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Garden patio with seating area

HOUSE EXTENSIONS & CONVERSIONS IN BERKSHIRE

At KAS Construction & Project Management Ltd, we specialise in house extensions and conversions in Windsor and Berkshire that add space, value, and style to your home. With over 30 years of experience, we handle everything from design to build, keeping things smooth and stress-free. Every project is tailored to your vision and backed by our commitment to quality.

Reach out for a free consultation and build something great together.

WE ARE SPECIALISTS

FREE CONSULTATION

FAMILY RUN BUSINESS

BESPOKE HOUSE EXTENSIONS

We specialise in building house extensions of all sizes, from single-storey to multi-level builds. Every project is designed to match your existing home seamlessly. Our team handles the whole process—from initial design and planning permission to final finishes—creating functional, attractive spaces that blend perfectly with your property.

Modern living room and dining area

STRESS-FREE LOFT CONVERSIONS

Our loft conversion services help you transform unused attic space into a comfortable, stylish room. Whether you want a skylight, dormer, or mansard conversion, we'll tailor the design to your needs. We manage the entire project, including planning, building control, bathroom installations, and finishing touches.

Cozy modern interior space
Grey garage door with windows

GARAGE CONVERSIONS THAT ADD VALUE

We turn underused garages into liveable spaces such as home offices, guest rooms, or playrooms. Every garage conversion is completed with meticulous attention to detail and complies fully with regulations. Our team ensures the final result is practical and beautifully integrated into your home.

SEAMLESS PROJECT MANAGEMENT

We manage your house extension or conversion project from concept to completion with expert oversight. We ensure your build is on time, within budget, and carried out with minimal disruption. Our reputation is built on trust, quality, and delivering spaces that enhance everyday living.

CALL TODAY TO TRANSFORM YOUR SPACE

Our house extensions and conversions are carefully planned and beautifully built to suit your lifestyle and property.

Man inspecting skylights indoors

CONTACT US

5 Jardine House Bessborough Rd, Harrow, Middlesex, HA1 3EX

BUSINESS HOURS

Monday – Saturday: 07:30 - 18:00

Sunday : Closed

CONNECT WITH US

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KAS CONSTRUCTION & PROJECT MANAGEMENT LTD, registered as a limited company in England and Wales under company number: 09531406.
Registered Company Address: 5 Jardine House, Harrovian Business Village, Bessborough Road, Harrow-On-The-Hill, Middlesex, United Kingdom, HA1 3EX.

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