No Party Wall Agreement?

What happens when there is no party wall agreement? The answer to this question, to an extent depends on whether you are adjacent to a property where ‘notifiable’ works have been carried out, or whether you instigated such works, without a party wall agreement being in place.

A party wall agreement does not just have to be a published ‘Award,’ it could be that the Adjoining Owner provided a written consent to the party wall works being carried out, having been properly been appraised of their scope beforehand.

Either way, it can mean that surveyors are involved retrospectively, once all, or some of the works have been carried out. If there are any outstanding ‘notifiable’ works that have yet to be commenced, then a Notice can (and should) still be served, for that aspect of the works.

For instance, it may have been necessary to serve a party wall Notice to demolish a structure adjacent to a party wall. If, for whatever reason that did not happen, a party wall Notice can still be served for new foundations, if their position and depth mean that the Act applies.

Whilst more unusual, there can be legal involvement if there is no party wall agreement in place. This can be varying degrees of legal involvement (and costs) and can include Court injunctions, stopping the party wall works for an indefinite period.

It makes sense therefore to factor in the potential time and cost of the party wall process, as part of the overall project costs and programme. The word ‘potential’ is used in this context, on the basis that agreement can be reached quickly in some cases, particularly if a neighbour consents to the party wall Notice (and therefore negates the need for an Award).

Several legal cases relating to the 1996 Party Wall Act, in relation to the notifiable works being carried out in the absence of Awards or agreement being in place have been reported. The actual number of instances where there is no party wall agreement is probably far higher than the number of cases become the subject of Court action.

This is because ‘remedial’ action (be it making good damage or describing the works that have been carried out) are often dealt with by party wall Surveyors, who issue retrospective Awards.

No Party Wall Agreement?
No Party Wall Agreement?

At Harding Chartered Surveyors, we’re a team of independent and impartial RICS surveyors that can carry out party wall matters. If you have any questions or need advice don’t hesitate to call us on 020 7736 2383.

Written & Reviewed by Jeremy Goldney
Party Wall and Boundary Surveyor · MFPWS MPTS
Last reviewed: September 2026

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