Double-storey extensions in Rowley Regis

Planning your two-storey extension in Rowley Regis

Expect to apply to Sandwell Council for planning permission for a two-storey extension in Rowley Regis; side extensions over one storey always need it. We prepare the drawings, and the structural work also needs Building Regulations approval.

An upstairs en-suite is simplest when the new bathroom sits close to the existing soil stack.
New first-floor bedrooms normally need an escape window with at least 0.33 m² of clear openable area.
Councils often expect a side extension's first floor to be set back from the front wall, with its roof below the main ridge.

Postcode districts: B64, B65
Planning and building control: Sandwell Council
From our West Bromwich base: 3 miles

Choices to weigh up in Rowley Regis

Two-storey rear extension

Adds depth to both floors across the back of the house: a kitchen-diner below and a larger bedroom or new bathroom above. Permitted development only covers projections up to 3 metres and at least 7 metres from the rear boundary, so many rear builds still need planning. Overlooking and loss of light to neighbours are the usual tests.

Combined side and rear

An L-shaped two-storey build wrapping the side and back of the house gives the biggest gain, sometimes two extra bedrooms. It's a substantial project with more steel and a complex roof junction, and it will need a householder planning application. Expect a longer programme and a careful plan for keeping the house secure while the roofs are joined.

Double-storey extensions prices in Rowley Regis

For a home in Rowley Regis, our guide range is £52,000–£135,000 depending on size and specification. A two-storey side extension on a three-bed semi, about 32 m² over two floors: usually £68,000–£88,000.

Guide prices for double-storey extensions
Option	Guide price	Good to know
Compact two-storey rear (20–28 m² total)	£52,000 – £72,000	Bigger kitchen below, bedroom or bathroom above
Two-storey side or rear (30–40 m² total)	£68,000 – £98,000	The usual size on a three-bed semi
Large or combined side and rear (45 m²+)	£95,000 – £135,000	More steel, a complex roof and a longer programme

Guide ranges include VAT where it applies. Access, parking and the state of what's there now can move the price — the survey settles it.

Double-storey extensions in Rowley Regis: common questions

What will the council look at when deciding planning?

Councils judge two-storey extensions mainly on their effect on neighbours and the street. They look at loss of light and outlook next door, overlooking from upstairs windows, and whether the extension sits comfortably with the house, often expecting side extensions to be set back and lower than the main roof. Many councils publish householder design guides, and following yours closely improves the chance of approval.

How do I book a survey in Rowley Regis?

Send the form on this page, use the guide-price tool or call 0800 088 6248 free. We'll ask a few questions about your two-storey extension and arrange a time to visit.

What paperwork will I have at the end?

You'll get the building control completion certificate, the electrical installation certificate, your planning decision notice and the manufacturers' guarantee documents for windows, doors and roof products, with their terms set out in your quote. Keep these together, as a buyer's solicitor will ask for them when you sell. Ask us for current insurance details with your quote.

Does Sandwell Council need to approve my two-storey extension?

Usually both. Most two-storey extensions need a planning application to Sandwell Council, and the structural work needs Building Regulations approval from its building control team or a registered building control approver.

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Call 0800 088 6248 or send us your postcode, and we'll arrange a time to look at the house.