London · Greater London

Tradespeople Costs in Merton (2026)

Merton sits at 1.22× the UK average for trade work — above the national benchmark. Below you'll find current prices for every major trade across Merton, covering postcodes SW19, SW20.

1.22×vs UK avg
206kPopulation
54Services priced

Heating & Boilers in Merton

Boiler Replacement £2,195 – £4,270 per boiler installed Boiler Service £100 – £185 per annual service Underfloor Heating Installation £90 – £245 per m² Radiator Replacement £185 – £550 per radiator Power Flush £490 – £1,100 per system Air Source Heat Pump Installation £9,760 – £19,520 per system installed Gas Safety Certificate (CP12) £75 – £145 per certificate Smart Thermostat Installation £185 – £490 per thermostat Full Central Heating Installation £4,270 – £9,760 per system Immersion Heater Replacement £220 – £465 per element Hot Water Cylinder Replacement £1,100 – £2,685 per cylinder Gas Fire Installation £490 – £1,465 per fire Chimney Sweep £65 – £145 per chimney Wood Burner Installation £2,195 – £5,490 per stove Oil Boiler Installation £3,050 – £6,710 per boiler

Electrical in Merton

EV Charger Installation £975 – £1,950 per charge point Consumer Unit (Fuse Box) Replacement £550 – £1,100 per unit Full House Rewire £4,270 – £10,980 per property Electrical Installation Condition Report (EICR) £155 – £365 per property Light Fitting Installation £75 – £245 per fitting Downlight/Spotlight Installation £50 – £100 per spotlight Double Socket Installation £85 – £220 per socket Electric Shower Installation £305 – £670 per shower unit

Plumbing in Merton

Bathroom Installation £5,490 – £14,640 per bathroom Kitchen Tap Replacement £100 – £245 per tap Toilet Installation £245 – £670 per toilet Blocked Drain Clearance £100 – £305 per callout Water Leak Repair £110 – £425 per leak Water Softener Installation £550 – £1,465 per unit CCTV Drain Survey £185 – £490 per survey

Building & Construction in Merton

Kitchen Installation £7,930 – £24,400 per kitchen Loft Conversion £36,600 – £91,500 per conversion Single Storey Extension £2,195 – £3,905 per m² Plastering (Per Room) £490 – £1,465 per room Wall & Floor Tiling £45 – £110 per m² Flooring Installation £30 – £100 per m² Roof Replacement £6,100 – £17,080 per roof

Cleaning in Merton

End of Tenancy Clean £185 – £550 per property Carpet Cleaning £35 – £100 per room Oven Cleaning £65 – £160 per oven Window Cleaning £20 – £55 per visit Gutter Cleaning £85 – £220 per property

Landscaping & Gardens in Merton

Garden Landscaping £4,270 – £18,300 per garden Patio Installation £100 – £270 per m² Decking Installation £145 – £340 per m² Garden Fence Installation £60 – £160 per metre Tree Surgery / Removal £245 – £1,830 per tree

Pest Control in Merton

Rat Infestation Treatment £145 – £425 per treatment course Mice Pest Control £120 – £340 per treatment course Wasp Nest Removal £75 – £185 per nest Bed Bug Treatment £220 – £855 per property

Locksmiths in Merton

Lock Replacement £110 – £305 per lock Emergency Lockout Service £85 – £270 per callout uPVC Door Lock Mechanism Repair £170 – £390 per door