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About Us

Peter Donegan Garden Design is an international and local garden design, landscape architecture and project management practice based in Dublin, Ireland. In 2001, aged 24, horticulturist Donegan began designing under his own name and swiftly won a host of awards for 17th & 18th century gardens designed & show gardens at national competition. From 2019 to 2022, The Royal Horticultural Society (RHS) silver medallist became the series garden designer for Ireland’s most watched TV show, RTE’s DIY SOS The Big Build. Selected to represent Ireland to design & realise the WW1 Centenary Peace Garden at Château de Péronne in 2018, he returned and designed a 2nd inaugurated garden at the 13th Century castle known also as the Historial de la Grande Guerre, home to Europe’s largest war museum. 2023 Donegan became the first Irish garden designer to win Gold Medal at Melbourne International Flower and Garden Show, the Southern Hemisphere’s largest and most prestigious flower show. Peter Donegan MSGD is a registered member of The Society of Garden Designers (UK).

Services Provided

Design Consultation, Garden Design, Garden Plans, Project Management, Site Planning

Areas Served

Dublin, Ireland, France, Australia, united kingdom


2023 Melbourne International Flower and Garden Show, Australia – Gold Medal, Show Garden Large 2022 | 2018 Château de Péronne, France – Design and Realisation 2022 – 2019 RTE 1 Television, DIY SOS The Big Build Ireland Series Garden Designer Peter Donegan MSGD

Professional Information

Peter Donegan Garden Design Ireland | UK

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8 Projects

Representing Ireland at Chateau de Peronne, France

Jardin, Historial de la Grande Guerre, Peronne, France

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Business Details

Business Name

Peter Donegan Garden Design

Phone Number

087 659 4688


Co. Dublin


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