Cardiff, Cardiff
20 Top Rated Builders in Cardiff for 2026
20 builders in Cardiff ranked by reputation.
Most Recommended Provider in Cardiff
1
Skyline Rope Access Ltd
Top Rated ★★★★★ 5.0 (22 reviews)
- Expert, knowledgeable trainers
- Welcoming training environment
- Highly recommended courses
Highlevel rope access solutionsDiamond DrillingEnvironmental highlevel servicesHighlevel CleaningHighlevel Inspection
2
Rise Construction Cardiff Ltd
Top Rated ★★★★★ 5.0 (20 reviews)
- High quality workmanship and finish
- Reliable and clear communication
- Professional and organised project management
General building contractingDomestic building servicesCommercial building servicesHome building
3
★★★★★ 5.0 (15 reviews)
- Delivers exceptional quality groundworks and landscaping
- Praised for professionalism and clear communication
- Consistently earns strong customer recommendations
LandscapingGroundworksCivil EngineeringCivil Engineering ConsultancyTransformational Makeover Projects
4
Mark James Building Contractors Ltd
Top Rated ★★★★★ 4.9 (13 reviews)
- High quality workmanship on extensions and renovations
- Reliable project delivery within agreed timescales
- Clear communication and professional project management
House extensionsFull property renovationsKitchen refurbishmentsBathroom refurbishmentsNew builds
5
Sphinx Constructions Ltd
Top Rated ★★★★★ 4.9 (10 reviews)
- Professional and reliable construction services
- Excellent communication and customer care
- Efficient delivery of diverse building projects
Crafting iconic structuresConstruction servicesBuilding projects in Cardiff
6
Reid Building Limited
Top Rated ★★★★★ 5.0 (7 reviews)
- Professional and reliable building services
- Projects completed on time and within budget
- Highly recommended for quality workmanship
New BuildsHouse ExtensionsGroundworksCommercial Building ProjectsHouse Refurbishment
7
Vaultstone Limited
Top Rated ★★★★★ 5.0 (6 reviews)
- Expert stonework and craftsmanship
- Professional, helpful and communicative team
- Transparent pricing and project delivery
StoneworkConservationRestorationStone constructionRaw stone sourcing
8
Aldrebeconstruction
Top Rated ★★★★★ 4.7 (12 reviews)
- Exceptional workmanship and attention to detail
- Reliable, professional service with clear communication
- Competitive pricing for comprehensive building projects
TilingKitchen fittingPavingCarpentryFlooring
9
ABN Construction Ltd
Top Rated ★★★★★ 5.0 (5 reviews)
- Professional and reliable builders
- Delivering high standard of work
- Excellent customer service and teamwork
Property RefurbishmentLoft ConversionsHome ExtensionsOperations and MaintenanceEngineering Consultancy
10
Thortech International Ltd
Top Rated ★★★★★ 4.5 (30 reviews)
- Professional, efficient service and quick project completion.
- High-quality workmanship leading to excellent, beautiful results.
- Friendly, helpful team providing great customer experience.
Antislip coating installationAntiskid surfacing system installationResin bound aggregate installationResin bonded driveway installationRoad surfacing
11
Gallery Loft conversions
Top Rated ★★★★★ 4.5 (19 reviews)
- Exceptional design and high-quality craftsmanship
- Professional, communicative, and friendly team
- Transformed homes, exceeding customer expectations
Loft conversionsInitial designProject managementDecorationDomestic construction
12
Camilleri Construction Limited
Top Rated ★★★★☆ 4.4 (14 reviews)
- Professional and communicative team
- High-quality work, excellent finish
- Expertise in insurance repairs
Comprehensive RepairsFoundation RepairsRoof RepairsConstruction ServicesMajor Loss Claims
13
Dale Building Maintenance Ltd
Top Rated ★★★★☆ 4.2 (100 reviews)
- Professional and friendly service
- Efficient project delivery
- Consistently high quality workmanship
Reactive Facilities MaintenanceMinor Works RefurbishmentInsurance Restoration Services
14
Prokil Cardiff
Top Rated ★★★★☆ 4.2 (45 reviews)
- Professional and efficient service
- High-quality damp and timber work
- Reliable and competitive pricing
Damp proofingTimber treatmentPlasteringDamp proof course installationGeneral building services
15
Morgan Sindall Construction
Top Rated ★★★★☆ 4.2 (5 reviews)
- Highly rated by most customers
- Strong positive client feedback
- Professional project delivery
PlacemakingConstruction project deliveryPrimary school constructionDigital and platform designModern construction methods
16
Atlantic Construction
Top Rated ★★★★☆ 4.2 (5 reviews)
- Reliable and professional building team
- Consistently delivers projects on budget
- High standard of workmanship on refurbishments
New BuildsHome ExtensionsHome RenovationsLoft ConversionsCommercial Construction
17
Tremorfa Ltd
Top Rated ★★★★☆ 4.0 (6 reviews)
- Positive customer feedback
- Overall service excellence
- Client satisfaction focus
Mechanical Electrical PlumbingElectronic SecurityFire Detection ProtectionPhysical SecurityService Maintenance including Planned
18
★★★★☆ 3.8 (9 reviews)
- Skilled in diverse building and renovation projects
- Trustworthy, professional, and customer-focused team
- Delivers high-quality workmanship and support
RenovationsExtensionsTimber Frame ExtensionsEthical Home RenovationInsurance Works costing planning
19
★★★☆☆ 3.3 (7 reviews)
- Successful project outcomes reported
- Good initial service experiences
- Satisfied client base exists
New home buildingPartnership housing solutionsProperty refurbishmentProperty retrofit solutionsLater living communities
20
★★★☆☆ 3.1 (7 reviews)
- Some customers report satisfactory experiences
- Provides new housing developments
- Operated by a well-established national brand
Building and selling newOffering 3 4Providing sustainable new homesHome customisation and personalisationDevelopment of new residential
Cardiff Builders Frequently Asked Questions
Who are the top rated builders in Cardiff?
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The top rated builders in Cardiff in 2026 are Skyline Rope Access Ltd, Rise Construction Cardiff Ltd, Rejuvenate Groundworks Development Group Limited, Mark James Building Contractors Ltd, Sphinx Constructions Ltd, ranked by reputation.
Who is the highest ranked builder in Cardiff?
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Skyline Rope Access Ltd is currently ranked #1 in Cardiff, based on its 5.0-star Google rating from 22 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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