Increase your home’s potential and value by adding an extension.

T.A.S Developments specialise in construction of residential homes and provide a full life cycle construction service – design and build to meet your requirement.

Making Your Dreams Come True

From home improvements to house extensions & loft conversion, We are the most reliable builder in London
Our services
Services overview

We offer fast, professional and exceptional services

We convert and enlarge properties by building extensions, loft conversions, re-design and refurbishments. Our qualified, professional craftsmen are friendly craftsmen, you can trust with a cost effective, efficient and reliable service to meet all your building and decorating requirements.

As an established North London building contractors we have many years’ experience in building home extensions as well as liaising with architects and structural engineers and keeping to designs exactly.

Loft Conversion

We can help you convert your loft or garage into a comfortable and practical living area, be that a lounge, study or en-suite bedroom.
Give us a ring and we’ll provide you with a free site survey and quote, discussing all aspects of the project with you.


If you’re planning the building refurbishment of your home or office look no further.


We can offer a wide range of services from Roof Carpentry and Roof coverings to a complete Loft Conversion.


We can undertake all types of domestic and commercial plastering and rendering work.

New Build

We undertake new building projects delivering on time and within budget, meeting your expectations.


The job was done perfectly. I really appreciate how you installed my door locks!

Amy Schultz

Home Design

We ended up with the best security system in the area thanks to these guys.

Paul Jameson

Medical Group

Liked the way you guys treat your customers, the prices are pretty great too!

Mary Vinero


Thanks for the quick and professional service! I was happy to know about safety.

Romeo Sanchez

Hotels Group
Extensions Built
Loft Conversions
Satisfied Customers