Open Plan Kitchen Conversion Cost UK 2026

Converting a separate kitchen and dining room into an open-plan kitchen-diner is one of the highest-value 2026 UK renovations. Expect £5,000–£15,000 for the wall removal + make-good — excluding the new kitchen.

Quick answer

Typical UK price range: £5,000–£18,000. Typical time: 6–10 days.

Free calculator

Cutting walls calculator

Adjust the inputs to get an instant 2026 UK price estimate.

Job type Remove load-bearing wall Remove partition wall Knock through (2 rooms) Open plan kitchen-diner Single RSJ only

Region London South East South West Midlands North of England Scotland Wales Northern Ireland

Specification level Basic / standard Mid-range Premium / high-end

Extras

Structural engineer fee £350–£800 Building control £250–£600 Make-good plastering £600–£1,500 Flooring make-good £400–£1,200 Localised rewire £350–£900

Lowest £—

Average £—

Highest £—

Estimate only. Prices reflect 2026 UK market data — get quotes from local tradespeople for accurate pricing.

Get 3 free quotes from vetted tradespeople

No signup. No spam. We pass your details only to vetted tradespeople (Checkatrade / MyBuilder / Bark partner network).

Name *

Email *

Phone *

Postcode *

Budget Under £5,000 £5,000 – £15,000 £15,000 – £30,000 £30,000 – £60,000 £60,000+ Not sure

Timeline As soon as possible 1 – 3 months 3 – 6 months 6+ months Just researching

Project details

I agree to be contacted by vetted local tradespeople and have read the Privacy Policy. Get 3 free quotes →

Key points

• £5,000–£15,000 for wall removal + make-good
• £10,000–£35,000 for a new kitchen at the same time
• Typical total: £20,000–£45,000 including kitchen
• Adds 5–12 % to property value

Cost breakdown

Item	Low	High
Wall removal + RSJ	£3,500	£7,000
New flooring	£1,500	£4,500
Plastering + decorating	£800	£2,500
Electrics rework	£600	£2,000

Cost by UK region

Region	Typical cost
London	£15,525
South East	£14,375
South West	£12,650
Midlands	£11,500
North England	£10,350
Scotland	£10,925
Wales	£10,350

How to save money

• Plan the kitchen layout first, then design the wall opening around it
• Specify underfloor heating in the new flooring
• Add an extract fan + cooker hood early — open-plan magnifies cooking smells

How to find a trusted tradesperson

Get at least 3 quotes from vetted UK trade networks:

• Checkatrade
• MyBuilder
• Bark

FAQs

How long does an open-plan conversion take?

6–10 days for the wall + make-good; 2–3 weeks total if you’re also fitting a new kitchen.

Get 3 free quotes

Submit your project details via the calculator above to receive 3 quotes from vetted tradespeople.

Disclaimer: Prices are guide ranges based on 2026 UK market data. Get quotes from local tradespeople for accurate pricing.