Westminster, Greater London
32 Top Rated Builders in Westminster for 2026
32 builders in Westminster ranked by reputation.
Most Recommended Provider in Westminster
1
★★★★★ 4.9 (128 reviews)
- Swift emergency response and efficient service
- Professionalism and high-quality, tidy workmanship
- Transparent pricing and reliable, trustworthy service
Emergency Locksmith ServicesAutolocksmith SolutionsHome Security ServicesBuilding ServicesRefurbishment Services
2
Softwood beech ltd
Top Rated ★★★★★ 5.0 (42 reviews)
- Exceptional workmanship and quality finishes
- Professional, tidy, and respectful team
- Excellent communication and customer service
Construction ExtensionsInterior Exterior RenovationKitchens BathroomsPlumbing ElectricalEmergency Services 247
3
IFA Construction LTD
Top Rated ★★★★★ 5.0 (40 reviews)
- Exceptional craftsmanship and attention to detail
- Professional and efficient project delivery
- Supportive communication and reliable service
House ExtensionsLoft ConversionsNew BuildsRefurbishment
4
SX Basement Construction London
Top Rated ★★★★★ 5.0 (38 reviews)
- Professional basement excavation and construction services
- Reliable team focused on high quality finishes
- Efficient project management from start to finish
Basement Design and BuildBasement Renovation and FitOutBasement ExcavationBasement ConversionUnderpinning
5
BaseBuild Groundworks Construction
Top Rated ★★★★★ 5.0 (35 reviews)
- Expertise in complex structural groundworks and underpinning
- Professional, tidy, and communicative site teams
- Reliable scheduling and efficient project delivery
GroundworksBasement ConstructionPilingForm WorkReinforced Concrete
6
LCL Loft Conversion
Top Rated ★★★★★ 5.0 (30 reviews)
- Skilled professionals delivering exceptional loft conversions.
- Clients praise smooth, hassle-free project experiences.
- Beautifully transformed spaces adding home value.
Home extensionsLoft conversionsTailormade installationsFull Loft ConversionsExtended Loft Solutions
7
Holcman Construction Ltd
Top Rated ★★★★★ 5.0 (29 reviews)
- High quality residential and commercial refurbishment
- Reliable and efficient project management
- Responsive team with exceptional attention to detail
Project ManagementResidential ConstructionCommercial ConstructionNew Build DevelopmentsRefurbishment Services
8
The London House Extensions
Top Rated ★★★★★ 5.0 (26 reviews)
- Exceptional craftsmanship and attention to detail
- Professional and punctual project management
- Seamlessly integrated and functional home extensions
Full Home RenovationsBespoke House ExtensionsLoft TransformationsBasement ConversionsTailored Joinery and Fittings
9
GTS Labour Hire & Construction Ltd
Top Rated ★★★★★ 4.7 (170 reviews)
- Professional and efficient service
- Reliable and timely worker payments
- Supportive and helpful staff
Construction job matchingCandidate advice guidanceConstruction talent searchCandidate screening for employersHiring solutions for construction
10
Craftex
Top Rated ★★★★★ 4.9 (29 reviews)
- Exceptional quality workmanship
- Efficient project delivery
- Professional client communication
Offices WorkspacesWarehousing IndustrialConversions Redevelopment
11
Alchemy Build
Top Rated ★★★★★ 5.0 (19 reviews)
- Expertise in full property renovations and joinery
- Reliable communication throughout the building process
- Professional team known for high quality workmanship
Listed building restorationResidential refurbishmentsKitchen and bathroom transformationsStructural alterationsHome extensions
12
Solution Constructions Ltd
Top Rated ★★★★★ 5.0 (18 reviews)
- Highly professional and expert building services
- Consistently delivers high-quality workmanship
- Reliable, polite, and trustworthy team
House ExtensionsLoft ConversionsKitchen InstallationsBathroom UpgradesDesign Services
13
Keystone Legacy
Top Rated ★★★★★ 4.9 (17 reviews)
- Exceptional craftsmanship and quality results
- Reliable project delivery, on time and budget
- Outstanding customer service and clear communication
Residential construction project managementCommercial construction project managementModern property refurbishmentsStructural upgradesHeritage restorations
14
Specialist Establishment Ltd
Top Rated ★★★★★ 5.0 (12 reviews)
- Exceptional craftsmanship and project quality
- Professional, communicative, and reliable team
- Projects delivered on time and within budget
Preconstruction PlanningArchitectural Design3D ModellingProject ManagementConstruction of new build
15
Crown Preservation Damp Proofing
Top Rated ★★★★★ 4.6 (86 reviews)
- Expert damp proofing advice
- Professional, efficient service
- Honest and money-saving guidance
Damp surveysDamp proofing
16
K&C Carpentry & Joinery Ltd
Top Rated ★★★★★ 5.0 (9 reviews)
- Exceptional craftsmanship and attention to detail
- Professional and reliable service
- Delivers stunning kitchen transformations
Bespoke furnitureKitchen installationsKitchen fitting including measuringBespoke carpentry solutionsHandcrafted cupboards
17
Wilkinson Construction Consultants Ltd
Top Rated ★★★★★ 4.7 (26 reviews)
- Professional and knowledgeable construction consultants
- Responsive and efficient building control services
- Helpful guidance throughout complex building projects
Domestic construction consultancyCommercial construction consultancyProject managementCPD training
18
London Renovation Company
Top Rated ★★★★★ 5.0 (8 reviews)
- Delivering exceptional workmanship and high standards
- Dedicated to customer satisfaction
- Skilled and communicative renovation team
Flat Renovation serving NorthKitchen Renovation serving NorthHome RenovationHouse RemodellingDesign Services
19
Ecoscape Construction LTD
Top Rated ★★★★★ 5.0 (7 reviews)
- Exceptional quality and detailed finishing
- Helpful, cost-saving remote advice
- Comprehensive refurbishment services
Commercial Residential RenovationsProject Management CoordinationDemolition Structural ChangesFraming Drywall InstallationFlooring Tiling
20
AL PROPERTY DEVELOPMENT SERVICES LTD
Top Rated ★★★★★ 5.0 (6 reviews)
- Exceptional craftsmanship and quality
- Projects completed efficiently and on budget
- Professional, polite, and communicative team
Loft ConversionsExtensionsKitchenBathroomsAll Types of RenovationNew Builds
Westminster Builders Frequently Asked Questions
Who are the top rated builders in Westminster?
▶
The top rated builders in Westminster in 2026 are H & M Locksmith and Building Services LTD, Softwood beech ltd, IFA Construction LTD, SX Basement Construction London, BaseBuild Groundworks Construction, ranked by reputation.
Who is the highest ranked builder in Westminster?
▶
H & M Locksmith and Building Services LTD is currently ranked #1 in Westminster, based on its 4.9-star Google rating from 128 reviews.
How are builders ranked on TopRatedBuilders.co.uk?
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Rankings are based on a weighted reputation score combining total review count and average star rating.
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