Design & Build Company London - G & J Construction LTD

G&J Construction Services Ltd

Design & Build

01. Design & Planning

02. Design & Build

03. Construction

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Trusted North London Builder

Architectural Design & Planning Applications

We provide architectural design and planning services, helping homeowners unlock the full potential of their properties.

Design & Build

We offers a complete, fully managed solution for homeowners looking to extend, renovate, or build a new home, by bringing together design, planning and construction.

Construction

We deliver high-quality residential construction projects with a commitment to exceptional workmanship, attention to detail, and professional project management.

Basement

A basement conversion is one of the most effective ways to create valuable additional living space while maximising the potential of your property.

House Extensions

A house extension is one of the most effective ways to create additional living space while enhancing the value and functionality of your home.

House Refurbishments

A house refurbishment is an opportunity to transform your property into a home that better improves functionality, and enhances long-term value

New Build

A new build project represents a complete end - to - end construction service, delivering a bespoke property from the ground up.

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Design & Build Company London - G & J Construction LTD

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Side Extensions Services North London - G & J Construction LTD

Project 6

      EXCELLENT  
   Based on 1 reviews 
    
 
 
 
   
 
 
       Posted on Google  
   
   MARKO GALLINA 
 July 20, 2026
 
 
 Trustindex verifies that the original source of the review is Google. A fantastic experience from start to finish. Jurgen transformed our loft into a bright, modern space with a stunning roof balcony and large glazed doors. The workmanship was exceptional, the project was well managed, and the team was always professional and reliable.

The new room has completely changed our home, adding valuable living space and an amazing feature we enjoy every day. We couldn't be happier with the result and would happily recommend G&J Construction to anyone planning a loft conversion or home improvement project.
  
 
      Posted on Google  
   
   Melania C 
 July 16, 2026
 
 
 Trustindex verifies that the original source of the review is Google. We couldn't be happier with the extension completed by Jurgen and the G&J Construction team. From the initial consultation through to completion, the entire process was well organised, transparent, and professionally managed.

Our ground floor extension has completely transformed the way we use our home, creating a spacious open-plan kitchen, dining, and family area filled with natural light. The quality of the workmanship is outstanding, with excellent attention to detail throughout every stage of the build.

Jurgen kept us updated with regular progress, managed the project efficiently, and ensured everything was completed to a very high standard. The team was always punctual, courteous, and kept the site clean and tidy, making the whole experience as stress-free as possible.

The finished extension has exceeded our expectations and has added both valuable living space and significant value to our home. We have already received so many compliments from family and friends and would not hesitate to recommend Jurgen and G&J Construction to anyone considering an extension or refurbishment project.

Thank you for delivering such a fantastic result.