Service
Expert London
Loft Conversions
BLM Group delivers premium loft conversion services for homeowners across South West London and the capital's most desirable neighbourhoods. From Kingston and Chelsea to Wimbledon and Westminster, we transform underutilised attic space into stunning, functional living areas that add significant value to your home.
We understand that a luxury loft conversion requires more than structural work—it demands spatial intelligence, creative design, and technical expertise in building regulations and planning policy. Whether creating a master suite in Wandsworth, a home office in Islington, or a children's zone in Southwark, our team delivers exceptional craftsmanship with meticulous attention to detail.
Having worked alongside London councils on numerous loft projects, we navigate planning requirements seamlessly—ensuring your conversion is compliant, beautifully finished, and ready to enjoy.
Maximising Space
Planning & Compliance
Loft conversions in London often require careful navigation of permitted development rights and conservation area constraints. Our team prepares all necessary applications, liaises with council planning officers, and ensures full building regulations compliance.
Quality & Craftsmanship
Every conversion is delivered by our accredited team, holding NICEIC, Gas Safe, and construction accreditations. From structural steelwork to bespoke joinery and premium finishes, we ensure your new space is built to the highest standard.
Our Process
Assess & Design
We begin with a detailed site assessment, measuring your existing loft space and evaluating structural requirements. Our team explores design options, from dormer windows to full Mansard conversions, providing clear guidance on feasibility, planning requirements, and budget. We ensure every solution maximises usable space while maintaining the architectural integrity of homes.
Build & Finish
Once designs are approved, our construction team delivers to a clear project schedule. We coordinate structural works, roofing, insulation, and all internal finishes—including bespoke joinery, luxury bathrooms, and premium flooring. With full building regulations compliance and regular progress updates, your new loft space is delivered on time and to the highest standard.
FREE Quotation Today
If you're seeking expert loft conversion services for your home across South West London and Greater London, we're here to assist you. Complete the FREE Quotation form below or call us on 0203 355 8631 and let us transform your unused attic into a space you'll love.
what we offer
Explore Our Services
Creating beautifully designed spaces that are functional, sustainable, and built to last
Project Management
Expert oversight ensuring your project stays on time, on budget, and stress-free
Architectural Services
Expert design and planning guidance. From concept to approval
Interior Design
Creating stunning and functional interior spaces tailored to meet your unique needs
Loft Conversions
Transform unused attic space into stunning living areas
Home Extensions
Gain extra living space without the need to move house
Flat Conversions
Transform your flat into a stylish, functional living space tailored to modern London life
Kitchen Extensions
We design and craft beautiful extensions that blend style with functionality
Creating beautifully designed spaces that are functional, sustainable, and built to last
Project Management
Expert oversight ensuring your project stays on time, on budget, and stress-free
Architectural Services
Expert design and planning guidance. From concept to approval
Interior Design
Creating stunning and functional interior spaces tailored to meet your unique needs
Loft Conversions
Transform unused attic space into stunning living areas
Home Extensions
Gain extra living space without the need to move house
Flat Conversions
Transform your flat into a stylish, functional living space tailored to modern London life
Kitchen Extensions
We design and craft beautiful extensions that blend style with functionality