Home Improvement Costs in Watford
Find local prices for 114 services in Hertfordshire, East of England.
Regional cost multiplier: 1.28x UK average
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Bathroom
New Bathroom Installation
Complete bathroom design, supply and installation
From £5,760En-Suite Installation
En-suite bathroom creation or renovation
From £4,480Wet Room Installation
Fully tanked wet room with level-access shower
From £7,680Shower Room Installation
Dedicated shower room with WC and basin
From £3,840Cloakroom Installation
Downstairs WC and basin installation
From £2,300Conversions
Loft Conversion
Converting loft space into habitable room(s)
From £32,000Dormer Loft Conversion
Loft conversion with dormer window extension
From £44,800Garage Conversion
Converting garage into habitable living space
From £10,240Basement Conversion
Converting cellar or basement into living space
From £51,200Barn Conversion
Converting agricultural barn into residential property
From £102,400Driveways
Block Paving Driveway
Block paved driveway with proper sub-base
From £4,480Resin Bound Driveway
Permeable resin bound gravel driveway
From £5,120Tarmac Driveway
Machine-laid tarmacadam driveway
From £2,560Gravel Driveway
Gravel driveway with optional grid system
From £1,920Concrete Driveway
Poured concrete driveway with finish options
From £3,840Imprinted Concrete Driveway
Decorative stamped concrete with pattern and colour
From £5,120Driveway Resurfacing
Resurfacing existing driveway without full replacement
From £1,920Dropped Kerb Installation
Vehicle crossover and dropped kerb for driveway access
From £1,020Electrical
Full House Rewire
Complete electrical rewire with new consumer unit
From £5,120Consumer Unit Upgrade
Modern RCD consumer unit replacement
From £510Electrical Installation Condition Report
Comprehensive electrical safety inspection and report
From £190EV Charger Installation
Professional electric vehicle charging point installation
From £1,020Additional Sockets Installation
Additional power sockets with neat cable routing
From £130Outdoor Electrical Installation
External power supply for garden, shed or outbuilding
From £510Home Automation Installation
Smart home system including lighting, heating and security
From £1,920Extensions
Single Storey Extension
Ground floor extension to increase living space
From £32,000Double Storey Extension
Two-storey extension for significant space increase
From £57,600Rear Extension
Extension at the rear of the property
From £25,600Side Return Extension
Infill extension along side passage of property
From £19,200Wrap Around Extension
L-shaped extension combining rear and side return
From £44,800Conservatory Installation
Full conservatory design, supply and installation
From £10,240Orangery Installation
Premium orangery with solid roof perimeter and lantern
From £25,600Home Office Pod
Dedicated garden office space for remote working
From £10,240External
External Wall Insulation
EWI system with render finish for improved thermal efficiency
From £10,240Rendering
External wall rendering with modern finish options
From £3,840Repointing
Brick repointing to restore mortar joints
From £1,920Cladding Installation
External cladding in timber, composite or other materials
From £6,400Exterior Painting
Full exterior redecoration including walls and woodwork
From £2,560Pointing and Brickwork Repair
Brick replacement and mortar repair
From £1,020Outbuildings
Garage Construction
New detached or attached garage construction
From £15,360Shed Installation
Quality garden shed supply and installation
From £1,020Workshop Construction
Insulated workshop building for hobby or work use
From £10,240Carport Installation
Open-sided vehicle shelter with solid roof
From £3,840Log Cabin Installation
Quality log cabin for garden office, gym or leisure
From £7,680Heating
New Boiler Installation
Gas boiler replacement or new installation
From £3,200Boiler Replacement
Like-for-like boiler swap with minimal alterations
From £2,560Central Heating Installation
Full central heating system installation
From £5,120Radiator Installation
New radiator installation or replacement
From £260Underfloor Heating Installation
Wet or electric underfloor heating system
From £3,840Air Source Heat Pump
Air source heat pump installation for heating and hot water
From £10,240Ground Source Heat Pump
Ground source heat pump with borehole or trenches
From £23,040Power Flush
Central heating system power flush and clean
From £510Smart Thermostat Installation
WiFi smart thermostat with app control
From £260Hot Water Cylinder Replacement
