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Business Details
Expert Building Extensions in London
Fineline Building Services has been delivering high-quality building extensions and domestic alterations for 25 years, combining technical expertise with meticulous attention to detail. Our team specialises in creating seamless extensions that harmonise with existing properties, from kitchen/breakfast room additions to comprehensive room expansions. Operating across Elstead, Guildford, Godalming, and surrounding areas, we prioritise client satisfaction through fixed-cost contracts, transparent project management, and a clean build system that minimises disruption.

With extensive industry experience, we ensure every project adheres to the highest standards of craftsmanship and energy efficiency, providing tailored solutions that transform our clients' visions into reality.
Services
Building Extensions Domestic Extensions Home Alterations Kitchen Extensions Room Additions Energy-Efficient Conversions Property Blending Projects
Highlights and features
  • We offer over 25 years of experience in building extensions and domestic alterations.
  • We provide fixed-cost contracts with no hidden extras.
  • We use a clean build system to minimise disruption during construction.
  • We are qualified, experienced, insured, and accredited contractors.
  • We complete projects on time to avoid cost overruns.
Services
Building Extensions
We create seamless building extensions that integrate new living spaces with existing properties. Our expertise ensures functional, aesthetically pleasing results using high-quality materials. Clients benefit from fixed-cost contracts and minimal disruption during construction.
Domestic Alterations
Specialist domestic alterations enhance home functionality while maintaining structural integrity. Our team delivers tailored solutions for internal reconfigurations, ensuring compliance with building regulations and energy efficiency standards.
Kitchen Extensions
Custom kitchen extensions expand living space while optimising practicality. We focus on blending modern design with existing architecture, using energy-efficient materials and proven construction techniques for durable results.
Questions
What areas do you serve for building projects?
We operate in London, Guildford, Godalming, Farnham, and surrounding Surrey and West Sussex areas.
How long does a typical extension project take?
Project timelines vary by scope, but we guarantee completion within agreed deadlines to avoid delays.
Are your contractors qualified and insured?
Yes, all our contractors are certified, experienced, and fully insured for client protection.
Do you provide fixed-cost contracts?
We offer fixed-cost agreements with no hidden extras to ensure budget certainty for clients.