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Business Details
12 Years
experience
Expert Loft & Garage Conversions in Leeds
Established in 2014, R S J Loft & Garage Conversions is a Leeds-based construction company specialising in transforming underutilised spaces into functional living areas. Our team, with over 35 years of combined industry experience, delivers loft and garage conversions across West Yorkshire, prioritising minimal disruption, strict adherence to timelines and budgets, and a lifetime guarantee on all projects. We manage every aspect of the process, from initial design to final execution, leveraging a trusted network of tradespeople to ensure exceptional quality.

Client testimonials consistently highlight our professionalism, attention to detail, and ability to exceed expectations. Our unique approach includes complimentary services like daily clean-ups, pet care, and parcel handling during projects, reinforcing our commitment to customer satisfaction. As a locally rooted business, we combine traditional craftsmanship with modern project management techniques to deliver tailored solutions that enhance property value and client lifestyles.
Services
Loft Conversions Garage Conversions Home Extensions Property Renovations Space Optimisation
Details
  • Year established: 2014
Highlights and features
  • We provide a full-service solution with 35+ years of combined construction expertise.
  • Our project guarantees ensure all work completes on time and on budget.
  • Lifetime warranties offer long-term peace of mind for all conversion projects.
  • Daily clean-ups and pet care services minimise disruption during renovations.
  • DBS-checked team members ensure safety and professionalism in every home.
What people say
Efficient, high quality Minimal disruption Lifetime guarantee DBS-checked team Property deep-cleaning
Services
Loft Conversions
Transform unused loft space into functional living areas while adding property value. Our expert team delivers bespoke designs tailored to structural requirements and lifestyle needs. Clients benefit from minimal home disruption, guaranteed timelines, and a lifetime warranty on completed work.
Garage Conversions
Repurpose garage areas into habitable rooms like offices, kitchens, or bedrooms. We manage full project cycles including planning, structural modifications, and finishing touches. Services include architect coordination, DBS-checked staff, and post-project property deep-cleaning.
People
Jonathan Reed
Co-Founder
With 18 years in construction management, Jonathan co-founded RSJ in 2014. He oversees project delivery and client relations, combining technical expertise with hands-on problem-solving to ensure client satisfaction.
Simon Thomis
Co-Founder
Bringing 17 years of building trade experience, Simon leads operations and supply chain management. His focus on quality control and team development has driven the company's 98% client retention rate since inception.
Questions
What areas do RSJ serve for conversion projects?
We operate across Leeds and West Yorkshire, with clients from Harrogate to Wakefield.
Do loft conversions require planning permission?
Most loft conversions don't need planning permission, though we handle all necessary architectural coordination.
What guarantees apply to completed work?
All projects include a lifetime guarantee covering structural integrity and workmanship quality.
How long do typical conversions take?
Garage conversions average 2-4 weeks, while loft projects typically complete within 5-8 weeks.
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