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Business Details
26 Years
experience
Expert Loft Conversions in West Sussex
ABM Lofts has been transforming homes across Sussex, Surrey, and the southeast for over two decades. As a trading name of ABM Building Services Ltd, we specialise exclusively in loft conversions and house extensions, combining technical expertise with creative design to maximise property potential. Our BBA-certified team delivers bespoke solutions tailored to individual family needs, from initial concept through planning approval to completion. With hundreds of successful projects completed, we prioritise quality craftsmanship, regulatory compliance, and minimal disruption during construction.

Our 10-year insurance-backed guarantee reflects our confidence in workmanship, while our in-house interior design service ensures seamless integration of new spaces with existing homes. Operating from our Horsham base, we serve locations including Crawley, Dorking, and Reigate, maintaining strong local knowledge while adhering to the highest industry standards.
Services
Loft conversions House extensions Dormer conversions Planning applications Building regulations compliance
Details
  • Year established: 2000
Highlights and features
  • We offer over 20 years of specialist experience in loft conversions
  • Our BBA-certified team ensures regulatory compliance and quality assurance
  • We provide 10-year insurance-backed guarantees on all work
  • We deliver bespoke designs tailored to individual property requirements
  • Our in-house design team creates seamless architectural integration
Associations and certifications
  • BBA
What people say
Completed on time Minimal disruption Professional team Exceeded expectations Excellent communication
Services
Loft conversions
We specialise in converting unused loft space into functional living areas that add significant value to properties. Our expert team handles all aspects from structural modifications to finishing touches, ensuring compliance with building regulations while maximising usable space. Each project receives tailored design solutions to create comfortable, practical rooms that meet individual client needs.
House extensions
Our house extension services create additional living space that seamlessly integrates with existing architecture. We manage complete build processes including foundations, structural work, and interior design coordination. Projects incorporate modern design principles while maintaining aesthetic harmony with original property features and local planning requirements.
Dormer conversions
We design and construct dormer extensions to increase headroom and natural light in converted loft spaces. Our solutions combine structural integrity with architectural appeal, using quality materials that match property style. Each dormer is engineered for durability and energy efficiency while meeting all regulatory standards.
Planning applications
Our team manages complete planning processes for loft conversions and extensions, including submission preparation and authority liaison. We ensure compliance with local regulations while maximising approval chances through detailed technical drawings and documentation that address all planning considerations.
Building regulations compliance
We guarantee all projects meet current building regulations through expert design and quality materials. Our BBA-certified team implements fire safety measures, structural calculations, and insulation specifications that satisfy legal requirements while ensuring long-term safety and energy efficiency for all conversion projects.
People
Clinton
Project Manager
With over 20 years in construction, Clinton leads projects from concept to completion. He specialises in creating open-plan living spaces and managing complex structural changes while maintaining clear client communication throughout each project's lifecycle.
Brandon
Design Consultant
Brandon works closely with clients to develop tailored design solutions that maximise property potential. He guides homeowners through layout options and regulatory requirements, ensuring practical spaces that align with both aesthetic preferences and functional needs.
Mitchell
Site Supervisor
Mitchell oversees daily operations on construction sites, ensuring quality standards and safety protocols. He coordinates tradespeople and addresses technical challenges, maintaining project timelines while delivering meticulous attention to detail in every completed space.
Questions
Do I need planning permission for a loft conversion?
Most loft conversions fall under permitted development, but we guide clients through all regulatory requirements and obtain necessary approvals.
How long does a typical loft conversion take?
Project duration varies by complexity but averages 8-12 weeks from start to completion for standard conversions.
Are your builders certified and insured?
We are BBA-certified with full insurance coverage and provide 10-year guarantees on all structural work.
Can you help with interior design after conversion?
Our in-house design service assists with space planning, storage solutions, and finishing touches post-construction.
What areas do you cover?
We operate across West Sussex, Surrey, and the southeast including Horsham, Crawley, Dorking, and Reigate.
How do you handle unexpected issues during work?
Our experienced team proactively addresses challenges while maintaining transparent communication throughout the project.
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