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
Surveying at the Royal Hospital Chelsea: A Privilege and Honour
David Cosby Chartered Surveyors are proud to be undertaking land surveying works at the historic Royal Hospital Chelsea, home to the iconic Chelsea Pensioners. Appointed by Sabre Contractors, our detailed topographical and utilities surveys will support the hospital’s infrastructure, preserving its legacy as a symbol of national pride and military heritage.
A Little History of Towcester
Moving to Towcester? This market town, known as Lactodorum, was a bustling hub on the famous Watling Street. Today, its rich heritage is reflected in landmarks like Bury Mount, the Towcester Museum, and the nearby Stowe Gardens, shaped by Capability Brown. With its blend of history, green spaces, and proximity to modern attractions like Silverstone Circuit, Towcester offers a unique connection to the past while embracing the present.
Spray Foam Insulation | A Growing Problem for UK Homeowners
Spray foam insulation has become a popular choice for improving energy efficiency in UK homes, but its widespread use has also revealed significant challenges. From trapped moisture to mortgage refusals and insurance complications, homeowners are finding that spray foam is not always the straightforward solution it appears to be. This article explores the risks, examines government schemes like the Green Homes Grant, and offers practical advice for navigating these issues, particularly for owners of period properties






