House Extension in Newham
Create more space without the stress. As one of London’s trusted extension specialists, KT5 Construction delivers a smarter, cost-controlled way to expand your Newham home—pairing thoughtful design with practical build methods to keep programmes tight and budgets on track.
At KT5 Construction, communication comes first. You’ll get clear scopes, transparent pricing, and regular updates from day one to handover.
What We Do
Building Construction
New Builds, Extensions, Conversions, Renovations
General Building
Property Maintenance, Handyman Service, Decorating
Design
Planning, Design, Project Management, Quality Checking
House Extension in Newham: What to Expect From a Specialist Team
Why Choose KT5 for Your Newham Project?
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Local insight, tailored design – From Victorian/Edwardian terraces in Forest Gate and Plaistow to 1930s semis in East Ham and modern homes around Stratford and the Royal Docks, we design to maximise light, storage, and liveable space—while respecting streetscapes and neighbours.
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Single accountable partner – One team for surveys, drawings, permissions, construction, and finishes.
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Fixed costs & clear programme – Agreed scope, staged payments, and milestone updates—no surprises.
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Value engineering – Smart specifications that stretch your budget without compromising safety, durability, or regulation compliance.
Extensions We Deliver Across Newham
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Single-storey kitchen/dining extensions that open to the garden
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Side-return and wrap-around layouts to unlock family living space
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Double-storey additions for extra bedrooms, ensuites, and storage
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Loft conversions and dormers to maximise under-used roof space
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Garden rooms & orangeries for home offices, studios, or playrooms
Every scheme is planned for buildability, compliance, and long-term performance—ideal for established streets and tight urban plots.
Our Value-First Approach
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Budget clarity – Fixed-price contracts and itemised proposals
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Specification smarts – Balanced choices for aesthetics, energy performance, and lifecycle cost
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Transparent comms – Detailed programme, site reports, and clear payment schedule
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Aftercare mindset – Robust finishes and handover packs for easy maintenance
How the Process Works
Consultation & Free Design Starter
We begin with a home or video visit to define goals, budget, and timings. Choose KT5 as your builder and we’ll include architectural/structural design at no additional cost to move your scheme forward quickly.
Planning & Compliance
We handle permitted development checks, planning applications, party wall coordination, and building control approvals—streamlining paperwork so you don’t have to.
Construction & Project Management
A dedicated site manager coordinates trades, inspections, and quality checks—from groundwork and structure to electrics, plumbing, and finishes—so your extension is delivered safely, neatly, and to a high standard.
Handover & Aftercare
Snagging, certification, warranties, and maintenance guidance—everything packaged for a smooth move-in.
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 Newham Homeowners Choose KT5 Construction
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Proven delivery across Newham (Stratford, East Ham, Forest Gate, Plaistow, Canning Town, Beckton, Manor Park, Upton Park, Custom House, Silvertown, Royal Docks)
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No-surprise pricing with staged payments
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Programme discipline and tidy sites
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Design-led, cost-aware decisions that add real value
Plan Your House Extension in Newham—Start with a Free Consultation
Ready to create more space with confidence? Partner with KT5 Construction — your design-and-build specialists—for fixed, transparent pricing, disciplined programmes, and value-engineered choices. Book your free consultation to discover how we deliver a high-quality House Extension in Newham that saves time, controls cost, and fits your lifestyle.
Frequently Asked Questions
How much does a Newham 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 Newham?
Many rear and side extensions may fall under Permitted Development (subject to limits on size, height, materials, and location). Properties in conservation areas, flats/maisonettes, or Article 4 streets typically need full planning. We confirm your route and manage the application.
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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