Timelines vary depending on the size and complexity of the project. A single-storey extension usually takes around 8–12 weeks, while full renovations can range from 4 weeks to several months. We’ll give you a realistic schedule during your consultation.

Not always. Many extensions fall under permitted development rights. However, if your plans are more complex or your property is in a conservation area or listed, planning permission may be required. We can advise and manage the application if needed.

Yes. A professionally built extension or well-planned renovation can significantly increase your property’s market value and appeal to future buyers or tenants.

In many cases, yes — especially for single-storey extensions or phased renovations. However, for major structural changes, you may need to temporarily vacate. We'll always discuss logistics and work around your comfort wherever possible.

Absolutely. Clarkson Builders provides a full-service solution including certified electricians, plumbers, plasterers, and finishers — so you don’t have to juggle multiple contractors.

That’s our speciality. We use carefully sourced materials and thoughtful design to ensure the extension looks seamless and in keeping with the original style of your home.

Costs vary depending on your design, materials, and scope of work. We offer detailed, transparent quotes after your site visit so you know exactly what to expect — with no hidden fees.