Business Details
15 Years
experience
Expert Loft Conversions in London
Ash Island Lofts, based in Chiswick, London, specialises in delivering high-quality loft conversion projects across London and Surrey. Our experienced team offers end-to-end services, from design and planning permission to construction and decoration, ensuring seamless execution tailored to client specifications. With a focus on quality, innovation, and value for money, we pride ourselves on exceeding client expectations through meticulous craftsmanship and a proven expertise in adding commercial value to every project. Our in-house design, project management, and building services simplify what can be a complex process, supported by a 5-year guarantee on all builds.Recognised as FMB-approved specialists and Certified Velux Installers, we combine skilled workmanship with transparent communication to deliver projects on time and to exact fixed-price quotations. Positive client testimonials highlight our professionalism, efficiency, and ability to transform homes with minimal disruption, cementing our reputation as a trusted leader in loft conversions.
Services
L Shape Mansard
Hip to Gable
L Shape Dormer
Single Dormer
Double Mansard
Single Mansard
Details
- Year established: 2011
Highlights and features
- We guarantee our builds for 5 years
- We are FMB approved
- We offer a free survey and advice
- We work to a very high standard
- We provide an end to end service
Associations and certifications
- Federation of Master Builders
- Certified Velux Installer
What people say
Exceeded expectations
Highly recommend
Finished ahead of schedule
Transparent pricing
Excellent communication
Services
L Shape Mansard Loft Conversion
L Shape Mansard conversions maximise space, adding up to 410 sq ft for master bedrooms, bathrooms, and studies. Our designs ensure structural integrity while enhancing natural light and property value. Clients benefit from a seamless process, from planning permission to final decoration, with expert project management throughout.
Hip to Gable Loft Conversion
Hip to Gable conversions create spacious rooms by extending the roofline. Ideal for properties with hipped roofs, this service adds significant floor space while maintaining aesthetic harmony. We handle all regulatory approvals and deliver tailored solutions to meet individual client needs.
Single Dormer Loft Conversion
Single Dormer conversions add 260 sq ft of usable space, perfect for en-suite bathrooms or bedrooms. Our team ensures minimal disruption during construction, combining speed with precision to deliver functional, light-filled rooms that enhance home value.
Double Mansard Loft Conversion
Double Mansard projects add 350 sq ft, often creating two bedrooms and a bathroom. We specialise in integrating these extensions with existing structures, ensuring compliance with building regulations and delivering high-quality finishes that meet exact client specifications.
End to End Service
From initial design to final decoration, our end-to-end service covers planning, construction, and regulatory compliance. This holistic approach ensures consistency, reduces client workload, and guarantees timely completion, supported by transparent communication at every stage.
Questions
What types of loft conversions do you offer?
We specialise in L Shape Mansard, Hip to Gable, L Shape Dormer, Single Dormer, and Double Mansard conversions, tailored to your property's needs.
Do you handle planning permission and building regulations?
Yes, we manage all planning applications and ensure compliance with building regulations as part of our end-to-end service.
How long does a typical loft conversion take?
Most projects take 5-8 weeks, depending on complexity, with some completed in as little as 3 weeks.
Are your services available outside London?
We primarily serve London and Surrey, including TW and KT postcode areas.
What guarantees do you offer?
All builds come with a 5-year guarantee, and we ensure transparent pricing with no hidden fees.
Can I visit completed projects?
Yes, we invite you to view previously completed conversions to see our workmanship firsthand.
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