She was based in the Peak District National Park but worked in many other parts of the British Isles.
Her work developed as an ecology consultant and became Penny Anderson Associates,[2] based in Buxton.
Anderson has also given courses and lectures about habitat creation, restoration and management.
[1] For 21 years Anderson was chair of the Peak Park Wildlife Advisory Group of volunteer nature conservation organisations that had an interest in the Peak District National Park.
[1] Anderson is the author or co-author of many reports, scientific publications and books.