Opening Dates & Times We are now open for our 2017 season until 31st of October 2017.The gardens, playgrounds and lakeside walks are open daily from 10:00am to 5:00pm. The Old Sawmill Tearoom is also open daily from 10:00am to 5:00pm.The house is open for visitors from 1:30pm to 4:30pm (last entries 4:00pm) on Saturdays, Sundays and Wednesdays. We also open the house on Friday afternoons, during August.The grounds at Mirehouse are dog friendly. Dogs are welcome in the grounds on a short lead at all times. As the lakeside walk goes through a working farm, please keep dogs well away from livestock.