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:
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Large kitchen diners
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Islands
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Garden access
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Roof lanterns / skylights
2. Side Return Kitchen Extension
Benefits:
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Expands narrow London kitchens
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Adds width and natural light
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Works well with Victorian/Edwardian houses
3. Wrap-Around Kitchen Extension (L-Shaped)
Combines rear + side return for maximum space.
Creates:
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Large open-plan living
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Multiple zones
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Feature island kitchens
4. Kitchen Extension with RSJ Open-Plan Layout
We specialise in:
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Removing load-bearing walls
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Installing RSJ beams
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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
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Foundations
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Brickwork & blockwork
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RSJ installation
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Roof lanterns / skylights
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Insulation & waterproofing
KITCHEN WORKS
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Full kitchen renovation
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Cabinet installation
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Worktops (quartz, granite, laminate)
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Plumbing & drainage
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Electrics & lighting
FINISHING
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Plastering
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Painting
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Flooring (tiles, LVT, wood)
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Skirting, architraves
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Bi-fold/sliding doors
MANAGEMENT
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Planning permission support
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Architectural drawings (optional)
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Building Control compliance
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Certificates & handover
Timeline for a Kitchen Extension
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Planning + drawings: 2–8 weeks
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Building shell: 3–6 weeks
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Roof + glazing: 1–3 weeks
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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
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North London
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East London
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West London
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Enfield
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Barnet
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Haringey
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Walthamstow
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Tottenham
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Edmonton
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Palmers Green
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Finchley
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Muswell Hill
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Kitchen Renovation London
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Kitchen Refurbishment
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Bespoke Kitchens
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House Extensions London
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Rear Extensions
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Structural RSJ Installation
Start Your Kitchen Extension Project Today
LASTING LTD delivers premium kitchen extensions with structural precision, modern design and high-quality finishing.
CTA:
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Get a Free Quote
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WhatsApp Us (Fast Response)
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Book a Site Visit
