Party Wall Surveyor in South London
Local Party Wall Surveyors in South London
Harding Chartered Surveyors advises building owners and adjoining owners across South London, including Clapham, Brixton, Balham, Tooting, Streatham, Camberwell, Dulwich and neighbouring districts. The area combines Victorian and Edwardian terraces, converted houses, mansion flats, post-war estates and newer apartment schemes, so ownership and construction must be checked for each project.
Party wall requirements should be considered while drawings are being developed, not after a contractor is ready to start. The statutory tests concern the proposed work, the boundary and neighbouring foundation levels. A project does not become notifiable merely because it is called an extension or loft conversion.
Work covered by the Party Wall etc. Act 1996
The Party Wall etc. Act 1996 principally covers work to an existing party wall or party structure, construction of a new wall at or astride a boundary, and excavation within three or six metres where the statutory depth and angle tests are satisfied.
Typical South London enquiries involve inserting loft beams, removing chimney breasts, rear and side-return extensions, basement work, underpinning and new walls close to boundaries. In converted houses and flats, floors and ceilings can be party structures and more than one qualifying owner may need to be identified.
Notices and project timing
Work to an existing party structure normally requires two months’ notice. A new boundary wall and qualifying excavation normally require one month. For section 2 and section 6 notices, no written consent within 14 days generally creates a deemed dispute. Section 1 has a different consequence, so every notice must be matched to the correct part of the Act.
Planning permission and Building Regulations approval do not replace the Party Wall procedure. Owners should allow time for title checks, design review, service of valid notices and, where necessary, surveyor appointments before the notifiable work begins.
How we can assist
- review architectural and structural proposals;
- identify adjoining owners and the notices required;
- prepare and serve a Party Wall Notice;
- record a Schedule of Condition; and
- prepare or agree a Party Wall Award.
Owners may appoint one Agreed Surveyor or separate surveyors. An appointed surveyor acts impartially under the Act and determines statutory matters rather than acting as an advocate.
Party Wall Surveyor South London Quotation

Party Wall and Boundary Surveyor · MFPWS MPTS
Last reviewed: September 2026

Advice for adjoining owners
Receiving a notice does not require an immediate objection or unconditional consent. Check the drawings, foundation details, access proposals and protective measures first. You may consent in writing, seek clarification or appoint a surveyor if a dispute has arisen under the Act.
A Schedule of Condition gives both owners a dated written and photographic record of accessible areas before work starts. If surveyors are appointed, the Award can regulate the method and timing of notifiable work, inspections, temporary protection, access and the process for dealing with relevant damage.
South London property considerations
Terraced streets around Brixton, Clapham, Tooting and Streatham commonly generate loft and extension enquiries. Camberwell and Dulwich include terraces, villas, flats and larger period houses, while major routes and town centres contain mixed residential and commercial buildings. These variations can affect the party structures involved and the number of owners requiring notice.
Leasehold consent, planning conditions, access rights and boundary ownership are separate questions. A Party Wall Award cannot grant planning permission, determine every boundary dispute or replace a licence from a landlord. Our boundary surveying service may be appropriate where the boundary itself is disputed.
Fees and professional standards
Fees depend on the design, number of affected owners, quality of the drawings, access and whether an Award is needed. The building owner normally pays reasonable statutory costs, including reasonable adjoining-owner surveyor fees where an appointment is necessary, although allocation depends on the circumstances.
The Act does not require an appointed surveyor to hold a particular professional qualification. The government recommends selecting someone with suitable construction knowledge and experience of the legislation. Harding Chartered Surveyors is an RICS-regulated firm, and Jeremy Goldney reviews this guidance.
Independent guidance is available in the government explanatory booklet and the RICS consumer guide.
South London party wall FAQs
Does every rear extension require notice?
No. The wall position, excavation depth and neighbouring foundations determine whether the Act applies.
Can one surveyor act for both owners?
Yes. Both owners may appoint one Agreed Surveyor; otherwise each appoints a surveyor and the two select a third surveyor.
Can an adjoining owner stop lawful work?
The Act is not a veto. It provides a procedure and safeguards for notifiable work.
How early should advice be obtained?
Ideally while structural drawings are being prepared, so notices and the programme can be planned correctly.
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Request party wall advice in South London
If you are planning work, send us the available architectural and structural drawings before confirming the programme. If you have received a notice, share the notice and supporting plans so we can explain the relevant options and timescales.
We advise on notices, schedules of condition, Agreed Surveyor appointments and Party Wall Awards throughout South London.
Call 020 7736 2383 or use the quotation form. We confirm the scope and provide a written quotation before undertaking chargeable work.



