Comprehensive building services tailored to you

Operating throughout Hampshire and Surrey

We undertaking a wide range of building and renovation works, working alongside a highly skilled and a selected group of tradesmen.

We pride ourselves on providing a very professional and personal service for our clients from the very beginning to the completion of their projects.

Our all inclusive building service is tailored to your individual requirements.

A reputation built on trust

A proven track record of providing quality buildings on time and within budget, we have a strong ethos of working with our clients and their consultants. Our reputation has been built on providing a reliable service and quality finished product.


Quality is further assured with AlexanderKarl Ltd being professionally vetted by the Federation of master builders, abiding by a unique code of practice so you can be assured you’ve chosed with confidence.
All plumbing and electrical work is implemented by registered Gas safe and part P approved sub contractors.


We over 30 years of experience, all our work is done fully in compliance with building regulations, keeping ourselves, continuously up to date with the latest knowledge and techniques.

Customer Care

We understand that a building project is not just another contract – it can be very personal experience that has the potential to create stress and disruption; however, we will do all we can to minimise the inevitable upheaval that can occur by liaising with our clients to ensure they are aware of what is happening and appreciate the potential consequences.

Discover more about what we do and how we work

Our Services

Explore our expertise

Our Approach

Discover how we work

Discover some of our most recent projects

Discover the artistry and expertise behind our work and see how AlexanderKarl transforms visions into exceptional reality.

“We loved working with AlexanderKarl and enjoyed the process from start to finish. The whole team are a delight - incredibly well skilled, very professional and polite.”

“Karl of AK stood out to us from the beginning of our project with his level of interest in our plans, his willingness to provide helpful ideas and the detailed way in which he approached the costing of the job.”

Get in touch with us today & start something special in your home.

Proud to be a member of the Federation of Master Builders

The Federation of Master Builders is the largest trade association in the UK construction industry representing the interests of small and medium-sized building companies and lobbying for members at both national and local levels.