KITCHEN EXTENSION LONDON
H1: Kitchen Extension London – Modern Open-Plan Kitchen & Dining Extensions | LASTING LTD
Expand your home with a modern, spacious and light-filled kitchen extension.
LASTING LTD specialises in designing and building premium kitchen extensions across London, combining structural work, extensions, RSJ installation, glazing and full kitchen renovation.
Kitchen extensions dramatically improve the value of your home and transform the way you live, cook and entertain.
Rear Extensions • Side Return Extensions • Wrap-Around Extensions • Structural Works
Fully insured • NHBC-registered • Free site visit & quotation
Why Build a Kitchen Extension?
A kitchen extension creates a modern, open-plan living space:
Large kitchen + dining + living area
More natural light
Perfect for family & entertaining
Adds 15–30% to property value
Custom layouts with islands or peninsulas
Space for premium appliances
Bi-fold / sliding doors to the garden
Types of Kitchen Extensions We Build
1. Rear Kitchen Extension (Most Popular)
Perfect for:
Large kitchen diners
Islands
Garden access
Roof lanterns / skylights
2. Side Return Kitchen Extension
Benefits:
Expands narrow London kitchens
Adds width and natural light
Works well with Victorian/Edwardian houses
3. Wrap-Around Kitchen Extension (L-Shaped)
Combines rear + side return for maximum space.
Creates:
Large open-plan living
Multiple zones
Feature island kitchens
4. Kitchen Extension with RSJ Open-Plan Layout
We specialise in:
Removing load-bearing walls
Installing RSJ beams
Creating wide open spaces
Kitchen Extension Cost in 2025 (London Pricing)
| Type of Kitchen Extension | Typical Cost |
|---|---|
| Rear Kitchen Extension (Single Storey) | £35,000 – £65,000 |
| Side Return Kitchen Extension | £25,000 – £45,000 |
| Wrap-Around (L-Shaped) | £70,000 – £140,000 |
| Double-Storey Kitchen Extension | £60,000 – £120,000 |
| Open-Plan RSJ Structural Works | £3,500 – £12,000 |
Prices include: Labour & materials Structural works & RSJ beams Roof, brickwork, insulation Plumbing & electrics Flooring & plastering Bi-fold/sliding doors Project management
CTA: Request a Personalised Kitchen Extension Quote
What’s Included in a Kitchen Extension Build
STRUCTURAL
Foundations
Brickwork & blockwork
RSJ installation
Roof lanterns / skylights
Insulation & waterproofing
KITCHEN WORKS
Full kitchen renovation
Cabinet installation
Worktops (quartz, granite, laminate)
Plumbing & drainage
Electrics & lighting
FINISHING
Plastering
Painting
Flooring (tiles, LVT, wood)
Skirting, architraves
Bi-fold/sliding doors
MANAGEMENT
Planning permission support
Architectural drawings (optional)
Building Control compliance
Certificates & handover
Timeline for a Kitchen Extension
Planning + drawings: 2–8 weeks
Building shell: 3–6 weeks
Roof + glazing: 1–3 weeks
Interior finishing: 3–6 weeks
Total: 8–14+ weeks
Benefits of a Kitchen Extension
Large, modern family space
More natural light with skylights
Increase property value
Open-plan living
Space for islands, breakfast bars
Indoor-outdoor living with bi-folds
Areas We Cover
North London
East London
West London
Enfield
Barnet
Haringey
Walthamstow
Tottenham
Edmonton
Palmers Green
Finchley
Muswell Hill
Start Your Kitchen Extension Project Today
LASTING LTD delivers premium kitchen extensions with structural precision, modern design and high-quality finishing.
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LASTING LTD
Premium property renovation & construction company in London.
WhatsApp:
07448 886776
info@lastingltd.com
Office Address
London
34 Pine House
9 Droop Street
W10 4EJ
