Links specific to property browsing
Noise levels: http://extrium.co.uk/noiseviewer.html
Air quality: https://uk-air.defra.gov.uk/aqma/maps/
Flood risk: https://check-long-term-flood-risk.service.gov.uk/postcode
Find local planning authority based on village name (enter in top right box): https://parish.uk/find-parish-council/index.html
Train times: http://thetrainline.com
You can also use the RightMove link for the village for broadband speed in an area
More general information
Cotswold National Landscape (previously AONB): https://www.cotswolds-nl.org.uk/our-landscape/
Tourist info: http://www.cotswolds.com and http://www.cotswoldsconcierge.co.uk
Nice photos of the north part of the area: https://www.flickr.com/photos/163363024@N04/albums/72157692950556792/