The terms of the trust mean it must be used as a recreation area for leisure activities open to residents and visitors, so it can't be built on even for housing or parking. There is limited funding available so suggesting something like a swimming pool is unlikely to be possible.
Please email your ideas to [email protected] , post to Windermere & Bowness Town Council, Langstone House, Broad Street, Windermere, LA23 2AB or join the Town Council’s Facebook page and vote online here.