Roger qualified in 1978 and has had a successful career in public and private practice in Surrey and the South London area before setting up RDN Chartered Surveyors in 1993.

He has carried out valuations, flat lease extensions and freehold purchases for landlords or lessees for the past 10 years and acts as an expert valuation surveyor at Tribunals.

Jackie Collis is a valuer/technician with a background in the residential property and marketing sectors.

She specialises in leasehold and freehold valuation work and is able to advise on the costs to extend leases or buy the freehold.