Residential Building
Residential Building in London & the South East
Home extensions, loft conversions, renovations, basements and new homes — designed, approved and built by one in-house team, from a free survey and a fixed-price quote.
Real Projects
Watch Real Projects Come Together
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
Hear From Our Clients
Real projects, real results — straight from the people we've worked with.
How your project works
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.
Step 1: Initial Consultation & Feasibility
Timeline: 1–3 days
Initial consultation to discuss requirements, ideas and budget.
Step 2: Architectural Design & Drawings
Timeline: 1–4 weeks
Architectural drawings and proposed layouts.
Step 3: Planning Permission
Timeline: 6–12 weeks (estimated)
Planning application preparation and submission.
Step 4: Structural Engineering & Building Regulations
Timeline: 1–3 weeks, depending on complexity
Structural calculations and drawings.
Step 5: Contract & Building Works
Timeline: Typically 4–20+ weeks, depending on project type
Begin construction and manage all building works.
Step 6: Completion & Handover
Final client walkthrough and handover.
For clients who already have architectural drawings and require a construction contractor.
Step 1: Submit Your Drawings
Timeline: 1 day
Upload architectural and structural drawings.
Step 2: Site Survey & Consultation
Timeline: 1–3 days
Site inspection and measurements.
Step 3: Detailed Construction Quotation
Timeline: 1–5 working days
Labour, materials and project specifications.
Step 4: Contract & Project Planning
Timeline: 1–5 working days following agreement, subject to readiness
Agree the final quotation and sign the JCT contract.
Step 5: Building Works
Timeline: Typically 4–20+ weeks, depending on project type
Full construction management and quality control.
Step 6: Completion & Handover
Final handover to the customer.
All timelines are indicative. Your project-specific schedule is confirmed before construction.
Residential Building
One Team, From Drawings to Handover
LINX Design and Build designs, gets planning approval for and builds home extensions, loft conversions, renovations, basements and new homes across London and the South East. One in-house team takes each project from the first drawings to handover, and every project starts with a free survey and a fixed-price quote.
- Established
- 2017
- Projects completed
- 800+
- Structural guarantee
- 10 years
- Average review score
- 4.9/5
Our services
Residential Services
Starting prices and typical build times come from the same table as each service page. Choose a service to see what is included, how it is planned and what it costs.
Home Extensions
From £60,000 · 12–16 weeks
Loft Conversions
From £55,000 · 10–14 weeks
Renovations
From £40,000 · 14–22 weeks
Basements
From £28,000 · 8–12 weeks
New Build Homes
From £160,000 · 24–40 weeks
Remodelling
From £25,000 · 6–10 weeks
Flat Conversions
From £28,000 · 8–12 weeks
Garden Rooms & Outbuildings
From £5,000 · 4–8 weeks
Home Offices & Studio Pods
Price on application · 4–8 weeks
Landscaping & Outdoor Construction
Electrical Services
Insurance Claims & Reinstatement
Every residential page
All Residential Services
Starting prices and typical build times for every residential service. Each page sets out what is included, how the work is planned and what it costs.
- Home ExtensionsFrom £60,000 · 12–16 weeks
- Loft ConversionsFrom £55,000 · 10–14 weeks
- RenovationsFrom £40,000 · 14–22 weeks
- BasementsFrom £28,000 · 8–12 weeks
- New Build HomesFrom £160,000 · 24–40 weeks
- Flat ConversionsFrom £28,000 · 8–12 weeks
- RemodellingFrom £25,000 · 6–10 weeks
- Landscaping & Outdoor ConstructionPrice on application
- Garden Rooms & OutbuildingsFrom £5,000 · 4–8 weeks
- Home Offices & Studio PodsPrice on application · 4–8 weeks
- Electrical ServicesPrice on application
- ICF ConstructionPrice on application
- SFS ConstructionPrice on application
- Insurance Claims & ReinstatementPrice on application
Our work
Recent Residential Projects
Yes. LINX Design and Build designs, gets planning approval for and builds every kind of residential project, so one in-house team takes your home from the first drawings to handover.
Every project starts with a free survey and a fixed-price quote. Starting prices and typical build times for each service are listed above and on each service page, so you know the likely range before we visit.
Structural work is covered by our workmanship guarantee, and every project is fully insured.
We work across London and the South East.
Start your project
Planning a Home Project?
Tell us what you have in mind. We'll arrange a free survey and give you a fixed-price quote.