Based in Gravesend, Kent JA Maxwell & Son has more than 60 years of professional building experience in the South East. As a family business, we understand the value of home and our building expertise means we can create spaces people and families can enjoy and love for years to come. 
Based in Gravesend, Kent JA Maxwell & Son has more than 60 years of professional building experience in the South East. As a family business, we understand the value of home and our building expertise means we can create spaces people and families can enjoy and love for years to come. 
We bring more than 60 years of professional building experience to the table. We understand that building or renovating a home is a significant step, and we’re here to ensure the process is seamless. Since our establishment in 1959, JA Maxwell & Son has provided a range of services, including house extensions, loft conversions, renovations, and general building works, to name a few. We pride ourselves on consistently delivering high-quality work that meets both our clients’ expectations and industry standards. 


House Extensions 

Our team of skilled tradesmen are experts in house extensions. We have the knowledge and know-how to transform the available space around your home into functional and enjoyable areas. Whether it's a Side Extension, Single or Double Storey Extension, Bungalow Conversion, or Rear Garden Extension – we help many households in Kent turn their dream home into a reality. 

Loft Conversions 

Maximise your home's potential with our loft conversion services. Transform your under utilised loft space into a functional space that improves your lifestyle, be it a luxurious master bedroom, a creative workspace, or a cosy guest room with ensuite. 

House Refurbs 

Breathe new life into your home with our refurbishment services. Our professional team will work closely with you to ensure we revive your home to its former glory or give it a completely new look whilst retaining the charm and character. 

House Renovations 

Revitalise your home with our renovation services. Whether you're looking to modernise your interiors or restore period features, our professional team will deliver results that combine practicality with aesthetics. 

General Building 

From minor repairs to major constructions, our general building services cover it all. We bring professionalism, attention to detail, and a high level of craftsmanship to every job, ensuring we meet your unique needs and standards. 

Home Modifications 

Improve the functionality and accessibility of your home with our home modification services. Whether it's installing ramps, widening doorways, or modifying bathrooms and kitchens for accessibility, we deliver solutions that make your home more comfortable and safe. 

Garage Conversions 

Utilise your garage space effectively with our garage conversion services. We can transform your garage into a practical, comfortable space such as a home office, gym, or additional living room, increasing the value of your property. 


Create additional space on your property with our outbuilding services. From garden sheds and summer houses to studios and home offices, we construct outbuildings that are both practical and aesthetically pleasing. 

Bathrooms & Kitchens 

Upgrade your bathroom and kitchen to a modern and functional new space to enjoy and relax in. We combine functionality and style to deliver spaces that enhance your daily routines whilst adding value to your home. 


Add curb appeal to your home with our porch building services. We design and construct porches that not only enhance your home's entrance but also provide additional storage space and security. 

New Builds for Smaller Developments 

We manage small house development projects with a focus on quality, efficiency, and sustainability, delivering homes that are built to last and designed to impress. 
Learn more about our full range of building services: 

Project Management 

At JA Maxwell & Son, we do more than just build. We take care of your entire project from start to finish. We handle all aspects of the project, from help with sourcing materials, through to construction and finishing, ensuring each project is completed in a timely manner. Including: 
Custom home construction 
Home extensions and renovations 
Kitchen and bathroom remodels 
Basement conversions 
Loft conversions 
Garden and patio landscaping 
Interior and exterior finishes 


To provide you with utmost confidence, we hold membership in the Federation of Master Builders. You can view our FMB Profile here. Furthermore, we have substantial insurance coverages including Public Liability, Employers Liability, Contract Works, and Professional Indemnity Insurance. As members of the Federation of Master Builders, our work adheres to rigorous standards. This affiliation is testament to our commitment to quality and professional approach in all we undertake. 

Our Approach 

Customer satisfaction is at the forefront of what we do. A substantial number of our clients have relied on our services time and time again, a testament to our dedication to building experience and expertise.  

Our Reach 

Based in Gravesend, Kent, we primarily serve North Kent but are also available to work throughout the entire Kent area. Please view our projects to see examples of our work. 

Get in Touch 

If you’re ready to start a new building project, get in touch with us today. At JA Maxwell & Son, we’re committed to transforming your ideas into a reality, with the highest industry standards. 
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