‘Harper-TDK’-Door-Knob

Traditional craftsmanship meets modern precision

Designed to be touched - each knob feels balanced, weighty and refined, enhancing the sensory experience of your space.

Effortless movement ensures smooth, reliable operation that elevates everyday use.

Finishes that age beautifully give your interiors long-term character and consistency.

Versatile across internal and external doors, supporting cohesive hardware schemes throughout the entire project.

Perfect for luxury homes, boutique hotels and restoration projects, where detail and quality define the final result.

Tactile design. Architectural integrity.

When it comes to high-end interiors, touchpoints matter. Every handle we supply is designed to feel as good as it looks. The weight, balance, and finish are all critical to the end-user experience, and we work closely with makers who obsess over every tactile detail.

From hand-finished knurling to precision-milled levers, our range has been curated to meet the expectations of discerning designers and clients. We ensure durability through premium materials and finishes that perform in both residential and commercial settings.

Finish selection & specification support

We make hardware selection effortless for designers and architects by providing clear, expert guidance at every stage:

Support with drawings and layouts

To ensure every handle, knob and mechanism is correctly matched to the door or window type.

Finish recommendations tailored to your palette,

Helping you choose options that complement your materials, tones and architectural style.

Specification guidance

To ensure compatibility, performance and aesthetic cohesion across your entire project.

Door-by-door coordination

So each space carries a consistent and intentional hardware story.

Concierge-level advice

That simplifies decision-making and removes the stress of choosing the right details.

Design inspiration

From grand staircases and Victorian hallways to sleek modern corridors and luxury hotel suites, our gallery showcases the diversity and elegance of our door knobs in real design environments.

Wright-DK-on-BP1022
Lancelot-DK
Benjamin-DK-Door-Knob
Durnure-DK-knob-1
Gold-Knob-1

Exquisite Architectural Hardware

For designers who live and breathe detail, hardware is never an afterthought; it is the finishing touch that defines a space.

Exquisite-Architectural-Hardware

Discover knobs range

Explore the options available in our collection. We work with a wide variety of styles and finishes, with many more choices available on request. If you can’t find exactly what you’re looking for, please get in touch, our team will be happy to help.

Recognised for excellence

"We have partnered with Opitome on many projects, and they consistently go above and beyond to deliver high quality service and products. Friendly, responsive, and thorough, they are a pleasure to collaborate with- always bringing a positive, team oriented approach. Their attention to detail, strong client relationships and proactive problem-solving make them an invaluable supplier for any specification and project."
Nada Tayeb
Design Manager/ Associate Architect
"Opitome have supplied us with a huge variety of high end ironmongery from international manufacturers. Their service and communication has always been excellent. Recommended."
Tim Minaker
LDB Construction
"Working in the prime residential market I value customer service, quality of products and a seamless approach to timely supply, which are all the things I have come to associate with Opitome. We have fostered a strong working relationship for over 8 years, and I continue to return to AJ and his team whenever the opportunity presents itself – I know I’m in safe hands with people who care about the projects."
Jack Tutte
Project Manager, Size Group
"Morgan Rae have collaborated with Opitome on the majority of our projects in the last 5 years. The service is exemplary throughout the project lifecycle regardless of the scale, and their technical knowledge at the front end is a real added value for us and the wider consultant team."
James Rae
Morgan Rae
"I’ve been working with Opitome for over 10 years now, and from the moment I met AJ, it was clear he was exceptionally knowledgeable, diligent, and highly effective in client-facing roles — whether with architects or private clients. Opitome brings a solutions-driven approach to every project, always willing to go the extra mile to find practical, effective outcomes no matter the challenge. I continue to put Opitome forward for my projects not only because they remain competitive in the market, but more importantly, because of the consistent quality of service they offer — from initial design discussions with architects and clients, right through to the joiners installing the ironmongery on site."
Mike Chivers
ACT Developments Ltd
"Have worked with a number of ironmongery supplier over the past twenty years, I gravitate to Optiome because of their knowledge, usability and professionalism. They have always go above and beyond to find a resolution, when required and because of this I always will use Optiome."
Kieron Collins
Savile Browns

Let’s define the details together

Whether you’re designing a luxury residence or managing a complex architectural project, the hardware matters and so does the guidance behind it.

Book a meeting with us today

  Discuss your project requirements, drawings, or specifications

  Expert advice on finishes, functionality, and compliance

  Recommend hardware solutions that balance form and function

   Identify opportunities for customisation or premium detailing

   Act as your hardware concierge, ensuring every detail aligns with your design intent

Simply use the calendar to book your discovery call, and let’s get the details right.

Let’s Refine the Details Together

Whether you’re designing a luxury residence or managing a complex architectural project, the hardware matters, and so does the guidance behind it.

Our concierge-style support ensures every detail aligns with your vision. Simply book your discovery call using the calendar and we’ll take care of the rest.

Frequently asked questions

What finishes are available for your door knobs?

We offer a curated collection of finishes designed to work seamlessly across luxury interiors. If you’re unsure which finish suits your scheme, our team can recommend options based on your drawings, mood boards or project palette.

Can you help with the specification for a full property?

Absolutely. We can support room-by-room scheduling, finish coordination and hardware compatibility for complete interior or multi-property projects.

Do you offer bespoke options?

Yes, if your project requires a unique design or tailored detail, we offer bespoke hardware solutions crafted to match your vision.

Our journal

Browse the Latest Blogs
Browse the latest blogs
Why Ironmongery Matters In Modern Design
Ironmongery Used In Modern Design

Why Ironmongery Matters In Modern Design

Mar 26, 2026 10:00:00 AM 1 min read
What Is Architectural Ironmongery?
Silver door handles as an example of architectural ironmongery used on modern interior doors.

What Is Architectural Ironmongery?

Mar 20, 2026 12:00:00 PM 1 min read
The Design Appeal Of FSB’s Pure Aluminium Handle Finish
Design's Of FSB’s Pure Aluminium Handle Finish

The Design Appeal Of FSB’s Pure Aluminium Handle Finish

Mar 19, 2026 10:00:00 AM 1 min read