Why we stand out
Tailored space-maximising designs
We design every conversion around how you'll actually use the room.
One team from first idea to handover
You get a single point of contact throughout your conversion.
Suited to homes and business premises
We convert lofts and garages for residential and commercial clients.
Turn wasted space into a room you’ll use
Unused lofts and garages often end up holding boxes, bikes, and things you forgot you owned when they could be doing a proper job for your home. At I Lewis Builders, we turn those underused areas into practical living spaces that suit real life, from extra bedrooms to home offices and family rooms. A conversion can be a sensible alternative to moving, and if a loft or garage isn't quite enough space, our house extensions service offers another way to grow your home.
We plan each project around your property and the way you live, so the finished space feels like part of your home rather than an afterthought. You’ll get straightforward advice and solid building work from us, with every stage handled carefully from first ideas to final handover.
What your conversion can include
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Loft conversions for extra living space
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Garage conversions with practical layouts
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Home offices for remote working
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Additional bedrooms for growing families
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Playrooms, gyms, and hobby rooms
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Utility room conversions for better flow
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Flooring, plastering and decorating
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Structural alterations and remodelling
A clear process from first chat to completion
Your project starts with a proper conversation about what you need the new room to do day to day. We then assess the property, look at the structure, and work through the practical details before giving you a detailed quotation with transparent pricing.
During the build, we carry out the construction work, structural alterations, and internal remodelling needed to make the space work safely and comfortably. We carry out quality checks throughout, not just at the end when everyone’s tired and reaching for the kettle.