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Onyx Builder Ltd

9.87/10

Swindon, Wiltshire

Checkatrade member since October 2022

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Services

  • Wall Tie Replacements
  • Brick / Concrete Structural Repairs
  • Concreting
  • General Building
  • New Builds
  • Fire and Flood Renovation
  • Partition Walls
  • Agricultural Building
  • Basement / Cellar Conversions
  • Extensions / Conversions
  • Loft Conversions
  • Period Property Restoration
  • Project Management
  • Refurbishments
  • Sustainable Construction
  • Suspended Ceilings
  • Building Merchants
  • Property Maintenance / Repair
  • Cladding
  • Car Ports
  • Mastic Sealant
  • Workshop Design / Construction
  • Equestrian Stable
  • Garage Conversions
  • Stretched Ceilings
  • Foundations
  • Tree Houses
  • Heritage Property Specialist
  • Repair and Listed Building Specialist
  • Warehouse Racking
  • Insurance Claim Specialist
  • Structural Steels
  • Diamond Drilling
  • Structural Design
  • Steel Fabrication
  • Steel Work Design
  • Garden Studios
  • Concrete Garages
  • Green Oak Framing
  • Demolition
  • Core Drilling
  • Emergency Builder Service

Customer Reviews

Write a review

9.87 /10

Based on 5 reviews over the past 12 months

Quality of work

10

Reliability

9.8

Communication

9.8

Reviews (34)

  • 10

    Great work and recommend to others

    Posted 1 day ago

    Highly recommend Florin and his team. Very impressed with the work they carried out and will be sure to use him again in the future Thank you again for everything and very happy with the finished project
    Job location: SN2
  • Tracey P
    10

    full renovation of bedroom, including adding stair bannister and stair cladding

    Posted 21 March

    Florian and his team are so professional and meticulous. Communication was clear, they asked questions along the work journey. On a personal note, the team are friendly, approachable and very diligent. I would highly recommend (and I'm not easy to please!)
    Verified reviewer
    Job location: SN1
  • 10

    kitchen installation

    Posted 13 December 2025

    I’m very happy with the kitchen installation. The onyx builder ltd did a great job and the finish looks excellent. Everything was installed neatly and with care, and the end result is exactly what I was hoping for. Professional, reliable, and easy to work with. I would happily recommend them to others.
    Verified reviewer
    Job location: SN1
  • 10

    Repairs sagging ceiling

    Posted 12 August 2025

    Very professional and high quality of work
    Verified reviewer
    Job location: SN3
  • 9.33

    Quality contractor.

    Posted 24 July 2025

    We have used Onyx for redecoration, refurbishment & general maintenance works, both internally & externally. Florin & his team have produced high quality workmanship & have been polite & professional throughout. Some of the works have involved tight programmes but they were achieved within time & budget. I would not hesitate to recommend this company.
    Job location: SN5
  • 10

    painting and decorating

    Posted 06 April 2025

    I recently hired Onyx Builder Ltd for painting and decoration work in my home, and I couldn’t be happier with the results. From start to finish, the team was professional, reliable, and highly skilled. They paid great attention to detail and made sure everything was finished to a very high standard. The painters were punctual, tidy, and respectful of the space. They offered helpful advice on colors and finishes, which really made a difference in the final look. The job was completed on time and within budget, with no hidden surprises. I highly recommend Onyx Builder
    Verified reviewer
    Job location: SN25

Photos

+39

Company Info

Owner

Mrs Ana Marku

Ltd Company

4 years on Checkatrade

VAT Registered

No

24 Hour Call-outCards AcceptedCommercial WorkFree EstimatesInsurance Work UndertakenDomestic Work

At Onyx Builder Ltd our mission is to provide quality constructions and to create special places for living, working, and playing.

We will strive to implement a long-term relationship with our clients, based on safety, quality, and timely services, exceeding their expectations and gaining their trust through exceptional performance by every member of the team.


Onyx Builder Ltd offers a full range of quality building services in the Swindon, Wiltshire area.


Our team can help you with:


· House Renovation

· Plumbing

· Flooring and Tiling

· Loft Conversion

· Carpentry

· Extension

· Roofing

· Painting and Decorating

· Driveways and Patios

· Kitchen and Bathroom

· Decking

· Shed

· Garages

We look forward to working with you, Please get in touch.

This trade passed up to 12 Checkatrade vetting checks

Member since October 2022

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  • Qualifications and accreditations

  • County court judgement

  • Open source media

Business checks

  • Customer Reviews

  • Company trading history

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  • County court judgement

  • Enhanced business check

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