House Extension in East Ham
As one of London’s trusted extension specialists, KT5 Construction delivers a smarter, cost-effective way to expand your home in East Ham. From first sketches to final handover, we combine careful planning, transparent pricing, and practical cost-saving strategies—so you get the space you need without the headache or overspend.
At KT5 Construction, clear communication underpins everything we do. We keep you informed at every stage so your vision stays on track.
What We Do
Building Construction
New Builds, Extensions, Conversions, Renovations
General Building
Property Maintenance, Handyman Service, Decorating
Design
Planning, Design, Project Management, Quality Checking
East Ham House Extensions, Done Right
Why Choose KT5 Construction for Your East Ham Project?
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Local know-how – We understand East Ham’s housing stock—Victorian/Edwardian terraces, 1930s semis, and post-war homes—and design to maximise space while respecting street character.
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End-to-end delivery – One accountable team for concept, permissions, construction, and finishing.
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Fixed costs, clear programme – Agreed scope, transparent schedule, and regular progress updates.
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Value engineering – Smarter specifications that stretch your budget without compromising safety, quality, or longevity.
Extensions We Deliver in East Ham & Nearby
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Single-storey rear kitchen/dining extensions that open to the garden
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Side-return and wrap-around layouts to unlock family living space in terraces
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Double-storey additions for extra bedrooms and bathrooms
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Loft conversions and dormers to make the most of attic footprints
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Garden rooms and orangeries for flexible home-office or leisure space
Every project is planned for quality, value, and compliance in established residential streets.
How We Keep Budgets on Track
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Budget clarity – Fixed-price contracts to avoid hidden extras
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Specification smarts – Recommendations balancing aesthetics, performance, and lifecycle cost
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Transparent comms – Detailed programmes, site updates, and clear payment schedules
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Aftercare mindset – Built for long-term performance, not short-term fixes
Explore our service overview: House Extension in East Ham.
Your Extension, Step by Step
Initial Consultation & Free Design Offer
We begin with a home or video visit to understand your goals, budget, and timeline. Choose KT5 as your builder and we’ll include free architectural/structural design to get your scheme moving from day one.
Planning & Permission
We handle permitted development checks, planning applications, party wall coordination, and building control approvals—streamlining the paperwork 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 site and a high-standard result.
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 East Ham Homeowners Choose KT5 Construction
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Local experience across East Ham and East London
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No-surprise pricing with clear payment schedules
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Rated for punctuality, service, and attention to detail
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Smart, long-term solutions that add real value
Create the Room You’ve Been Missing
Ready to plan a House Extension in East Ham that’s on time and on budget? KT5 Construction is here to help. Book your free consultation to discover how we can save you time, money, and stress—while building the home you’ve always wanted.
Frequently Asked Questions
How much does a house extension in East Ham cost?
Budgets vary by size, design, 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 premium finishes and complex structures
We provide fixed pricing and can phase works to suit your budget.
Do I need planning permission for an extension in East Ham?
Many single-storey rear extensions fall under permitted development, but this depends on size, height, and previous alterations. We’ll confirm your route, manage applications where required, and liaise with building control.
How long does an extension take?
A typical single-storey extension takes 10–16 weeks from groundworks to finishes, depending on scope, access, and specification. Two-storey and wrap-around schemes take longer. You’ll receive a detailed programme before work begins.
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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