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CPM Associates are registered with the RICS Party Walls Helpline and are able to provide prompt and impartial guidance to both Building Owners and Adjoining Owners in respect of party wall issues.

CPM Associates are members of the Pyramus and Thisbe Club, which is the organisation for professionals specialising in party wall matters.


Membership of the P&T Club provides our party wall surveyors with the latest case law updates and ensures that we can provide up-to-date advice to our appointing owners.

Prior to undertaking works either to a shared (party) wall or in close proximity to an adjoining property or boundary line, it is likely that Notices will need to be served on all affected Adjoining Owners.


Typically, the type of projects where ‘notfiiable’ works are likely to be proposed include:-






New Builds






Loft conversions






Basement excavations






Side / Rear Extensions






Internal structural alterations




Compliance with the Act is a legal requirement. The failure by a Building Owner to follow the correct procedures may result in legal action being taken, thus incurring financial penalties and delays.


Accordingly, it is important to obtain seek the advice of a expert party wall surveyor as early as possible in the design phase to ensure that the requirements of the Act are complied with.


CPM Associates’ party wall surveyors are experts in dealing with matters arising under the Act and frequently represent both Building Owners and Adjoining Owners to ensure a satisfactory outcome is achieved.   


Where acting for the Building Owner alone or as Agreed Surveyor, CPM Associates are generally able to undertake appointments on a fixed fee basis.  

The above photographs indicate  typical scenarios where the Party Wall Etc Act  applied.

Party Wall Matters