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LOFT and HOME EXTENSION

We can turn your attic into a modern, beautifully large loft room or functional storage space

We create an additional room in your house simply by adapting your existing loft space. Our London Loft Conversions rapidly increase your living space and with a minimal amount of disruption and inconvenience you can add a loft office, bedroom or basic multi-function storage area. Because your new room is developed from a shell it can be your ideal design, modern and contemporary or cosy and inviting. The choice is yours. With an almost blank canvas for design ideas you can plan to have installed the latest electric under floor heating, skylight window controls and en suite bathroom designs. We turn your ideas into reality. From enquiry-to-finish our experience and expertise can take your ideas and put them into practice.
  • Glass brick walls
  • En suite glass bathroom doors
  • Showers
  • Fitted cupboards
  • Electric under floor heating
  • Roof balconies and terrace windows
Our professionalism, experience and quality focus ensures your home will remain structurally sound and safe, but will be significantly larger.

Loft Office

If you work from home then a loft room provides a peaceful work environment and a degree of physical separation from others. We can design a loft for home office use, installing adequate power, light and ventilation required for all-day comfortable loft use.

Loft Playroom

Loft playrooms benefit from maximum light and large windows, smooth polyurethane for easy cleaning and heat-reflective glass to keep temperatures stable. Velux blinds give you inspirational designs and colours to match any child’s playroom, and control of the blinds at the touch of a button.

Loft Bedroom

Lofts can make the ideal ‘extra’ or guest bedroom, a luxury master bedroom, or indeed, a permanent solution to a growing family’s needs. With sound insulation and double glazed skylights the loft can create an exceptionally quiet and relaxing environment high above the clamour of the world below.

Loft Living Room

A loft living room gives splendid views over the cityscape or landscape. Space above all the hustle and bustle of modern life, somewhere to watch the sunset and stars, somewhere private and cosy, or just somewhere a little different in which to socialise.

Storage Attic

A low cost way to maximise your home storage space. Convenient storage space may require strengthened floors, shelving, a loft ladder, and roof skylight. From Ideas to Designs Our understanding and experience in converting lofts and roof structures means we can translate your attic ideas into practical installation of windows, stairs, doors, lighting, and floors. For professional loft solutions and innovative ideas contact Grand Alliance

We can help you extend your home with professional house extensions built to the highest quality

With the cost of moving home ever increasing there has been a rise in the number of cramped householders choosing to stay put and create space in their home by extending their property or converting their loft. Grand Alliance can create additional space in your home with house extensions for clients in the London area. Whether you need extensions to existing rooms, a new kitchen or garage – we can help. The team at Grand Alliance are home extension experts and available to plan and build your dream extension from start to finish. Extending your home will not only give you more space to live, it will also increase the value of your property if built to a professional standard. We turn your ideas into reality. We offer a complete building and house extension service in London and a professional team of expert building engineers to ensure your dream home extension is completed both on time and budget. We also offer all other building services when extending your home such as:
  • Bathroom fitting 
  • Kitchen Fitting 
  • Plastering
  • Painting and Decorating
  • Floor Fitting
  • Tiling
Our professionalism, experience and quality ensures your home will remain structurally sound and safe whilst giving you a lot more living space. Our understanding and experience in house extensions means we can help you realise your dream of extending and increasing the space and value of your home. For professional house extensions and innovative ideas CONTACT US for a free quote or Call Now on 020 3556 5108 

Why choose us?

London’s choice for building and repairs


Projects done on time

Our team will do all your projects on time ad well within the budget. You can be safe and certain about that with our company.

Always available

We’re there for you anytime you need us. Contact us for a consultation, estimate or any question you might have about your project or our work.

Professional and responsible

You can always turn to Grand Alliance Ltd. Our team of professionals will help you realise your dreams for your building.

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Welcome to Grand Alliance

Grand Alliance have been servicing the London area for over 15 years. Our contractors and teams have built a strong reputation for honest and competitively priced work without compromising on quality.

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