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House Extensions and Renovations Across London & the South East

From Wimbledon to West Malling, Ryan & Sons proudly delivers trusted building services across London, Kent, and the South East. Whether you’re planning a full house refurbishment in Clapham, a kitchen extension in Tunbridge Wells, or a loft conversion in Bromley, our team is ready to help you build, extend, and transform your home—wherever you are.

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What Our Clients Say — Real Results, Real Praise

“Ryan & Sons responded quickly to our enquiry and had someone round for a site visit the same week. Their professionalism and honest advice gave us total peace of mind before we even signed a contract.”

Helen J, Bromley

“We contacted Ryan & Sons about a rear extension in Tunbridge Wells. From the first call to the finished build, communication was excellent. The project ran smoothly and finished ahead of schedule.”

James T, Tunbridge Wells

Got Questions? We’ve Got Straightforward Answers

Whether you’re planning a house extension, a complete home renovation, or simply exploring your options, our FAQ section covers the essentials—from timelines to planning permission and costs. If you can’t find what you need, please don’t hesitate to call—we’re here to help.

Simply contact us through the form, phone, or email. We’ll arrange a free consultation—either on-site or virtual—where we discuss your goals, measure up, and advise on potential designs, materials, and costs. We’ll then provide a transparent quote tailored to your extension or refurbishment project. vary depending on size, complexity, and weather conditions, but most newly built houses take around 4 to 6 months to complete. For larger developments or bespoke designs, it may extend up to 12 months. At Ryan & Sons, we manage every step of the construction process to keep things on schedule, so you’re ready to move into your energy-efficient new home without unnecessary delays. Our team works across the UK, delivering quality homes built in accordance with the latest energy efficiency standards and the New Homes Quality Code.

We work across London, Kent, and the South East, covering key areas like Wimbledon, Clapham, Bromley, Finchley, Tunbridge Wells, and West Malling. If you’re unsure, get in touch—we’ll confirm if we service your postcode and arrange a visit if needed.

Yes. Whether you need approval for a side extension or are working under permitted development rules, we can guide you through the planning application process. We’ll also liaise with your local authority and ensure all works meet building regulations.

Timelines depend on the size and type of project. A standard single-storey extension usually takes 10–14 weeks, while full house refurbishments or two-storey extensions may take 3–6 months. We provide detailed timelines before we begin and keep you updated throughout.

Our team is always happy to help—whether you’re planning your next project or just need honest advice from a trusted builder.