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Last updateTue, 24 May 2022 10am

Benfield ATT Group

5-6 Castle Way
Severnbridge Industrial Estate
NP26 5YG
Contact Person: Prof. Dr Michael Benfield
Email: This email address is being protected from spambots. You need JavaScript enabled to view it.
Phone: 01291 437050
Occupation: Structural Timber Frame Engineers, Manufacturers of Low Energy Buildings, Design & Build Projects

01291 437050

This email address is being protected from spambots. You need JavaScript enabled to view it.

Save the World - and your Wallet!

With Low Energy, High Insulation, Super Airtight, Low Carbon Footprint structural timber buildings from Benfield ATT Group.

Partner with Professionals

Benefit from 3D design and engineering, through off-site factory built components, to project management and full turn-key projects.

Build Your ‘Grand Design’

Whether you want to build on dry land, flood zone, water, or ‘in the air’ (on top of other structures), we’re ready to take on the challenge and deliver the solution. No project too small, large, or difficult, we love being innovative, as well as cost conscious. Whatever you want, Wherever you want it (including overseas) – talk to us first.

Choice of Timbers, Systems, Styles & Components

Traditional and modified Post & Beam, Timber Frame, SIP and CLT structures, soaring entrance frames, Green Oak Feature Trusses, porches, prefabricated dormers, pre-hung door sets, timber, uPVC and Aluminium doors, windows and bi-folds. External claddings, brick and stone slips, render, roof tiles, cedar shingles, slates.

Fast, Comprehensive Solutions

Custom Homes, Bespoke Self-Builds, Houses, Bungalows, Flats, Penthouses, Home Extensions, new Housing Developments, Community Centres, Village Halls, Pavilions, Schools, Hotels, Holiday Parks, Lodges, Healthcare. Our unique ‘Full Service’ group of ISO Certified companies offers you a comprehensive range of services and supplies. 

 Trusted Brands


Make things easy for you & your architect

Access specialist timber engineering ‘know-how’. Get help with timber design and talking to planners. Buy drawings, planning, engineering, project management and other Professional Building Services for your project. 

Enjoy more space for the whole family

Ground floor, first floor, roof conversions, complete remodelling, granny annexes, garden studios – whatever you want choose the most affordable, eco-friendly, energy saving extension for you. Ensure you understand the different stages of construction and how to avoid the common pitfalls with our useful guides. Call us now.

Create Your New Energy Saving Home

Eco-Build Comfort, Quality and Affordability. Standard & bespoke houses and bungalows; special features and components; traditional green oak buildings, soaring cathedral entrances and more. SIP, Timber & CLT frames. Full design, engineering, technical support, QS & project management. Gallery of ready to build homes.

Easy to Build ‘Heritage’ Post & Beam System

The UK’s largest range of standard garages & car ports - on-line, all rationalised for speed, efficiency and economy. Highly customisable. Rooms in the roof, raised eaves, bespoke designs, garden rooms, outdoor kitchens, stables, and more. Wide range of roof coverings, claddings, windows, insulation, etc. for your perfect ‘Traditional’ building.

Traditional Green Oak & Douglas Fir Trusses

Design doesn’t have to stop at the walls. A large eye-catching feature green oak truss, or entrance frame, will add a bright, open, airy feel to your home. Choose from standard or bespoke designs for new or replacement structurally engineered trusses, beams & components. Full height entrances, orangeries, porches. Check our prices now.

Building your own Timber Frame House

Use these modular building elements to quickly layout a plan, establish the building framework, assess the cost of the resulting low energy, hybrid timber frame structure, and build it with ease. Strong Factory Insulated Panels (FIPs) combined with Post & Beam principles simplify basic building design and construction. 

Building with SIPs

Most SIP’s are 100mm and 180mm thick, often needing additional insulation inside or out to meet regulations. Simply SIPs offer up to 240mm thickness. Generally these are in a standard 1200mm x 2400mm size, but can be longer by special request. SIP panels can be used for roof and, in some circumstances, floors. 

Delivering your own “Grand Design”

Full SIP’s and Timber Frame Design & Builds for Custom & Bespoke Self-Builders. Choose from our menu of services from foundations & shell, to turn-key completion. Building Regulation plans, Materials schedules, Project management. Low cost, low energy, low impact buildings. Specialist Merchant supplies for timber, cladding, roofing, external doors, windows, linings, stairs, internal pre-hung door sets, mouldings, kitchens and more. 

 Our Heritage

Originally established in 1995 to build Scandinavian style high efficiency homes for Scandia-Hus (the ATT part), our roots in construction go back over 80 years.

Our heritage covers timber logging, milling, joinery manufacture, town planning, technical design, builder’s merchants, full on site construction, and many housing developments.

Today, literally thousands of families enjoy the comfort and security of living in Benfield ATT Homes, while our design and build facilities produces eco-buildings for education, healthcare, industrial, commercial, retail, and leisure sectors from our factory.

Under the stewardship of our chairman, Chartered Environmentalist Professor Dr. Michael Benfield, we are one of the UK’s leading exponents in the design and delivery of environmentally sustainable, economic, low energy buildings. We hold many certifications, qualifications and memberships, including Chartered Building Consultants, Chartered Surveyors, TRADA, ISO, IIP 

DownloadsVideosOnline Information

“Designing your Dream Home”
Put your house design ideas down on paper with the help of this FREE guide

“Guide to Building Regulations”
Legal construction standards that must be conformed to, when building in UK 

“Components & Tech Information”
Listing of supplier brochures, data sheets, supplied

“e-Booklets - essential information”

Impact on the Community Award

Considerate Constructors Scheme

SolidLox – Post & Beam System Build

SolidLox – Post & Beam Case Study

Grand Garages

Traditional Oak Frame Extension

Britain’s Housing Crisis (Article)

Designing Your Dream Home

Guide to Planning Permission

Timber Frame Pricing Guide

Benfield ATT Group, 5-6 Castle Way, Caldicot, Mon. NP26 5PR   01291 437050   This email address is being protected from spambots. You need JavaScript enabled to view it.

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