Exceptional Workmanship across Surrey

Welcome to TNB Building Services, the preferred choice for house extensions, loft conversions, new builds and renovation work within the county. Located in Bookham, we provide building services to private and commercial clients across Surrey, from Dorking to Weybridge, Guildford to Leatherhead, bringing new-build and extension projects to life. Our team work hard to resolve challenging issues, leaving you fully satisfied with your new living space.

With a wealth of experience, we employ our skills to be more than just house-builders - we can also renovate and extend retail units – with the alterations you need for a high-performing property.

We believe that communication is an essential part of the process, and we will keep you updated at every stage.

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HOUSE EXTENSIONS

for a larger and more spacious property

Skilled in both single- and double-storey house extensions, we can expand your property to make the most of your land. We can assist with planning permission and deliver a range of building services for a fully finished environment.

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HOUSE EXTENSIONS

for a larger and more spacious property

Skilled in both single- and double-storey house extensions, we can expand your property to make the most of your land. We can assist with planning permission and deliver a range of building services for a fully finished environment.

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LOFT CONVERSIONS

from a specialist, accredited team

Attics often provide a large amount of under-utilised space. We turn these environments into fully finished, liveable areas using proven techniques and reliable materials. From dormer to mansard, you can rely on us for all internal and external workmanship.

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NEW BUILDS

with a fully managed, safe work-site

Here at TNB Building Services we bring new home projects to completion. Our experts operate from the ground up, ensuring each construction phase meets a high standard and runs on time. We schedule all aspects for your convenience.

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GARAGE CONVERSIONS

for a stunning multipurpose space

Many homeowners could make better use of their existing garage. By letting us convert your garage, you could be enjoying a larger reception space, an additional bedroom or a gym. The possibilities are endless.

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GARAGE CONVERSIONS

for a stunning and multipurpose space

By letting us convert your garage, you could be enjoying a larger reception space, an additional bedroom or a gym. The possibilities are endless.

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KITCHENS

not just a place to cook

The hub of the home, we can transform your kitchen into a practical, efficient, yet comfortable place to be, with modern appliances and lighting, and possibly a dining area.

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BATHROOMS

for a relaxing sanctuary

We can re-furbish your bathrooom to make a space in which you can relax and re-invigorate yourself, with up-to-date appliances, and traditional or modern fittings.

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BATHROOMS

for a relaxing sanctuary

We can re-furbish your bathrooom to make a space in which you can relax and re-invigorate yourself, with up-to-date appliances, and traditional or modern fittings.

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BUILDING SERVICES

performed by the qualified experts

New builds and existing homes demand the most professional care to guarantee safe living areas. Our company sends qualified personnel and provides bespoke staircases, fitted wardrobes and more to remove the need for multiple teams.

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Why Use TNB Building Services

• Reliable house builders for alterations and house extensions
• A specialist service for bright, luxurious and modern spaces
• The ability to work on new builds and major renovation projects
• Meticulous care for kitchens, fitted wardrobes and bespoke staircases
• Friendly advice with free estimates and references on request
• Fully insured members of the Federation of Master Builders (FMB)
• 12-month return guarantees to touch up any minor issues

Building Trust with Quality Works

Our small yet professional team operates with a customer-focussed approach. All works come with a 12-month defect liability period as standard, and optional extended warranties, so you can truly relax once the work is done.

We have a real passion for construction, whether new-builds or extensions, or smaller projects such as garage and loft conversions, or kitchen and bathroom refurbishments.

Managing Director – James Whiffin

James has spent more than fifteen years in construction management roles, liaising with sub-contractors and main contractors, as well as domestic and commercial clients. His expertise extends to project management, estimating, surveying, contract management, logistics, procurement, programming, tender analysis and 3D modelling.

Construction Projects to an Excellent Standard


Browse our portfolio to see examples of our work. We work efficiently and always to the highest health and safety standards.

Contact us now to discuss your project.