Architectural Oak Frame Structures, Copper Features & Bespoke Doors – UK
Based in Leicestershire, JMK specialises in the design and construction of bespoke oak frame structures, architectural copper features and handcrafted entrance doors for clients across the Midlands and throughout the UK.
We combine traditional timber framing principles with contemporary architectural detailing to create permanent, design-led structures.
Oak Frame Structures
We design, manufacture and install traditionally jointed oak frame buildings using structural-grade green oak.
Our work includes:
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Bespoke oak pergolas
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Luxury oak gazebos and pavilions
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Oak-framed garden rooms and outdoor buildings
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Handcrafted oak porches and entrance frames
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Oak car ports and outdoor kitchens
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Oak frame extensions and feature structures
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Supply-only oak frame kits for self-builders
Each oak structure is cut, dry-assembled and inspected in our Leicestershire workshop before delivery and installation.
We work across Leicester, Loughborough, Market Harborough, Warwickshire, Coventry, Birmingham and nationwide.
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Bespoke Entrance Doors & Architectural Joinery
We design and manufacture high-end entrance doors and exterior joinery pieces in oak, hardwood and metal-clad finishes.
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Solid oak front doors
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Copper-clad entrance doors
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Architectural pivot doors
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Custom exterior joinery
Each door is individually crafted to suit the property and architectural style.
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Copper & Architectural Metal Integration
Alongside traditional oak framing, we incorporate architectural copper and specialist metal elements into selected commissions.
Our services include:
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Copper louvre roof systems
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Patinated copper roofing details
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Architectural copper cladding
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Custom metal features integrated into oak frames
Copper develops a natural patina over time, complementing the silvering of seasoned oak.
Design, Supply & Installation
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Full oak frame design consultation
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Traditional in-house fabrication
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Nationwide delivery and installation
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Supply-only oak frame kits
All work is undertaken with attention to proportion, structural integrity and long-term performance.
About Us
JMK Oak Framing
Welcome to JMK Oak Framing — your trusted specialists in South Leicestershire, serving the entire East Midlands with high-quality craftsmanship in oak framing, roofing, and SIP panel installation.
Based in Lutterworth, we design and build beautiful bespoke oak frame structures, including oak frame extensions, oak frame houses, pergolas, and gazebos. All our oak frame features are handcrafted by our skilled team in our local workshop, ensuring a perfect blend of traditional craftsmanship and modern precision.
We are also experienced SIP panel installers, offering energy-efficient and structurally sound solutions for both residential and commercial buildings. Whether you're planning a new-build, extension, or garden room, our SIP panel systems offer superior thermal performance and faster build times.
In addition, we provide complete roofing services throughout Leicestershire and the East Midlands, covering all aspects of traditional and modern roofing — from natural slate and clay tiles to hand-cut timber roofs.
With a strong reputation for reliability, quality, and attention to detail, JMK Roofing and Oak Framing is the go-to choice for oak frame buildings, SIP panels, and roofing projects across the region.
Testimonials
Arnesby
Everything looks absolutely beautiful and we couldn’t be more pleased. Thank you so much for all your help throughout the project. We’re incredibly grateful to you, Martin, Kit, Daz, Jack, and the rest of the team for bringing our vision to life and creating such a stunning space for us.
V. Smart
Market Harborough
It’s been a pleasure working with the team at JMK. We had an oak frame extension added to the rear of our property, and it blends seamlessly with the original structure. The team guided us through every step of the process and kept us well informed throughout. We’d happily recommend JMK to anyone looking to create a truly exceptional space.
M. Pearce
Littlethorpe
JMK took care of everything — from liaising with building control to coordinating plumbers and electricians — so my wife and I didn’t have to worry about a thing. We were free to focus on the enjoyable parts, like choosing the kitchen and interior finishes. The team was incredibly organised and their enthusiasm for the project was clear from start to finish. We couldn’t be happier with the result.
L.Bevan