Garage Conversions in Portsmouth (70)

Thinking about a garage conversion in Portsmouth? Whether you need more room for work, play, or peace and quiet, converting your garage is a smart way to get extra space without the stress (or cost) of moving. From a snug home office, more living space, or a playroom the kids can take over. Whatever you’ve got in mind, Checkatrade can help you make it happen.

Garage conversions in Portsmouth

Contact garage conversion builders in Portsmouth who've been rated and reviewed by customers just like you. At Checkatrade, we make sure our tradespeople are up to date with accreditations relevant to their trade category, to help you hire with confidence.

Start your search today

What to expect from hiring a garage conversion contractor in Portsmouth

Popular jobs in Portsmouth include:

• Single and double garage conversions
• Detached garage conversions
• Converting to bedrooms
• Garage office conversion
• Garage gym conversion
• Kitchen conversions
• Studio conversions

Book now

Average cost of a garage conversion in Portsmouth

Garage conversions:

£11075 on average, with prices typically starting at £7322 up to £16880.

Garage flooring:

£922 on average, with prices typically starting at £595 up to £1431.

Garage doors:

£755 on average, with prices typically starting at £559 up to £1034.

Extra costs to consider:

Planning permission (if required), architect or structural engineer fees, drainage or heating upgrades.

Need help calculating costs? Use our Job Value Estimator tool for a bespoke cost estimate.

What’s included in a quote?

Most quotes cover insulation, windows and doors, electrics, plumbing (if needed), flooring, plastering and internal walls.

How long it takes

Most garage conversions in Portsmouth take 3 to 6 weeks depending on size, complexity, and what you’re converting it into.

Small garage conversions or single garage conversions will typically take less time than a double garage conversion or kitchen extension.

What to check for before hiring

• Always look for builders with experience in converting garages and Public Liability Insurance.
• Read reviews from customers in your area of Portsmouth for extra peace of mind.
• If you’re unsure where to start, ask your builder to break down the steps. A good one will guide you from sketch to sign off.

Garage conversions in Portsmouth: Homeowners vs renters

For homeowners:

You’re responsible for applying for any necessary planning permission or building regs sign off. Most garage conversions fall under permitted development, but it’s always worth checking with your local authority.

For renters:

The rules are different. You’ll need written permission from your landlord before making any structural changes. In some cases, they may manage the job themselves. Either way, get it in writing.

Find a garage conversion builder in Portsmouth for the job you need

Checked tradespeople on Checkatrade can help with:

• Full garage conversions (Single, double, or detached)
• Garage to office conversions
• Garage kitchen conversions
• Home gym builds
• Soundproofed studio conversions
• Insulation, electrics and plumbing
• Garage refurbishment or structural work
• Garage extension or replacement

Use our search tool to get started or post a job directly and let our tradespeople come to you.