Unvented or vented hot water cylinder replacement
From £1,020Interior
Plastering
Wall and ceiling plastering or re-skimming
From £510Coving Installation
Decorative coving or cornice installation
From £260Staircase Installation
New staircase supply and installation
From £3,200Flooring Installation
New floor covering installation
From £1,280Wood Floor Sanding
Hardwood floor sanding and refinishing
From £30Skirting Board Installation
Skirting board replacement or new installation
From £380Built-In Wardrobes
Custom fitted wardrobes with interior fittings
From £2,560Interior Decoration
Full room decoration including walls, ceiling and woodwork
From £380Kitchen
Landscaping
Garden Room Installation
Insulated garden room for year-round use
From £15,360Garden Landscaping
Complete garden design and landscaping project
From £6,400Patio Installation
Natural stone or porcelain patio installation
From £3,200Decking Installation
Timber or composite decking with subframe
From £3,200Artificial Grass Installation
Premium artificial lawn with proper base preparation
From £1,920Lawn Installation
New turf or seeded lawn installation
From £1,020Fencing Installation
Garden fence installation or replacement
From £1,280Garden Wall Construction
Brick or block garden wall with foundations
From £2,560Retaining Wall Construction
Structural retaining wall for sloped gardens
From £3,840Outdoor Kitchen Installation
Fully equipped outdoor cooking and dining area
From £6,400Pond Installation
Garden pond with liner, pump and planting
From £1,920Swimming Pool Installation
Outdoor swimming pool with filtration and heating
From £32,000Hot Tub Installation
Hot tub supply, base and electrical installation
From £5,120Pergola Installation
Timber or aluminium pergola structure
From £2,560Garden Lighting Installation
Professional outdoor lighting design and installation
From £1,280Renewable Energy
Solar Panel Installation
Residential solar PV system installation
From £6,400Solar Battery Storage
Home battery system to store solar energy
From £3,840Solar Thermal Installation
Solar hot water heating panel system
From £5,120Wind Turbine Installation
Domestic wind turbine for renewable electricity
From £19,200Roofing
New Roof Installation
Complete roof replacement including tiles and felt
From £6,400Roof Replacement
Replacing worn or damaged roof covering
From £5,760Flat Roof Installation
Flat roof installation using modern materials
From £1,920Roof Repair
Repairing damaged or leaking roof sections
From £260Roof Insulation
Loft or roof insulation to improve energy efficiency
From £640Fascia, Soffit & Guttering
Replacement of roofline boards and rainwater system
From £2,560Chimney Repair
Chimney stack repairs, repointing and flashing
From £640Velux Window Installation
Roof window installation for light and ventilation
From £1,540Security
Burglar Alarm Installation
Wired or wireless intruder alarm system
From £510CCTV Installation
Home CCTV camera system with recording
From £640Security Lighting Installation
Motion-activated external security lighting
From £260Smart Lock Installation
Smart door lock with keyless entry and app control
From £320Safe Installation
Home safe supply and secure installation
From £380Structural
Wall Removal
Load-bearing or non-load-bearing wall removal with steelwork
From £1,920Structural Beam Installation
Steel or timber structural beam installation
From £1,920Underpinning
Foundation strengthening and subsidence repair
From £12,800Subsidence Repair
Investigation and repair of subsidence damage
From £10,240Damp Proofing
Rising damp treatment and DPC installation
From £2,560Tanking & Waterproofing
Basement or cellar waterproofing system
From £3,840Windows & Doors
Double Glazing Installation
Full house double glazed window replacement
From £5,120Triple Glazing Installation
Premium triple glazed windows for superior insulation
From £7,680Window Replacement
Individual window replacement or upgrade
From £450Bi-Fold Doors Installation
Aluminium or uPVC bi-folding door installation
From £4,480Sliding Patio Doors
Sliding patio door replacement or installation
From £2,560French Doors Installation
Classic French door installation with sidelights
From £1,920Front Door Replacement
Composite or timber front door installation
From £1,280Composite Door Installation
High-security composite door for front or back
From £1,540Internal Door Installation
Internal door replacement including lining if needed
From £190Garage Door Installation
Up-and-over, roller or sectional garage door
From £1,020Electric Garage Door
Automated garage door with remote operation
From £1,920