House Extension in Reigate
Create the space you’ve been imagining—without the stress. As one of Surrey’s trusted extension specialists, KT5 Construction delivers a smarter, cost-effective way to grow your home in Reigate. From first ideas to final handover, we combine thoughtful design, transparent pricing, and practical cost-saving strategies so you get more value per square metre.
At KT5, clear communication underpins everything we do. You’ll know exactly what’s happening, what’s next, and what it costs—every step of the way.
What We Do
Building Construction
New Builds, Extensions, Conversions, Renovations
General Building
Property Maintenance, Handyman Service, Decorating
Design
Planning, Design, Project Management, Quality Checking
Your Reigate Extension, Done Right
Why choose KT5 Constructions for your Reigate project?
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Local insight – We understand Reigate’s housing mix—from Victorian/Edwardian terraces to 1930s semis and modern infill—and design extensions that maximise space while respecting streetscape and, where relevant, conservation guidance.
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Single accountable team – One coordinated team for design, permissions, build, and finishing.
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Fixed costs, clear programme – Agreed scope, transparent timelines, and regular progress updates—no surprises.
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Value engineering – Smarter specifications that stretch your budget without compromising quality, safety, or longevity.
Extensions We Deliver Across Reigate & Nearby
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Single-storey rear kitchen/dining extensions
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Side-return and wrap-around layouts to unlock family living space
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Double-storey additions for new bedrooms and bathrooms
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Loft conversions and dormers to use your roof volume intelligently
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Garden rooms/orangeries for flexible office, studio, or leisure space
Every scheme is planned with quality, compliance, and neighbourly delivery in mind—ideal for established residential streets across Reigate, Redhill, and the wider RH1/RH2 area.
A Value-Led Way to Build
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Budget clarity – Fixed-price contracts and itemised inclusions to prevent scope creep.
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Specification smarts – Recommendations that balance look, performance, and lifecycle costs.
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Open comms – Detailed programmes, weekly site updates, and clear payment schedules.
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Aftercare mindset – Built for long-term performance, not short-term fixes.
How Your Extension Takes Shape
Consultation & Free Design Offer
We start with a home or video visit to understand goals, budget, and timescales. Choose KT5 as your builder and we’ll include free architectural/structural design to move your scheme forward from day one.
Planning & Permissions
We manage permitted development checks, planning applications, party wall matters, and building control approvals—streamlining paperwork with Reigate & Banstead processes so you don’t have to.
Construction & Project Management
Your dedicated site manager coordinates trades, inspections, and quality checks—from groundwork and structure to electrics, plumbing, and finishes—delivering a tidy, safe site and a high-standard finish.
Client Testimonials
“You made it so simple” – Just wanted to say thank you for making what I thought would be a difficult process much easier than I had imagined.
Thank you for my brand new house! The refurbishment and attention to detail makes it feel like a brand new house, but without the expensive cost of moving.
Just wanted to thank you for the work carried out to my new bathroom, I will definitely be in touch shortly to talk about my proposed kitchen extension.
Why Reigate Homeowners Choose KT5 Construction
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Proven local experience across Reigate and Surrey
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No-surprise pricing and sensible payment schedules
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Rated for punctuality, service, and attention to detail
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Smart, durable solutions that add real long-term value
Reigate Extension Experts—Design to Delivery
Frequently Asked Questions
How much does a Reigate house extension cost?
Costs vary by size, design complexity, and specification. As a guide:
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£1,800–£2,500 per m² for well-specified standard builds
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£2,800+ per m² for high-spec finishes or complex structures
We provide fixed pricing and can phase works to suit your budget.
Do I need planning permission for an extension in Reigate?
Many projects fall under permitted development; others—especially in conservation areas or for larger additions—need planning consent. We’ll confirm PD eligibility, handle applications, and liaise with building control and party wall surveyors where required.
How long does an extension take?
Typical timelines (subject to scope and season):
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Single-storey: ~10–16 weeks
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Double-storey / structural reconfiguration: ~16–28 weeks
Your programme will be agreed up-front and updated throughout the build.
Our Services
House Extensions
KT5 Construction provides professional house or Property Renovations Services in Ash, tailored to your unique needs. Whether you’re expanding your kitchen or creating an open-plan living area, we deliver high-quality results.
Kitchen Refurbishment
At KT5 Construction, we are specialists in kitchen refurbishment in Surrey and surrounding areas, delivering bespoke designs that enhance your living space and add value to your home.
Loft Conversions
At KT5 Construction, we specialise in creating stunning loft conversions in Surrey that add space, value, and style to your home. From dormer loft conversions to luxury loft designs, our expert team handles every detail with professionalism and precision.
Groundworks
At KT5 Construction, we pride ourselves on being the go-to groundwork Company in London, delivering top-quality services for residential and commercial projects.
Bathroom Design & Installation
Your bathroom should be more than just functional—it should reflect your personal style and offer a space to unwind. At KT5 Construction, we specialise in Surrey bathroom design and installation, delivering tailored solutions that blend elegance, practicality, and luxury.
Property Refurbishment
Our Ewell Road Surbiton Project showcases the full spectrum of our refurbishment expertise. By managing every detail, from architectural consultation to final finishes, KT5 ensures each element meets the highest standards.
New Build Homes
As a trusted New Build Builder in Surrey, KT5 Construction has been at the forefront of creating bespoke, high-quality homes designed to meet modern living standards.
Architecture & Design
Expert architectural planning & creative design solutions for residential and commercial projects in Surrey & London.
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