London
Chartered party wall surveyors covering all 33 London boroughs. Expert advice on Party Wall Agreements, Schedules of Condition, and Boundary Disputes.
About
Clients Served250+
Since 2019
London's dense, closely-packed housing stock - from Victorian terraces in Hackney and Islington to Edwardian semis in Ealing and post-war properties across the outer boroughs - makes party wall matters one of the most common legal requirements facing property owners and developers in the capital.
Whether you are undertaking a loft conversion in Lambeth, a basement extension in Kensington, a rear extension in Croydon or structural alterations in Tower Hamlets, The Party Wall etc. Act 1996 is likely to apply. Aspen Party Wall Surveyors provide expert, impartial guidance to building owners, adjoining owners, architects and developers throughout Greater London.
Our chartered surveyors are experienced across the full spectrum of London party wall matters - from straightforward notices on residential extensions to complex multi-party disputes on large commercial and mixed-use developments.
Why London
The vast majority of London's residential housing is terraced or semi-detached. Any notifiable work on a shared wall - including repairs, extensions, or structural alterations - triggers the Act, requiring notice to be served on all adjoining owners.
Basement and lower-ground-floor extensions are particularly common in higher-value inner London boroughs such as Kensington, Chelsea, Islington and Camden. Excavation within 3 metres of an adjoining owner's foundations falls under the Act.
Extending into the roof space frequently involves raising the party wall or building astride the boundary, both of which require proper notices and, if the neighbour dissents, a formal Party Wall Award.
London's high property values make renovation and extension economically attractive. Planning applications across many boroughs run into the thousands each year, generating a corresponding volume of party wall obligations.
Many London boroughs contain conservation areas and listed buildings where works must be carefully managed. Party wall procedures provide an important layer of legal protection for both the building owner and their neighbours.
From office-to-residential conversions in the City of London to mixed-use regeneration schemes across inner boroughs, commercial projects in London regularly carry significant party wall obligations. We act for both building owners and adjoining owners in commercial contexts.
Our Services
Coverage
We provide party wall surveying services across all 33 London boroughs:
FAQs
In most cases, yes. If your loft conversion involves raising, extending or working on a shared party wall, the Party Wall etc. Act 1996 is likely to apply. You will need to serve a Party Wall Notice on your adjoining neighbour(s) at least two months before works commence. If they dissent or fail to respond, a party wall surveyor must be appointed to prepare a Party Wall Award.
The statutory notice period under the Party Wall Act is at least one month (for Party Structure Notices) or two months (for Line of Junction Notices). If the neighbour consents in writing, you can proceed after that period. If they dissent, allow four to six weeks for a Party Wall Award to be prepared. In London, matters involving multiple adjoining owners can take longer.
In the majority of cases, the building owner (the person carrying out the works) pays the party wall surveyor's fees for both parties. This is the standard position under the Party Wall Act. Where an adjoining owner has appointed their own surveyor, costs may be apportioned depending on the circumstances.
Contact
Contact our chartered surveyors for expert advice on your London party wall matter. We typically respond within one working day.
Also serving: St Albans • Oxford • Cambridge • Bedford • Northampton
