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The Sanctuary Garden Volunteer with client gardener planting rosemary
Our new Social Return on Investment (SROI) study found that Social and Therapeutic Horticulture delivers life-changing outcomes for individuals and measurable social value. Every £1 invested generates £7.92 in social value.

While health systems are searching for ways to improve results, reduce inequalities and deliver more preventative care, under intense financial pressure, people are achieving incredible outcomes through therapeutic gardening.

The study, conducted independently by Bean Research, examined work across our centres in Reading, London and Birmingham, involving 682 Client Gardeners, their carers and volunteers over a two-year period.

Read the full Social Return on Investment study.

Download PDF

Total social value generated = Social return on Investment

£14.15 million

over two years

£7.92

for every £1 invested

Social value extends beyond the individual onto their carers, family and friends as well as volunteers who all experience positive change, demonstrating the ripple effect of therapeutic gardening.

  • 58% Client Gardeners
  • 24% Carers, families and friends
  • 18% Volunteers

Therapeutic gardening improves health and helps people lead fuller, more connected lives, all while generating significant value for society.

Mental wellbeing is the most significant outcome at 61% of the total social value created.

  • Improved mental wellbeing
  • Social connection
  • Economic value of volunteer hours
  • Gardening skills and time outdoors
  • Connection with nature and sustainability
  • Carer respite and practical support
  • Improved physical health
  • Employability skills


Client Gardeners reported improvements across all measured outcomes:


99%

reported improved physical health

98%

reported improved mental wellbeing

94%

reported improved social connection

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Vicki found support for her mental wellbeing while living with multiple sclerosis and depression.

I don’t have anyone on the outside and I spend most of my days alone.

Vicki explains. “Thrive has been a huge part of changing that. Even though it’s only one day a week, it changes everything. I have something to look forward to and after, I find myself taking on challenges at home that I would normally avoid.”

Carers reported reduced worry, improved wellbeing and valuable respite from their caring responsibilities.

91,000 hours

of carer respite delivered

Volunteers reported improvements in wellbeing, confidence, skills and connection with nature.

Therapeutic gardening delivers incredible outcomes for people and measurable value for society.

Now we need greater investment.

Read the SROI study.

Thrive CEO Ben Thomas believes therapeutic gardening could address critical national challenges.

Read Ben's blog
The Sanctuary Garden Volunteer with client gardener planting rosemary