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Image of a pretty thatched cottage.

The Independent Surveyors and Valuers Association is a National Network of like-minded professional surveyors and valuers with considerable experience and skill committed to providing a service of quality and Putting the Client First.

By instructing a chartered surveyor entitled to display the Charter Mark of ISVA, a client can be confident that the member:
  • Has not only passed the demanding examinations of The Royal Institution of Chartered Surveyors and has committed to rigorous professional standards, but also has at least three years post-qualification experience as a principal, partner or director.
  • Operates as an independent firm and, as such, will act personally and directly for the Client, but with ability to call on the wealth of specialist disciplines and skills provided within the National Network.
  • Will engage in discussion with the Client and explain any aspect or findings in further detail.
  • Confirms terms of appointment and the fee basis on acceptance of instructions.
  • Offers total loyalty to the Client and absolute discretion.
  • Responds promptly to telephone calls and correspondence.
  • Is committed to act in a timely manner and to an agreed time-scale.
  • Reports clearly and concisely in plain English.
  • Is committed to act courteously.
  • Maintains a procedure for addressing complaints according to established principles set by the ISVA.


Marshall's undertake five types of residential property surveys.

We cover Oxfordshire and West Berkshire, along with adjoining areas of Hampshire, Buckinghamshire, Gloucestershire and The Cotswolds.

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Marshalls Chartered Surveyors are RICS Registered Valuers highly experienced in the local property market.

We undertake residential valuation instructions for all purposes, including shared ownership and Help to Buy. We also undertake expert witness work and can advise upon lease extension and enfranchisement valuations.

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Marshalls were established in 1979 and can offer great local knowledge and experience of all types of building.

We might not be the cheapest, but you can be confident that we are the experts in our field.

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In addition to residential surveys and valuations, Marshalls offer a full range of commercial services, including commercial surveys, schedules of condition and dilapidations advice on behalf of both landlords and tenants.

Note: we do not undertake commercial valuations.

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Party wall

Marshalls offer a full range of specialist Party Wall services, working for both building owners and adjoining owners.

If you have received party wall notices from your neighbour or you are planning to carry out works, we can advise you of your options.

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Lease extensions

A lease is a wasting asset and as the remaining term becomes shorter, a residential property may be difficult to sell or mortgage. You may need to consider a lease extension or possibly a freehold purchase.

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Property advice

A range of pages offering useful advice on various survey, valuation and general property matters.

From asbestos and bats through to toxic mould and woodworm, we hope this general property advice is useful.

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Contact us

Marshalls have offices in Oxford (01865-863020) and Newbury (01635-529777).

We cover Oxfordshire and West Berkshire, along with adjoining areas of Hampshire, Buckinghamshire, Gloucestershire and The Cotswolds.

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