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Extensions

How Much Does a House Extension Cost in Kent in 2026?

17 Feb 2026

Updated cost guide for single-storey, two-storey and wrap-around extensions in Kent, with real project pricing.

Planning a building project in Kent involves more than picking finishes. Local planning rules, ground conditions, conservation considerations and the realities of working in period properties all shape how a project unfolds.

What to consider

At Tembok we walk every site before quoting and explain exactly what's needed, how long it will take and what it will cost. Our approach is to make the process transparent so you can make informed decisions about your home.

Our recommendation

Whether you're weighing up options or ready to start, the best first step is a free site visit. We'll give you honest advice on whether your idea is feasible, what permissions are needed and a realistic budget range.

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