Barn Conversion in Barnes

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Average Barn conversions cost in Barnes

Barn conversion projects can alter significantly in price. How much you’ll end up spending depends on how big the building is, how much renovation work you’re going to do, and the type and quality of materials you use. It also depends on the professionals you hire and your location. However, to give you a rough idea of how much you might end up spending, the average cost for a barn conversion project is about £150,000.

Average price per Barn conversions job in 2026

Avg. price low

Avg. price low
£112,500

Avg. price

Avg. price
£150,000

Avg. price high

Avg. price high
£172,500

£173000

£129750

£86500

£43250

£0

Prices based on actual Barn conversions costs for Barnes, as reported by local LeadsDoWork members.

Barn conversions installation cost in Barnes 2026

Labour cost £105,000
Material cost £37,500
Waste removal £7,500
Time frame: 6+ months
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Barnes

Barnes is a district within the London Borough of Richmond upon Thames. It is in the north east of the borough and is positioned 9.3 km west south west of Charing Cross.

Barnes has numerous 1700s and nineteenth century buildings in the streets near Barnes Pond, which make up Barnes Village conservation area where the majority of the mid-19th century buildings sit. Around the east riverside, there's the WWT London Wetland Centre which adjoins several fields for 3 main national team sports.

The town once was a part of Surrey, and it appears inside the Domesday book as ‘Berne’. Barnes’ village church was built in between 1100 and 1150 and named the Chapel of St Mary’s. It was extended in the early 13th century, and was added to once more in 1786. A big fire destroyed components of the extensions to the church in 1978, so restoration work was carried out in 1984.

Barnes has a lot of sporting history spanning decades. In football, a High Master of St Paul’s School, Richard Mulcaster, is recognised with turning mob football into a refereed team sport. The school sits on Lonsdale Road, but at the time of Mulcaster it was positioned in St Paul’s Cathedral. The town includes a non-league football club named Stonewall FC, who play at Barn Elms Playing Fields.

Barnes Rugby Club is known to be the oldest club in the world in any football code. They play next to the WWT London Wetlands Centre. The town is also identified for rowing; the loop of the Thames surrounding Barnes is a part of the Championship Course utilised for the Oxford and Cambridge Boat Race.

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FAQs

Can I extend my barn conversion?

Generally, it’s possible to extend a barn conversion, but there are certain conditions that you’ll probably need to meet. Ultimately, it’s up to your local planning office to decide whether to approve your planned barn conversion extension or not.

Typically, small extensions on the side of a barn conversion are often approved, particularly if they serve to preserve the original character of the barn. This could be because the extension will mimic the appearance of the original structure, or house facilities that would look odd in the original building.

However, you probably won’t be allowed to build a larger extension, or one that isn’t in keeping with the appearance of the original barn.

Are barn conversions cold?

If you’re considering converting a barn or buying one, you shouldn’t need to worry about it being cold. This is because building regulations dictate that when you convert a barn, you need to insulate it to meet specific standards. However, it’s worth considering its heating system and ceiling heights carefully – some barn conversions are likely to take longer and be more expensive to heat up than others.

Are barn conversions a good investment?

A barn conversion can be a great investment for lots of reasons. When done well, barn conversions can be great at holding their value, meaning you could sell yours for a great price. They can also look fantastic, often with period features coupled with large areas of glazing. This can make them a great place to live, especially if you enjoy being in the countryside.

However, barn conversions do have their disadvantages. They may require extensive renovation work to bring their energy efficiency levels up to standard, which can be very expensive. It’s also important to be aware of their location – they might be on a working farm or close to several other converted buildings.

It’s essential to get a survey conducted before you buy a barn you plan to convert. This can tell you about any structural problems it might have and give you an indication of whether you might be able to get permission to convert it. You can also buy barns with planning permission already in place.

Are barn conversions VAT exempt?

If you’ve converted a non-residential barn into a home, you might be able to reclaim some of the VAT that you’ve paid for your project. This includes money spent on:

• Construction materials

• Flooring

• Light fittings

• Kitchen units and worktops

• Electrical, heating and plumbing materials

To reclaim your VAT from HMRC, make sure you request and keep all of your invoices. You’ll also need proof of planning permission and evidence of completion. You should then submit your claim with all relevant paperwork within three months of receiving your completion certificate. You’re only allowed to submit one claim, so you’ll need to make sure you get it right first time.

Barn conversions

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Customer Reviews

Overall rating:


Barnes Barn conversions pros are rated 4.3 out of 5 on average: 9 rated pros, 52 reviews, of 64 pros covering the area.
The LeadsDoWork rating and review is an overall rating based on verified reviews and feedback from the customers with Barn conversions projects that have been connected with Barn conversions pros to help them. All Barn conversions contractors All Barnes Barn conversions contractors

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