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Business Details
19 Years
experience
Award-Winning Garden Design & Construction in Brighton
Langlea Garden Design & Construction is an award-winning garden design and construction company with 35 years of combined experience. Established in 2007, we specialise in creating bespoke outdoor spaces for residential and commercial clients across Brighton, Hove, East and West Sussex, and Surrey. Our multidisciplinary team, led by founders Leandros and Francesca Sideris, combines expertise in horticulture, landscape architecture, and construction to deliver exceptional quality. We pride ourselves on our full-service approach, managing projects from initial consultation to completion with meticulous attention to detail. Our portfolio includes small gardens, courtyards, large estates, and roof terraces, each tailored to individual client needs.

Recognised with multiple BALI awards and featured in national publications, we prioritise innovation while maintaining classical design principles. Client satisfaction is central to our ethos, with a focus on building long-term relationships and transforming spaces into functional, beautiful environments. Our in-house construction team ensures seamless execution of bespoke features, and we maintain transparency in all communications. With a commitment to sustainability and durability, we use premium materials suited to each project's unique requirements. Our reputation for excellence has been built through word-of-mouth recommendations and repeat business from satisfied clients.
Services
Garden Design Garden Construction Landscaping Small Garden Design Courtyards & Backyards Front Gardens Town Gardens Large Gardens Roof Terraces Swimming Pool Landscaping
Details
  • Year established: 2007
Highlights and features
  • We have 35 years combined experience in garden design and construction
  • Our in-house team manages projects from concept to completion
  • Award-winning designs featured in national publications and magazines
  • Specialists in transforming small and challenging spaces in Brighton & Hove
  • Transparent process with fixed-fee consultations and detailed project planning
Associations and certifications
  • BALI (British Association of Landscape Industries)
What people say
Breathtaking results Fantastic experience Amazing team Brilliant design Trusted professionals
Services
Garden Design
Our garden design service creates bespoke outdoor spaces tailored to individual client needs. We integrate indoor and outdoor environments while considering material choices and surroundings. The process includes 3D visualisations, material samples, and detailed design briefs to ensure perfect execution. With 35 years combined experience, we deliver award-winning designs that maximise functionality and aesthetic appeal.
Garden Construction
Our in-house construction team executes complex garden projects with precision. Specialising in bespoke features like custom paving, water elements, and structural installations, we maintain quality control throughout. The team includes experienced professionals who have worked together for over a decade, ensuring seamless implementation of even the most intricate designs to the highest industry standards.
Small Garden Design
Specialist solutions for limited outdoor areas in Brighton and Hove. We employ innovative techniques to create the illusion of space while maintaining functionality. Our designs optimise vertical space, incorporate multi-purpose elements, and use strategic planting to transform small gardens into practical, beautiful environments that exceed spatial limitations.
Courtyards & Backyards
Expert reconstruction of enclosed outdoor spaces with particular focus on Brighton and Hove properties. We address unique challenges of these spaces through creative design solutions that maximise light, improve flow, and create visual interest. Our approach combines contemporary aesthetics with practical considerations for urban living environments.
Roof Terraces
Specialist design and construction for rooftop gardens requiring structural consideration and safety compliance. We create functional outdoor spaces that complement building architecture while addressing weight restrictions and drainage requirements. Our designs prioritise safety, durability, and visual harmony with the building's aesthetic.
People
Francesca Sideris
Design & Office Director
With over 20 years experience in landscape architecture, Francesca specialises in creating individualised garden designs. Her expertise in urban design informs her approach to integrating outdoor spaces with building architecture. She focuses on translating client visions into unique, functional garden environments.
Leandros Sideris
Construction Director
With 25 years in garden construction and horticulture, Leandros oversees all project implementations. His attention to detail ensures design concepts are realised with precision. He manages the construction team and maintains quality control throughout each project's lifecycle, combining technical expertise with creative vision.
Questions
What areas do you cover for garden design projects?
We primarily work in Brighton, Hove, East Sussex, West Sussex, and Surrey, focusing on southeast England where we can maintain close client relationships.
Do you offer both design and construction services?
Yes, we provide full-service solutions from initial design concepts through to complete construction and landscaping implementation as an integrated process.
What types of garden projects do you specialise in?
We specialise in small gardens, courtyards, roof terraces, large estates, and challenging urban spaces, with particular expertise in Brighton and Hove properties.
How experienced is your team in garden design?
Our directors have 35 years combined experience with 15 years running Langlea Garden Design & Construction. Our construction team has worked together for over a decade on award-winning projects.
Can you help with both contemporary and traditional garden designs?
Yes, we adapt to client preferences with expertise in both modern and classic styles, maintaining design integrity while meeting individual requirements.
How do you ensure quality in your garden projects?
We use premium materials, maintain in-house quality control, and have a dedicated construction team with extensive experience in executing complex designs.