London.

Appoint Us as Your Agreed Surveyor

If you and your neighbour agree to appoint a single surveyor, we would be happy to act as your Agreed Surveyor.

For a quick online quote for Party Wall advice, send us the details of your project.

Or need advise straight away, please call us and one of our team will be pleased to assist you.

What is an Agreed Party Wall Surveyor?

An Agreed Surveyor is a single impartial surveyor appointed by both neighbours to prepare the Party Wall Award under the Party Wall etc. Act 1996.

When can an Agreed Surveyor be used?

Both the Building Owner and Adjoining Owner must agree to the same surveyor. This option is most suitable for straightforward works such as extensions and loft conversions.

What are the benefits of using an Agreed Surveyor?

It reduces costs, speeds up the process, and avoids unnecessary disputes since only one professional is appointed to act impartially.

How much does an Agreed Surveyor cost?

At Christopher Anthony Surveyors, our fixed fee is £699 + VAT for an Award, including a Schedule of Condition survey.

Is an Agreed Surveyor always the best option?

Not always. For more complex projects such as basements or underpinning, it may be better for each party to appoint their own surveyor.

Get Started


If you and your neighbour agree to appoint a single surveyor, contact Christopher Anthony Surveyors today for free initial advice.


You can also get an instant estimate via our Online Party Wall Quote Tool.

Areas We Cover
Christopher Anthony Surveyors provide professional Party Wall Surveyor services across London and the surrounding areas, including Hackney, Islington, Camden, Haringey, North London, East London, South London, West London, Bexley, Essex, Hertfordshire, Surrey, and Kent.

Our coverage also extends to Tower Hamlets, Waltham Forest, Enfield, Barnet, Southwark, Greenwich, Lewisham, Bromley, Croydon, Lambeth, Hammersmith & Fulham, Wandsworth, Merton, Kingston upon Thames, Ealing, Brent, Harrow, Hillingdon, Richmond upon Thames, and Sutton.

We continue to expand our reach — explore your local area page to learn more about Party Wall services near you.

Christopher Anthony Surveyors client list – London property projects

Get in touch with us 

London Party Wall Surveyor – Christopher Anthony Surveyors
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