Kitchen Extensions
We design and build kitchen extensions that turn cramped, separate rooms into open-plan spaces you actually want to cook and eat in.
All Well Property Services provides professional kitchen extensions across South East London. Prices start from £1,800 per sqm, with typical projects costing £45,000to £90,000. Typical build time: 10–14 weeks. All projects include a fixed-price contract, single project manager, and full Building Control sign-off. Call 020 3920 9617 for a free consultation.
What We Offer
We design and build kitchen extensions that turn cramped, separate rooms into open-plan spaces you actually want to cook and eat in. Rear, side return, and wraparound — one team handles structural steelwork, electrics, plumbing, and Building Control sign-off.
- ✓Single-storey rear extensions
- ✓Side return extensions
- ✓Wraparound extensions
- ✓Kitchen-diner conversions
- ✓Open-plan living spaces
- ✓Structural alterations and steelwork
- ✓Underfloor heating installation
- ✓Full electrical and plumbing fit-out
Typical Investment
£1,800–£2,500 per sqm
Single-storey rear extension
15-25 sqm, standard finish
£45,000 – £70,000
Side return extension
Opening up the narrow alley
£35,000 – £55,000
Wraparound extension
Rear + side return combined
£60,000 – £90,000
Most clients in South London typically invest between £50,000 and £75,000 for a clean, high-quality kitchen extension with modern finishes.
Fixed-price contracts | No hidden costs | 10–14 week typical build
What Affects the Cost?
- •Structural complexity and steelwork required
- •Quality of kitchen units and appliances selected
- •Glazing specification (bifold doors, roof lanterns)
- •Groundwork and foundation conditions
- •Access constraints and parking
Want a personalised estimate?
Use our free kitchen cost calculator→Recent Kitchen Extensions Projects
Kitchen Extensions across South East London
What Our Customers Say
“All Well managed our project from start to finish. The fixed-price contract meant no surprises, and the result is stunning.”
Verified Customer
“Professional team, clean site, and they handled all the paperwork. Would recommend to anyone.”
Verified Customer
“Great communication throughout. They kept to the timeline and budget exactly as quoted.”
Verified Customer
Accredited & Certified
Frequently Asked Questions
- Do I need planning permission for a kitchen extension?
- Most single-storey rear extensions fall under permitted development, so planning permission isn't required. We check this for you during the free consultation and handle any applications if needed.
- How much does a kitchen extension cost?
- Kitchen extensions typically cost £1,800-£2,500 per square metre depending on specification. A typical 20sqm extension costs £45,000-£70,000. We provide a fixed-price quote upfront with no hidden extras.
- How long does a kitchen extension take to build?
- Most kitchen extensions take between 10 and 14 weeks from breaking ground to completion. We provide a detailed programme of works before we start so you know exactly what to expect.
- What is included in the price?
- Our quotes include foundations, structural steelwork, walls, roof, glazing, electrics, plumbing, plastering, and final decoration. Kitchen unit supply and fitting is included unless you prefer to supply your own.
Get a Free Kitchen Extensions Quote
Free site visit. No-obligation quote. We respond within 24 hours — usually the same day.
Book Free Consultation