Impact measurement, evaluation and data
Resources
Culture Change: How to achieve and measure it
By Charlotte Lamb, and Emma Pearson .
On 8 October 2025.
This guide will layout a process to support you to define your own culture and measure it.
Blog
Impact reporting: 5 ways to turn principle into practice
By Sarah Broad, and Elliot Trevithick .
On 16 September 2025.
A new Charities Statement of Recommended Practice (SORP) is expected this autumn. During the SORP consultation we recommended signposting guidance. We don’t yet know if the SORP Committee will adopt our recommendations, but regardless we've lots of resources to support you on your impact journey.
Blog
Dabbledoo and NPC: Using data to illustrate the impact of arts education
By Shane McKenna.
On 12 September 2025.
Dabbledoo provides interactive resources to help educators bring the joy of the arts into their classrooms. But to prove our long-term impact and continually improve what we do, we partnered with NPC who gave us the tools and framework to become a truly data-driven organisation.
Organisation we’ve worked with
London Foundation for Banking and Finance
On 29 August 2025.
NPC helped LFBF build a Theory of Change and impact framework to align strategy and measure progress in financial capability.
Organisation we’ve worked with
British Safety Council
On 7 August 2025.
NPC was commissioned to help British Safety Council develop a purpose roadmap that shows how their activities link to their overall purpose and support operationalising their strategy.
Blog
4 questions to ask when building an impact dashboard
By Kaan Yilmazturk, and Elliot Trevithick .
On 16 June 2025.
Where are you on your impact journey? What’s your main aim? How will you collect and manage the data? Who will maintain and update the dashboard?
Organisation we’ve worked with
Tommy’s
On 12 June 2025.
Tommy’s asked NPC to help them develop a measurement framework and a dashboard to collect data and track outcomes identified in their theory of change.
Blog
What do you do when your impact isn’t measurable?
By Elliot Trevithick .
On 27 May 2025.
Don’t let perfect be the enemy of good. Develop a compelling explanation of your impact. Measure what you can. Don’t prioritise measurement over the work.
Blog
Using impact strategy to make a bigger difference
By Erwin Hieltjes .
On 7 May 2025.
The world of impactful grant-making is full of challenges. How can you manage these tensions and trade-offs? A well thought-through impact strategy will help.
Blog
5 ways to build a learning culture
By Jessica Weir, and Claire Gordon .
On 28 April 2025.
Create opportunities for learning, build a learning rhythm, consider different voices, forge the right connections, and use reflection tools.
Blog
Trust, communication, and risk: 3 takeaways on social impact from the Marmalade festival
By Kaan Yilmazturk .
On 8 April 2025.
Funders and grantees need to trust and challenge each other, and we need creative ways to communicate impact outside our bubble.
Blog
5 challenges of evaluating systems change work and how to approach them
By Katie Boswell .
On 23 January 2025.
It’s difficult to establish cause and effect. To evaluate, you'll need to map the system and create a theory of change.
