07387 552703

Construction services you can rely on

Extensions, Roofing & Conservatory Warm Roofs Across the South East

Quality Construction, Done Properly

We know property work can feel stressful — unclear pricing, unreliable timelines, and poor communication. That’s where KC Construction stands apart.

Whether you’re improving your home, repairing an existing structure, or upgrading for long-term value, we handle every detail with care, professionalism, and clear communication from start to finish.

Extensions – Single-storey and structural extensions built to last

Roofing – New roofs, repairs, flat roofs, fascias & soffits

Conservatory Warm Roofs – Year-round comfort and improved efficiency

What You Get:

Property improvement projects can feel stressful — unclear pricing, unreliable contractors, and long delays are common concerns for homeowners.

At KC Construction, we take a straightforward, well-managed approach. From the first site visit to the final handover, we focus on clear communication, reliable scheduling, and quality workmanship you can trust..

Clear, Written Quotes
Planned Timelines
Experienced Craftmanship
Respect For Your Home
Fully Insured Work

Where it All Started:

KC Construction was built on a simple principle: homeowners deserve reliable workmanship, clear communication, and projects delivered as promised.

After years of seeing property work delayed, poorly managed, or left unfinished, we set out to do things properly — with transparent pricing, realistic timelines, and pride in every job we take on.

Today, we bring that same straightforward approach to every extension, roof, and warm roof project we complete across Buckinghamshire, Oxfordshire, Hertfordshire, and Berkshire.

A Straightforward Construction Process

We approach every project with careful planning, honest advice, and attention to detail. Our focus is on doing the work properly — using proven materials, skilled workmanship, and clear communication throughout.

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Property Improvements, Managed From Start to Finish

From initial survey to final completion, we handle every detail — so you can upgrade your home without the stress.

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Built With Care and Attention to Detail

Every project we take on is carefully planned and professionally built, with a focus on quality workmanship, clean finishes, and long-term durability.

Built for Everyday Living

We deliver practical, well-built extensions that improve how homes are used — with solid construction, clean finishes, and attention to detail throughout.

Attention to Detail at Every Level

From structural preparation to final waterproofing, every detail is handled with care and precision.

Reliable Roofing, Built to Last

We carry out roofing work with careful preparation, quality materials, and attention to detail to ensure long-term protection and durability.

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Kyle Cairnie

Property Improvement Specialists

KC Construction is a hands-on team of skilled tradespeople specialising in extensions, roofing, and conservatory warm roof installations.

We take a practical, well-managed approach to every project — handling planning, coordination, and on-site work with clear communication and attention to detail. From the initial survey to final completion, your project is managed properly, without confusion or unnecessary delays.

What Our Customers Say

Kyle and the team were great. A great job done and a quick turnaround too, which was really appreciated. We now have our patio doors working again and can have them open whilst we’re blessed with this lovely weather. Thanks again so much.

Peter,

Witney, 3 months ago

Kyle and the team did a fantastic job installing our conservatory. I was very impressed with the speed, dedication to the job, and professionalism. Kyle explained the process end to end, suggested some great ideas to finish the job perfectly, and regularly kept in contact. I would definitely recommend.

Dillion,

Aylesbury, 6 months ago

Kyle and his team were excellent from start to finish. We were kept informed all the way through the process even when the doors were not going to meet the original install date. Their work was first class, quick, clean and efficient will definitely use them again. Thank you.