Kitchen Extension in Cardiff
Kitchen Extension cost in Cardiff — is your quote fair?
The average kitchen extension cost in Cardiff is £38,640, with most jobs falling between £18,400 and £73,600. Cardiff prices are 8% below the UK national average. Upload your quote to check every line item against real Cardiff market data.
Average cost
£38,640
Typical range
£18,400 – £73,600
vs UK average
-8%
What affects kitchen extension costs in Cardiff
- →Size in square metres
- →Bifold or sliding door specification
- →Roof type (flat, pitched, lantern)
- →Underfloor heating
- →Kitchen fit-out included or separate
Frequently asked questions
How much does a kitchen extension cost in the UK?
A kitchen extension typically costs between £20,000 and £80,000 depending on size and specification. A standard 4x4m rear extension with bifold doors averages around £40,000 to £55,000.
What should a kitchen extension quote include?
Groundworks and foundations, structural walls, roof, windows and doors, electrical and plumbing first fix, plastering, and making good. Scaffolding, building regulations, and waste removal should also be itemised.
How do I compare kitchen extension quotes?
Paste each quote into Quotive individually or use the multi-quote comparison. We identify which builder has included the most complete scope, not just who is cheapest.