According to Julian Mason, on his Flickr page, this is reported to be the birthplace of Major Andre: https://www.flickr.com/photos/bunchandduke/2900837361/in/photolist-5qkxTg-eKrCbV-9VcPjo-eKbPAr-aqga4d-bgK68D-cfecTd-5wjq2K-dxEy7F-6ehom7-aqfME5-bKwWFa-aqg4yd-aqcYW6-aqd6DB-aqdrrT-aqdogV-aqfGnb-aqg3rY-aqd5Jt-aqd1qv-aqcZBt-aqg5eb-aqfH4U-aqg6iG-6dMEhP-5oU3gn-5po16C-6dRNth-5oU3jZ-aqd3qa-aqg5Qh-aqd5eP-aqg47U-aqg9oQ-aqdrXr-aqdngF-aqd4Kn-aqd6aH-aqg7dE-aqdoYZ-aqdmv8-aqfN8u-7oHW29-aqs1on-aqrYRa-5DBkag-7tCZRS-paEqo-aqrZxc

But according to this website, the house was not built until 1803: http://claptonpond.org/about/about-clapton-pond/history-of-pond-house/