Impact measurement, evaluation and data
Whether you’re a business, charity or funder, impact measurement and evaluation is all about helping you improve the good work you’re doing. Our Understanding Impact guide takes you through how to create an impact measurement framework. To dig deeper, we run regular training events, and our consultants can provide independent measurement and evaluation services.
Resources
GambleAware Legacy Report
By Jessica Weir, and Sabrina Bengtzen .
On 4 March 2026.
This report documents GambleAware’s evolution from a small charity into a strategic commissioner and system leader.
Event
Developing a measurement framework for your charity
On 20 October 2026, 10:30 am – 12:00 pm at Zoom
This online webinar on 13 October is for charities who want to develop or update their measurement framework.
Event
Theory of change in ten steps
On 2 July 2026, 10:30 am – 12:00 pm at Zoom
This seminar taking place on 2 July will run through how to develop a theory of change, based on our guidance 'Theory of change in ten steps'.
Event
Theory of change in ten steps
On 12 March 2026, 1:00 pm – 2:30 pm at Zoom
This seminar will run through how to develop a theory of change, based on our guidance 'Theory of change in ten steps'.
Organisation we’ve worked with
L’Arche
On 16 December 2025.
NPC helped L’Arche UK unite 11 communities through a Big Conversation, creating a Theory of Change and impact tools for clarity and measurement.
Event
Developing a measurement framework for your charity
On 26 February 2026, 1:00 pm – 2:30 pm at Zoom
This online webinar is for charities who want to develop or update their measurement framework.
Blog
Reflections from the GambleAware showcase event
On 2 December 2025.
Insights from GambleAware’s Showcasing & Networking Event: tackling gambling harms through lived experience, cultural inclusion & systemic change.
Blog
Developing a theory of change is transforming our approach to impact measurement
By Laura Sims.
On 16 October 2025.
How St John has developed an organisation-wide theory of change to clarify its societal impact and the strategy to achieve it.
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.
