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
Do I Need a RICS Red Book Valuation for Probate?
Understanding whether a probate estate requires a RICS Red Book valuation or an estate agent’s appraisal is essential. This guide explains the differences, when a formal valuation is advisable, and how each affects inheritance tax reporting.
How do we value your home? The Comparable Method Explained
What Is the Comparable Method of Valuation?
The comparable method of valuation relies on the principle of substitution: buyers typically will not pay more for a property than they would for a similar one in the same market. We analyse data from recent sales of comparable properties to determine a realistic market value for your home.
This method works particularly well for residential properties, where we can access a wealth of data on similar homes in your area.
Flood Damage: Immediate Actions, Clean-Up, and Prevention Tips
Flooding can cause significant damage to your property, but acting quickly and following the right steps can minimise the impact. Learn about immediate actions to take, how to clean up safely, managing insurance claims, and ways to protect your home from future flooding.






