Dreaming of a bigger, brighter kitchen but don't want the cost and upheaval of moving? A kitchen extension is one of the most rewarding investments a London homeowner can make. At SBDS Construction Ltd, we provide complete kitchen extension services across London and Essex — transforming cramped, closed-off kitchens into open, light-filled spaces where your family will love to cook, eat and spend time together.
As experienced kitchen extension builders in London, our skilled team manages the entire project under one roof: design, structural work, planning support, foundations, construction, electrics, plumbing and finishing. We handle every detail so you do not have to, keeping the work clean, on schedule and built to last. Every extension is backed by our written warranty, and our 5.0-star Google rating reflects the standard we bring to every home.
From a simple single-storey rear extension to a full wrap-around or a striking glazed extension, we tailor each project to your property, your budget and the way you want to live. Whether you want a sociable open-plan kitchen-diner or a sleek space that opens onto your garden, we make it happen with honest advice and proper craftsmanship.
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A kitchen extension is a building project that expands your home outwards — usually into the rear or side of the property — to create a larger kitchen or open-plan kitchen-diner. It adds valuable living space and natural light without changing the upper floors, making it one of the most popular home improvements in London.
Unlike a loft conversion, which works upwards within the existing roof, a kitchen extension expands your ground floor outwards into the garden, the side return, or both. This is ideal for homeowners who want a sociable, open kitchen and dining space connected to the garden. Across London, kitchen extensions are hugely popular because they deliver significant extra living space, strong returns on investment, and a transformed heart of the home — all without the cost, stress and stamp duty of moving house.
As an established kitchen extension company in London, SBDS Construction Ltd has built its reputation on quality workmanship and reliable delivery. Our kitchen extension specialists combine practical building experience with a genuine eye for design, so the finished space looks right, flows well and works hard for your home.
When you choose our kitchen extension contractors in London, you get qualified, experienced tradespeople, fully insured work, and a team that knows London's housing stock — from Victorian terraces with narrow side returns to 1930s semis and modern builds. Every project is handled end to end by one dedicated point of contact, with bespoke designs created around your property rather than a one-size-fits-all template. We are local, we are accountable, and we are here long after the job is done.
With London property prices among the highest in the UK, moving to a bigger home is expensive once you factor in stamp duty, agent fees and moving costs. A kitchen extension adds living space and value to your existing home for a fraction of that cost — and a well-designed kitchen is one of the biggest selling points for buyers.
In a city where space is at a premium, the kitchen is the room buyers and families value most. A kitchen extension lets you stay in the home, area and school catchment you love while gaining the open, light-filled space modern living demands. It is a better long-term investment than many alternatives: you avoid the upheaval of relocating, you increase your property's resale value, and you create a genuinely useful family space. For most London homeowners, improving rather than moving is simply the more sensible financial decision.
We design and build every main type of loft conversion. The right choice depends on your roof shape, property type, budget and how much space you want to gain. Here is a clear guide.
A rear extension expands your kitchen straight out into the back garden, creating a larger ground-floor space — the most popular kitchen extension in London.
Best for: terraced, semi-detached and detached homes with garden space.
Best for: terraced, semi-detached and detached homes with garden space.
Best for: terraced, semi-detached and detached homes with garden space.
We design and build every main type of kitchen extension. The right choice depends on your property type, available space, budget, and the layout you want. Explore the options below to find the best solution for your home.
Expands your kitchen into the back garden, creating a spacious and modern ground-floor living area.
Converts the unused side alley into valuable kitchen space, perfect for widening narrow galley kitchens.
Combines a rear and side extension to create a large open-plan kitchen, dining and living area.
Adds a larger kitchen downstairs while creating an additional bedroom, bathroom or living space upstairs.
A modern extension featuring structural glass walls and roof glazing for a bright, contemporary living space.
Removes internal walls to create an open, social kitchen and dining area without a full extension.
| Extension Type | Space Gained | Relative Cost | Planning Permission |
|---|---|---|---|
| Open-Plan Conversion | Low–Medium | £ | Rarely Needed |
| Single-Storey Rear | Medium–High | ££ | Often Permitted Development |
| Side Return | Medium | ££ | Often Permitted Development |
| Wrap-Around | High | £££ | Sometimes Needed |
| Glazed / Glass Box | Medium–High | £££ | Sometimes Needed |
| Double-Storey | Very High | £££ | Usually Needed |
A kitchen extension offers benefits that few other home improvements can match:
gain a larger kitchen and dining area
for the whole family.
a modern, extended kitchen is a top selling point for buyers.
create a sociable space to cook, eat and relax together.
design the layout, island and storage you have always wanted.
roof lanterns and glazing flood the space with daylight.
bifold or sliding doors connect your kitchen to the garden.
avoid stamp duty, agent fees and the stress of relocating.
As an established kitchen extension company in London, SBDS Construction Ltd has built its reputation on quality workmanship and reliable delivery. Our kitchen extension specialists combine practical building experience with a genuine eye for design, so the finished space looks right, flows well and works hard for your home.
The main factors that affect the cost of your kitchen extension are:
larger extensions require more materials, foundations and labour.
a side return costs less than a full wrap-around or double-storey.
foundations, steel beams and removing walls add to the cost.
some extensions require applications and drawings.
roof lanterns, bifold and sliding doors affect the figure.
your choice of units, worktops and appliances changes the budget.
The main factors that affect the cost of your kitchen extension are:
Expert builders in London delivering high-quality construction solutions across London and Essex.
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