Garage conversions in Marston Green

Planning your garage conversion in Marston Green

Converting a garage in Marston Green usually doesn't need planning permission if the work is internal and doesn't enlarge the building. Some newer estates have conditions that remove those rights, so check your planning history with Solihull Council. Building Regulations approval is always needed.

Every new habitable room needs an openable window for purge ventilation plus trickle vents or similar background ventilation.
Pumped or macerator WCs are only allowed where the house also has a toilet draining to a gravity drainage system.
Relocating a gas or electricity meter takes time to arrange, so it's best raised at the survey stage.

Postcode district: B37
Planning and building control: Solihull Council
From our West Bromwich base: 11 miles

Choices to weigh up in Marston Green

Utility and downstairs WC

Moving the washing machine, dryer and coats into a converted garage frees up the kitchen and hallway. Adding a WC alongside makes the space more useful still. Plumbing runs are short when the garage backs onto the kitchen, and this is often one of the more affordable layouts to build.

Partial conversion with storage kept

A stud wall splits the garage, keeping a shorter store at the front behind a new insulated garage door, with a utility, gym or office behind. It keeps somewhere for bikes and tools while still freeing up the house. The front section stays unheated, and the new room is insulated and ventilated to full standards.

How much should you budget in Marston Green?

For a home in Marston Green, our guide range is £7,500–£40,000 depending on size and specification. A single integral garage converted into a study or playroom: usually £13,500–£18,000.

Guide prices for garage conversions
Option	Guide price	Good to know
Partial conversion with front store kept	£7,500 – £12,000	Utility, gym or office behind a new insulated door
Single integral or attached garage	£12,000 – £20,000	Suits a study, playroom or snug
Double, detached, or with a shower room	£20,000 – £40,000	More floor, drainage or roof work involved

Guide ranges include VAT where it applies. A free survey turns this guide into a fixed, itemised price.

Garage conversions in Marston Green: common questions

What do I need to sort out before work starts?

Clear the garage, find a home for anything stored there, and look out your deeds and any planning documents for the house. If you're on a newer estate, we'll check whether permitted development rights were removed. Think about how you'll use the room, as a bedroom, an office or a utility each need different sockets, heating and ventilation.

Do you cover Marston Green?

Yes. Marston Green (B37) is about 11 miles from our West Bromwich base and inside the area we cover. Call 0800 088 6248 or send the form on this page to book a free survey.

How much does a garage conversion cost?

In the West Midlands, most garage conversions cost between £7,500 and £40,000, including VAT where it applies. A single integral garage turned into a study or playroom typically costs £13,500–£18,000, finished ready for decorating. Adding a shower room, converting a double or detached garage, or moving meters adds to the price. After the free survey you get a fixed price for the agreed specification.

Does Solihull Council need to approve my garage conversion?

Not usually for planning, unless a condition on your estate removes permitted development rights — Solihull Council can confirm. Building Regulations approval is always needed for a garage conversion.

Close to Marston Green

Other work we do in Marston Green

Find out roughly what your Marston Green garage conversion would cost with our online guide, then get a fixed price for the agreed specification.