Professional Surveying Services
Welcome to David Cosby Chartered Surveyors
We are a firm of Chartered Land Surveyors, Building Surveyors, and Registered Valuers, regulated by the Royal Institution of Chartered Surveyors (RICS)
Commercial Property Surveys
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RICS Home Survey Reports & Valuations
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Probate Valuations
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Land Registry Compliant Plans
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Measured Building Surveys
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Land Surveying
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Party Wall Surveying and Advice
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Regulated by the Royal Institution of Chartered Surveyors (RICS)
Our surveying services are conducted by qualified professionals who adhere to the strict standards and ethical guidelines set by the Royal Institution of Chartered Surveyors (RICS)

Your Local Property Professionals
From our base in South Northamptonshire, David Cosby Chartered Surveyors offer informed local insight alongside nationwide surveying services. With specialist land and building surveying expertise, we provide dependable, up-to-date guidance on all aspects of land and property.
Latest News and Projects
Timber Wall Panelling
Explore the hidden depths of timber wall panelling in historical and modern architecture. Discover how surveyors assess potential concealed defects like decay and dampness, the evolution from utilitarian insulation to ornate linenfold designs, and the intriguing history of priest holes in grand houses. Understand the transition from full-height oak panelling to Georgian era wainscoting and its modern-day counterparts in property development.
5 Star Review
At David Cosby we would readily admit to being motivated by a keen desire for praise. It is therefore extremely pleasing to start receiving our first reviews through Google and for them to all be 5 Star!
Watercolour Planning Drawings
Despite the benefits of Computer Aided Design, on occasion we like to revert to traditional mediums such as watercolour. One such project that required this approach was a concealed boat house on a Northamptonshire lake.






