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Your Trusted Garden Design Partner in Watford
T M Garden Design has been transforming outdoor spaces into bespoke gardens for over a decade. Our approach combines creative design with practical functionality, tailored to each client's unique vision and lifestyle. We specialise in contemporary, urban, cottage, and wildlife-friendly gardens, ensuring every project harmonises with its architectural and natural surroundings. Our process begins with a detailed consultation to understand client aspirations, followed by meticulous planning and collaboration with trusted landscapers to bring designs to life.

We prioritise sustainable practices and plant selection that enhances biodiversity while creating spaces for relaxation and entertainment. With expertise in discharging planning conditions and technical drawings, we support developers and homeowners through every regulatory requirement. Our commitment to client satisfaction is reflected in long-term relationships and gardens that evolve beautifully across seasons, offering both aesthetic appeal and enhanced well-being through connection with nature.
Services
Garden Design Landscaping Planting Plans Planning Applications Site Consultations
Highlights and features
  • We have over 10 years' experience in garden design and horticulture.
  • Our collaborative approach ensures gardens reflect clients' lifestyles and aspirations.
  • We create sustainable designs that enhance biodiversity and well-being.
  • Expertise in discharging planning conditions and technical documentation.
  • Proven track record with long-term client relationships and repeat commissions.
What people say
Stunning feature wall Dream garden Relaxing sanctuary Excellent planting design Smooth planning process
Services
Garden Design
We create bespoke garden designs tailored to individual lifestyles and property architecture. Our process combines creative vision with technical precision to maximise space functionality. Services include concept development, 3D visualisations, and detailed planting schemes that ensure year-round interest and biodiversity.
Landscaping
From initial concept to final build, we manage landscaping projects with trusted contractors. Our technical drawings ensure accurate implementation of designs, including level changes, lighting plans, and structural elements that complement the garden's aesthetic.
Planting Plans
Our planting schemes combine colour theory with horticultural expertise to create dynamic seasonal displays. Each plan includes plant schedules, maintenance guidance, and mood boards to visualise the mature garden's appearance and ecological benefits.
Planning Applications
We prepare technical drawings and documentation to discharge planning conditions or obtain new permissions. Our experience with local authorities ensures compliance while maintaining design integrity for residential developments.
Site Consultations
Initial consultations assess site characteristics and client requirements. We conduct topographical surveys, analyse sunlight patterns, and create design briefs that transform outdoor spaces into functional extensions of living areas.
People
Thrity Mama
Lead Garden Designer
Thrity Mama, founder of T M Garden Design, has over a decade of experience in creating bespoke gardens. With RHS horticultural qualifications and collaborative design expertise, she transforms outdoor spaces into functional, beautiful environments that reflect clients' lifestyles and enhance biodiversity.
Questions
What garden design services do you offer?
We provide full-service garden design including concept creation, technical drawings, planting plans, and project management for residential properties.
Do you work outside Hertfordshire?
While based in Hertfordshire, we collaborate on planning applications nationwide and have clients in Buckinghamshire and North London.
How do you handle planning permissions?
We prepare technical drawings, submit applications, and act as agents to discharge planning conditions for developers and homeowners.
Can you redesign existing gardens?
Yes, we specialise in transforming overgrown or worn-out gardens into bespoke spaces tailored to current lifestyles.
What garden styles do you specialise in?
We create contemporary urban, cottage, formal, wildlife-friendly, and family gardens with clean lines and lush planting.
Reviews (4)
Kina Makanji
Aug 10, 2020 Report
Positive:Professionalism,Punctuality,Quality,Responsiveness
Thirty has recently designed the landscape of a property undergoing planning conditions from the council. She met all their conditions and worked with us to ensure everything was in keeping with the property. She worked within the tight deadlines and produced high quality documents.
Angela Leslie
Aug 20, 2018 Report
If you're planning a new garden or want to revamp your outdoor living space then contact Thrity, she is knowledgeable professional and passionate about gardens and her designs are excellent. Highly recommend.
Nish Thenuwara
Jul 29, 2018 Report
Thrity is a very knowledgeable and creative gardening and landscape designer, she is very thorough when it comes to fine details. Great work and Thank you so much for the beautiful garden.
Nicky Bryden
Jun 29, 2018 Report
Thoughtful, sensitive garden design where the clients needs are really listened to. Thrity has worked with several of our clients and they've all been delighted.