Business Details
50+ Years
experience
Global Landscape Architecture & Design Experts
Established in 1973 by Randle Siddeley, The Lord Kenilworth, our company has built a global reputation for excellence in landscape architecture, construction, and maintenance. With five decades of experience, we combine creative design flair with meticulous attention to detail, delivering timeless yet contemporary landscapes for private residences, commercial developments, and international hospitality projects. Our integrated approach ensures seamless collaboration between design, construction, and maintenance divisions, guaranteeing exceptional results from concept to completion.Recognised by the Landscape Institute, we uphold the highest industry standards while employing traditional craftsmanship alongside modern techniques. Our dedicated maintenance team ensures outdoor spaces remain immaculate through tailored annual contracts, reflecting our commitment to enduring quality and client satisfaction.
Services
Landscape Architecture
Garden Design
Landscape Construction
Maintenance Contracts
Roof Terraces
Details
- Year established: 1973
Highlights and features
- We combine 50 years of landscape design expertise with hands-on founder involvement
- Our integrated design-construction-maintenance approach ensures seamless project delivery
- We serve prestigious international clients including private residences and hospitality sectors
- Our maintenance division guarantees long-term landscape perfection through tailored contracts
- We utilise traditional craftsmanship alongside modern construction methodologies
Associations and certifications
- Landscape Institute
What people say
Timeless designs
Meticulous attention to detail
Global expertise
Immaculate maintenance
Creative vision
Services
Landscape Architecture
Our Landscape Architecture division creates bespoke outdoor spaces combining artistic vision with technical precision. Specialising in private residences and commercial developments, we deliver timeless designs that exceed exacting expectations. With global experience across hospitality and luxury sectors, our approach integrates ecological sensitivity with functional beauty to create enduring landscapes.
Garden Design
Garden Design remains central to our heritage, blending traditional horticultural knowledge with contemporary aesthetics. From intimate private gardens to expansive estates, we craft spaces that appear mature from completion. Our designs harmonise with architectural contexts while prioritising long-term maintainability and seasonal interest.
Landscape Construction
The Construction Division executes complex projects using skilled craftsmanship and modern techniques. We implement designs from our own studio and collaborate with external architects to build gardens, roof terraces, and commercial landscapes. Our expertise ensures precise realisation of intricate design elements to exacting standards.
Maintenance Contracts
Our comprehensive Maintenance Contracts preserve landscape integrity through expert horticultural care. Tailored to private residences, retail, and commercial properties, services include seasonal adjustments and specialist treatments. A dedicated team ensures outdoor spaces maintain immaculate presentation and continue evolving as designed.
Roof Terraces
Specialising in high-end roof terrace design and construction, we transform urban spaces into functional sanctuaries. Combining structural expertise with innovative planting schemes, our solutions address weight constraints and environmental factors. Each terrace integrates seamlessly with architectural elements while maximising usable outdoor living space.
People
Randle Siddeley
Founder & Creative Director
The Lord Kenilworth established Randle Siddeley Limited in 1973, bringing five decades of landscape architecture expertise. His visionary leadership continues to shape the company's design philosophy, ensuring every project reflects both classical elegance and contemporary innovation through hands-on involvement.
Gavin Heppelthwaite
Design Director
Leading the Design Team, Gavin combines creative flair with technical precision to develop award-winning landscape concepts. With extensive experience in international projects, he ensures each design balances aesthetic beauty with practical functionality while maintaining the company's exacting standards.
Ben Price
Construction Manager
Ben oversees all construction operations, applying traditional craftsmanship to complex landscape builds. His expertise in executing intricate designs ensures precise realisation of architectural elements, working closely with both internal designers and external partners to deliver exceptional quality on every project.
Richard Pearce
Head of Maintenance
Richard leads the maintenance division, developing tailored contracts that preserve landscape integrity. With specialist knowledge of long-term horticultural care, he ensures outdoor spaces maintain immaculate presentation through seasonal adjustments and expert technical interventions across diverse property types.
Andrew Halton
Senior Quantity Surveyor
Andrew manages financial aspects of construction projects, ensuring cost efficiency without compromising quality. His expertise in landscape project economics supports both tendering processes and budget management, maintaining transparency and value throughout the construction lifecycle.
Questions
What areas do you serve?
We operate globally with particular expertise in London and the UK, handling both private residences and international commercial developments.
Do you handle both design and construction?
Yes, our integrated service covers full project delivery from initial design through construction to ongoing maintenance.
How experienced is your team?
With 50 years' industry experience since 1973, our team combines generational expertise with contemporary innovation across all projects.
What maintenance options are available?
We offer tailored annual maintenance contracts and one-off services for private and commercial properties worldwide.
Are you registered with professional bodies?
Yes, we are a registered practice of the Landscape Institute, adhering to the highest industry standards.
Can you work with other designers?
Absolutely, our construction team frequently collaborates with external landscape architects and designers globally.
