London · Greater London

Tradespeople Costs in Harrow (2026)

Harrow sits at 1.20× the UK average for trade work — above the national benchmark. Below you'll find current prices for every major trade across Harrow, covering postcodes HA1, HA2, HA3.

1.20×vs UK avg
251kPopulation
54Services priced

Heating & Boilers in Harrow

Boiler Replacement £2,160 – £4,200 per boiler installed Boiler Service £95 – £180 per annual service Underfloor Heating Installation £90 – £240 per m² Radiator Replacement £180 – £540 per radiator Power Flush £480 – £1,080 per system Air Source Heat Pump Installation £9,600 – £19,200 per system installed Gas Safety Certificate (CP12) £70 – £145 per certificate Smart Thermostat Installation £180 – £480 per thermostat Full Central Heating Installation £4,200 – £9,600 per system Immersion Heater Replacement £215 – £455 per element Hot Water Cylinder Replacement £1,080 – £2,640 per cylinder Gas Fire Installation £480 – £1,440 per fire Chimney Sweep £65 – £145 per chimney Wood Burner Installation £2,160 – £5,400 per stove Oil Boiler Installation £3,000 – £6,600 per boiler

Electrical in Harrow

EV Charger Installation £960 – £1,920 per charge point Consumer Unit (Fuse Box) Replacement £540 – £1,080 per unit Full House Rewire £4,200 – £10,800 per property Electrical Installation Condition Report (EICR) £150 – £360 per property Light Fitting Installation £70 – £240 per fitting Downlight/Spotlight Installation £50 – £95 per spotlight Double Socket Installation £85 – £215 per socket Electric Shower Installation £300 – £660 per shower unit

Plumbing in Harrow

Bathroom Installation £5,400 – £14,400 per bathroom Kitchen Tap Replacement £95 – £240 per tap Toilet Installation £240 – £660 per toilet Blocked Drain Clearance £95 – £300 per callout Water Leak Repair £110 – £420 per leak Water Softener Installation £540 – £1,440 per unit CCTV Drain Survey £180 – £480 per survey

Building & Construction in Harrow

Kitchen Installation £7,800 – £24,000 per kitchen Loft Conversion £36,000 – £90,000 per conversion Single Storey Extension £2,160 – £3,840 per m² Plastering (Per Room) £480 – £1,440 per room Wall & Floor Tiling £40 – £110 per m² Flooring Installation £30 – £95 per m² Roof Replacement £6,000 – £16,800 per roof

Cleaning in Harrow

End of Tenancy Clean £180 – £540 per property Carpet Cleaning £35 – £95 per room Oven Cleaning £65 – £155 per oven Window Cleaning £20 – £55 per visit Gutter Cleaning £85 – £215 per property

Landscaping & Gardens in Harrow

Garden Landscaping £4,200 – £18,000 per garden Patio Installation £95 – £265 per m² Decking Installation £145 – £335 per m² Garden Fence Installation £60 – £155 per metre Tree Surgery / Removal £240 – £1,800 per tree

Pest Control in Harrow

Rat Infestation Treatment £145 – £420 per treatment course Mice Pest Control £120 – £335 per treatment course Wasp Nest Removal £70 – £180 per nest Bed Bug Treatment £215 – £840 per property

Locksmiths in Harrow

Lock Replacement £110 – £300 per lock Emergency Lockout Service £85 – £265 per callout uPVC Door Lock Mechanism Repair £170 – £385 per door