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Free assessment · No obligation
Real Projects
See the work behind the finish — on-site, walkthroughs and start to handover.
4.9★ from 500+ reviews on Google, Houzz, Reviews.io & TrustATrader
Client Stories
Real projects, real results — straight from the people we've worked with.
Six clear stages, from first enquiry to completion — whether we design and build, or build from your drawings.
For clients who need the whole project managed: design, planning, building regulations and construction, from initial enquiry through to completion.
Timeline: 1–3 days
Initial consultation to discuss requirements, ideas and budget.
Timeline: 1–4 weeks
Architectural drawings and proposed layouts.
Timeline: 6–12 weeks (estimated)
Planning application preparation and submission.
Timeline: 1–3 weeks, depending on complexity
Structural calculations and drawings.
Timeline: Typically 4–20+ weeks, depending on project type
Begin construction and manage all building works.
Final client walkthrough and handover.
For clients who already have architectural drawings and require a construction contractor.
Timeline: 1 day
Upload architectural and structural drawings.
Timeline: 1–3 days
Site inspection and measurements.
Timeline: 1–5 working days
Labour, materials and project specifications.
Timeline: 1–5 working days following agreement, subject to readiness
Agree the final quotation and sign the JCT contract.
Timeline: Typically 4–20+ weeks, depending on project type
Full construction management and quality control.
Final handover to the customer.
All timelines are indicative. Your project-specific schedule is confirmed before construction.
Six steps from first call to handover — see how your project works.
Our Services
Whether you wish to expand your living space, craft a home cinema, or fashion a snug retreat, our skilled team manages every aspect from design to construction, prioritising quality workmanship and meticulous attention to detail.
With a dedication to structural integrity and innovative use of space, we transform your basement into a valuable house extension, enhancing both the comfort and worth of your home.


Free Design Consultation
Talk your project through with Thomas Phillips, our Head of Design. Get honest advice on what you can build, planning, budget and next steps — pick a time that suits you.
Book with ThomasFull transparency
Convert existing spaces such as garages, basements and outbuildings into functional, habitable rooms.
Typically includes
How You Pay
No large upfront deposits. You pay in stages as work is completed, inspected and approved by your project manager.
Adjust the slider to see how milestone payments break down for your project budget.
Your Project Value
Illustrative Example — The amounts shown below are based on a £55,000 project for illustration purposes only. Your actual payment schedule will be tailored to your specific project scope, specifications and agreed contract value. Milestone percentages remain consistent across all project sizes.
£5,500
Contract signed, design finalised & demolition scheduled
£5,500
Full internal strip-out, waste removed & structural opening prepared
£8,250
Wall removals, steel beams, floor strengthening & underpinning
£8,250
Full rewire, re-plumb, heating system & underfloor heating
£5,500
All surfaces plastered, insulation upgraded & walls dried
£8,250
Kitchen installed, bathrooms fitted, tiling & waterproofing
£8,250
Flooring, doors, skirting, architraves, painting & finishes
£5,500
Final snagging, deep clean, Building Control sign-off & handover
No obligation • Free consultation • Reply within 24 hours
Get started today
Get a free, no-obligation quote today. Our experts are ready to transform your basement into a valuable living space.






Featured projects
What we do
From the first sketch to the final handover: architecture, residential, commercial and new builds, delivered under one accountable roof.

Residential
Rear, side, wrap-around and double-storey, planned, approved and built by one team.

Residential
Dormer, hip-to-gable and mansard lofts, with en-suites and storage built in.

Residential
Whole-home refurbishments, from period restorations to full structural overhauls.

Architecture
Planning drawings, structural calculations, building regulations and 3D visualisations.

New Builds
Ground-up new homes and land-led developments, delivered end to end.

Commercial
Offices, retail, restaurants, gyms and clinics: Cat A and Cat B fit-outs with end-to-end M&E.
Looking for something specific?
Explore all services4.9★ from 500+ reviews
Read what our customers say about our services
★★★★★
Our new loft conversion has us utterly thrilled! Our underused attic was turned by the Linx team into a lovely, light-filled, and cosy area that is ideal for living, working, and unwinding. The workmanship, craftsmanship, and attention to detail were superb. Everything fits in well with the rest of our house. Excellent outcomes and service. Strongly suggested!
Jordan R. · Reviews.io ·
★★★★★
Our expectations were surpassed by LINX Design's outstanding office and warehouse development. The crew showed exceptional professionalism, technical know-how, and attention to detail from the first free site evaluation to the last handover. We had total confidence from the start thanks to the fixed-price quote, and the job was handled effectively all along the way. Their seamless integration of design, fabrication, and installation services produced a contemporary, useful, and aesthetically pleasing workstation. Every element of the construction demonstrates the high calibre of workmanship, and the warranty added even more assurance. We are thrilled with the completed building and would heartily suggest LINX Design for any commercial or industrial building project.
Alexander O. · Reviews.io ·
★★★★★
The phase of architectural design and drawings was overseen with remarkable skill and meticulousness. After conducting a thorough property survey, excellent architectural drawings and suggested layouts were created. The team meticulously took into account every comment, producing design changes quickly and guaranteeing a smooth approval process all along the way. Thanks, Linx Owner Gary Pal and your all Guys!!!
Michael B. · Reviews.io ·
★★★★★
LINX Design and Build completed our loft conversion to an exceptional standard and delivered everything on schedule. The team provided clear daily updates, maintained a clean and safe worksite, and demonstrated outstanding craftsmanship throughout the project. Our dedicated project manager ensured a smooth, stress-free experience. We highly recommend their renovation services.
Robert P. · Reviews.io ·
★★★★★
Outstanding service from LINX Design and Build. From the initial consultation to the final handover, the team was professional, knowledgeable, and hardworking. Their commitment to quality, innovation, and customer satisfaction was evident throughout the project. Every aspect of the build was completed with care and precision, resulting in a finished home that exceeded our expectations. We highly recommend LINX Design and Build for anyone looking for a trustworthy and experienced building company.
Joseph P. · Reviews.io ·
★★★★★
We are extremely happy with our kitchen infill extension and renovation. The team was professional, friendly, and reliable throughout. Their workmanship and attention to detail were excellent, transforming our space beautifully. Highly recommended for quality, service, and outstanding results!
James K. · Reviews.io ·
AUTHORISED SUPPLIERS








Our team
An in-house team delivering every project from first sketch to final handover — backed by 60+ tradesmen on site.
Basement conversions start from £28,000, and your price is fixed and guaranteed in writing.
A basement conversion typically takes 8–12 weeks. All timelines are indicative, and your own schedule is confirmed before construction.
Whether you want more living space, a home cinema or a snug retreat, we manage every aspect from design to construction and turn the basement into a valuable extension of your home.
It typically includes a structural assessment and preparation, damp-proofing and insulation, electrical and plumbing installation, flooring and wall finishes, windows and doors, heating and ventilation, and decoration through to completion.
Yes. You can book a free, no-obligation consultation with Thomas Phillips, our Head of Design, by video, phone or in person, for honest advice on what you can build, planning, budget and next steps.
Yes. Our basement work carries a workmanship guarantee, and we are fully insured.