Open house days: 10 of the best UK architectural attractions to visit for free

In September, thousands of monuments, civic buildings and private homes throw open their doors to offer a rare glimpse of normally off-limits spaces. Here are some lesser-known treasures around the country….

Source: https://www.theguardian.com/travel/2023/sep/05/open-house-days-10-of-the-best-uk-architectural-attractions-to-visit-for-free