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A bespoke natural wood and glass dining table in a dining room house extension with grey patio doors

House extensions tailored for your lifestyle in Tadworth

Double and single-storey options. Seamless integration with your property. Planning, design, and build fully managed.

Our exceptional qualities

Garage conversions and outhouses

Practical solutions to maximise usable space and improve functionality.

Loft conversions for extra living space

Efficiently designed rooms that add valuable living area to your home.

Open-plan and kitchen expansions

Modern layouts that create brighter, more connected living spaces.

Expand your home with confidence

When you want more room for a growing family or a flexible space to work from home, our house extensions help you make the most of your property. We take care of everything from single and double storey builds to loft and garage conversions, creating new spaces such as kitchens, living rooms, home offices or gyms. 

 

KN Carpentry & Joinery Limited has longstanding knowledge of local homes and uses carefully sourced materials along with proven building approaches. Your extension is not simply extra square footage; it can truly change your day-to-day living. We work with you to ensure every new space complements your home’s character and feels like a natural part of it.

Spacious kitchen extension with central island seating and roof lantern
Installation of loft boards and replacement of loft insulation Kieran and Harry provided a fabulously outstanding level of service. They not only made us so happy with the finished product, but they were an absolute joy to have around whilst the job was being completed. From our initial discussions together regarding the job concerned - Kieran went above and beyond to understand our needs, and also to ensure that everything was thoroughly explained to us before starting - providing us with detailed drawings and quotes. With Kieran being at the helm, I just knew from the start that we were in the best, most trustworthy, and safest hands for the job.
A house extension with open plan living area, featuring skylights, dining space and garden access

What you gain with our house extensions

  • Add functional space for kitchens, living rooms, bedrooms and more

  • Single and double-storey builds to suit the property

  • Garage and loft conversions make use of underused areas

  • Outhouses, garden cabins and summer rooms built to purpose

  • Extension matches your home’s style and architecture

  • Planning, design, and build – all managed fully

  • Robust construction and carefully selected materials

  • Each solution is tailored to fit your needs and budget 

​Flexible solutions for different spaces and budgets

Every extension is individually designed to match your lifestyle, whether that’s a practical utility room, a playroom, or a bright garden-facing living area. Our experience covers creating new hobby rooms, annexes, summerhouses and office cabins to meet a variety of requirements. 

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KN Carpentry & Joinery Limited is experienced in developing open-plan designs and expanded kitchens for spacious modern living. Each project is managed in full, so you can relax, knowing your investment is handled by the same team from start to finish. No two homes are the same, so your plans are shaped entirely around you. Contact us today to discuss your ideas and requirements.

Contemporary rear house extension with sliding doors and outdoor seating area

Space that fits your home

Call us today for expert house extensions and tailored builds.

Opening hours

Monday – Saturday: 09:00 - 17:00

Sunday: Closed

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KN CARPENTRY & JOINERY LIMITED, registered as a limited company in England and Wales under company number: 13569953.


Registered Company Address: Flat 9 Crown House, Chequers Lane, Tadworth, England, KT20 7ST.

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