How much does a cost?
Typically, across the UK
£45,000
from £22,000 to £75,000 for the project
Reviewed June 2026 · independent guide price
See the full breakdown
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Every cost guide
What home improvements cost in 2026
A guide for each job, with what is included, what changes the price, and a calculator for your own.
Loft conversion
£45,000
Resin driveway
£55/m²
Bathroom renovation
£8,000
House rewire
£5,500
Garden room
£16,000
New boiler
£3,000
Double glazing
£550/window
House extension
£2,500/m²
EV charger installation
£1,050
Solar panels
£7,000
New kitchen
£12,000
Underfloor heating
£90/m²
Conservatory
£14,000
Air source heat pump
£11,000
Log burner installation
£2,800
Garage conversion
£14,000
New roof
£8,000
Artificial grass
£65/m²
Plastering
£600
House rendering
£65/m²
Tarmac driveway
£50/m²
Block paving
£85/m²
Patio
£120/m²
Bifold doors
£4,000
Wet room
£9,000
Wood flooring
£90/m²
Loft insulation
£900
Cavity wall insulation
£1,200
External wall insulation
£120/m²
Decking
£120/m²
Fencing
£90
Porch
£7,000
New staircase
£2,500
Garage door
£1,200
Guttering
£50
Fascias and soffits
£80
Composite door
£1,500
Air conditioning
£2,800
Conservatory roof replacement
£6,500
Asbestos removal
£1,500
Flat roof replacement
£90/m²
Gutter cleaning
£100
Asbestos survey
£300
Roof cleaning
£500
Roof repair
£500
Velux window
£1,400/window
Concrete driveway
£85/m²
Gravel driveway
£65/m²
Imprinted concrete driveway
£100/m²
uPVC door
£1,100
Driveway cleaning
£250
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