House Extension in Cricklewood
Planning a House Extension in Cricklewood? KT5 Construction delivers smart, cost-effective builds with careful planning, transparent pricing and value engineering—so your extra space arrives on time and on budget.
Communication comes first. We keep you updated from concept to handover, ensuring your design, budget and programme stay on track. Learn more at KT5 Constructions.
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 Cricklewood: What to Expect from Local Specialists
Neighbourhood insight – Cricklewood’s housing stock is a mix of period terraces, 1930s semis, maisonettes, and converted flats across Brent, Barnet, and Camden. We tailor plans to maximise space while respecting street character and neighbouring amenity.
End-to-end delivery – One accountable team for design, permissions, build, and finishing—no hand-offs, no confusion.
Fixed pricing & clear programme – Agreed scope, milestone schedule, and regular site reports—so there are no surprises.
Value-engineering – We specify smart materials and details that protect your budget without compromising quality, safety, or longevity.
Extensions We Build in NW2 and Nearby
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Single-storey rear kitchen/dining extensions that open onto the garden
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Side-return and wrap-around layouts for wider, brighter family living
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Double-storey additions for extra bedrooms, bathrooms, or a study
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Loft conversions (dormer, hip-to-gable, mansard) to unlock under-used roofs
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Garden rooms and studios for home-office or leisure space
Every project is planned for buildability, compliance, and neat delivery on lived-in streets.
Our Value-First Approach
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Budget clarity – Fixed-price contracts and transparent payment schedules
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Specification smarts – Balanced recommendations for performance, aesthetics, and lifecycle cost
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Open comms – Detailed programmes, weekly updates, and named contacts
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Aftercare mindset – We build for long-term performance, not short-term fixes
How Your Cricklewood Extension Happens
Consultation & Design Kick-Off (Free Design When You Build with KT5)
We begin with a home or video visit to understand goals, budget, and timeline. Appoint KT5 to build and we’ll include free architectural/structural design to move your scheme forward from day one.
Permissions & Compliance Sorted
We handle the detail so you don’t have to:
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Permitted Development checks and planning applications
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Party Wall coordination (common for terraces/semis)
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Building Control approvals and inspections
Construction & Project Management
Your dedicated site manager coordinates trades, quality checks, and inspections—from groundwork and structure to electrics, plumbing, and finishes—keeping the site tidy and neighbours considered.
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 Cricklewood Homeowners Choose KT5
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Local experience across NW2 and surrounding areas
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No-surprise pricing with fixed scopes
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Rated for punctuality, service, and attention to detail
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Practical, long-lasting solutions that add real value
Make Room for Better Living in Cricklewood
Ready to get started with a House Extension in Cricklewood that’s delivered 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 Cricklewood house extension cost?
Costs 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 Cricklewood?
Many single-storey rear and loft extensions fall under Permitted Development (subject to limits on height, depth, materials, and location). Side-return, wrap-around, mansard or double-storey schemes often require full planning permission. We’ll confirm your route after a quick review and manage all applications.
How long does an extension take?
Indicative programmes (after approvals and design freeze):
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Single-storey rear: ~10–16 weeks
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Wrap-around/side-return: ~14–20 weeks
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Double-storey or complex: ~16–24+ weeks
Timelines depend on scope, access, and finishes; we’ll provide a clear programme before site start.
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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