Welcome to David Cosby Chartered Surveyors and Estate Agents. We have over two decades of professional property experience serving Northamptonshire, Warwickshire, and Buckinghamshire.
An RICS regulated firm providing a personalised service with attention to detail and the highest levels of integrity.

Book A Free Market Appraisal
Property Specialists
Our experienced Estate Agents have the benefit of Surveying and Property Law experience to offer unrivalled assistance in helping parties to reach exchange and completion.
Our Independent Chartered Surveyors and Architectural Technicians are able to provide a complete range of surveying and design services.
Property Specialists
We operate a Professional Estate Agency providing a bespoke sales service with the benefit of the Directors having Surveying and Property Law backgrounds to offer unrivalled assistance in helping parties to reach exchange and completion.
Our Independent Chartered Surveyors and Architectural Technicians are able to provide a complete range of surveying and design services.
A Professional Estate Agency Service
David Cosby Chartered Surveyors & Estate Agents are an RICS registered firm and have the benefit of Surveying and Legal expertise to help with your sale and purchase. Estate Agents who are regulated by the RICS uphold the core principles of transparency and provide the highest level of professional standards and ethics.
We are so confident in the professional service we provide that we have no fixed term contract or tie in periods, and our current rate is just 1% Including VAT on a No Sale - No Fee basis.
As an independent family run business with your best interests at heart we are able to provide a comprehensive personal service that cannot be matched by the larger corporate firms.
If you are considering selling or would like further information then please contact us on to arrange a free, no obligation market appraisal.
Gareth Powell MARLA
Sales & Lettings Manager
David Cosby MRICS
Principal Director | Building Surveyor
Natasha Cosby MNAEA | Solicitor
Director | Practice Manager
Virginia Church MRICS
Building Surveyor
Sadie Tyson MNAEA
Sales & Lettings Agent
A Professional Lettings Service
Managing a rental property can be demanding, particularly when balancing tenant selection, maintenance, compliance, and day-to-day communication. Our lettings team provides a professional and structured service to support landlords and protect their investment.
We are regulated by both the Royal Institution of Chartered Surveyors and ARLA, giving landlords confidence that their property is managed in line with recognised professional standards.
We have detailed knowledge of the local rental market and can advise on appropriate pricing, marketing, and tenant selection. Our referencing and screening process is designed to help secure suitable tenants who will meet their obligations throughout the tenancy.
Our service covers tenancy documentation, renewals, routine inspections, and maintenance coordination. We work with trusted contractors to address repairs promptly and keep the property in good order, while maintaining clear communication with both landlords and tenants.
If you are seeking a reliable, well-managed lettings service with clear professional oversight, please contact us to discuss how we can help.
Your Local Property Professionals
Testimonials
Latest News and Projects
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.
How Labour’s 2024 Budget Will Shape the UK Property Landscape
Labour’s 2024 budget brings transformative changes to the UK property landscape, targeting increased revenue through tax adjustments aimed at property owners, investors, and tenants. Key measures include a higher stamp duty on second homes, inheritance tax caps, an end to the first-time buyer stamp duty discount, and an increase in capital gains tax. While the policies are intended to encourage homeownership and ensure fairer contributions from high-value estates, they may have unintended effects on the rental market, affordability, and property availability. In this article, we break down each change and its potential impact on property buyers, sellers, landlords, and tenants alike.










































































