“Kingdom Build has gone over the top to meet our expectations. We used them for a wrap-around double storey extension. Good job guys!”

Core Service
Double Storey Extension in West Bromwich
Add a kitchen-diner below and an extra bedroom or bathroom above.
- 16–24 weeks
- Fixed-price contract
- 5.0★ rated
About Double Storey Extension
Add a kitchen-diner below and an extra bedroom or bathroom above.
A double-storey extension is the best £/m² you can spend on a family home. The roof, foundations and scaffolding cost almost the same as a single-storey build, so the second floor effectively comes at marginal cost. For families needing an extra bedroom (or two), a master en-suite, or a home office — this is the option that transforms the house long-term.
Most two-storey work we deliver in West Bromwich and Sutton Coldfield combines an open-plan kitchen-diner downstairs with a new master suite or two additional bedrooms upstairs. We pay close attention to how the new roofline meets the existing — getting that detail wrong is the most common reason an extension looks 'tacked on'.
Two-storey extensions almost always need full planning permission rather than Permitted Development. We handle the design, drawings, neighbour consultation and submission. Typical local authority decision time is 8 weeks. Once approved we usually start on site within 4–6 weeks and complete in 16–24 weeks.
How we deliver
Your double storey extension in 4 steps
Free site visit & brief
We meet at your home, listen to what you're trying to achieve and survey the existing structure. Typically within 5 working days of enquiry.
Design & fixed-price quote
We produce drawings, a written specification and a single fixed-price contract. No 'estimates' that drift upwards mid-build.
Build
One project manager owns delivery from groundworks to finishing. Weekly progress updates, photos and a clean, signed-in site.
Snag, sign-off & guarantee
Joint walk-around to clear any snags before we hand over. You leave with certificates, drawings and our 12-month workmanship guarantee.
Our work
Double Storey Extension we've delivered

What clients say
Available across the West Midlands
Double Storey Extension in your area
We deliver this service across West Midlands and Warwickshire — most projects within an hour of our Birmingham HQ.
- Double Storey Extension in Sutton Coldfield
- Double Storey Extension in Solihull
- Double Storey Extension in Edgbaston
- Double Storey Extension in Harborne
- Double Storey Extension in Walsall
- Double Storey Extension in Smethwick
- Double Storey Extension in Lichfield
- Double Storey Extension in Little Aston
- Double Storey Extension in Four Oaks
- Double Storey Extension in Knowle
- Double Storey Extension in Dorridge
- Double Storey Extension in Barnt Green
- Double Storey Extension in Mere Green
- Double Storey Extension in Streetly
- Double Storey Extension in Aldridge
- Double Storey Extension in Shenstone
- Double Storey Extension in Royal Leamington Spa
- Double Storey Extension in Warwick
- Double Storey Extension in Stratford-upon-Avon
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Ready to start?
Get a free quote for your double storey extension
Free site visit. Fixed-price quote in 5–7 days. No obligation.
