| 3, Hay Street, Steeple Morden, Royston | - | 160 m² | - |
| 5, Hay Street, Steeple Morden, Royston | Freehold | 106 m² | £317,500 (2010) |
| 13 Hay Street, Steeple Morden, Steeple Morden | Freehold | 138 m² | £355,000 (2012) |
| 15 Hay Street, Steeple Morden, Steeple Morden | Freehold | 82 m² | £380,000 (2021) |
| 17 Hay Street, Steeple Morden, Royston | Freehold | 81 m² | £401,690 (2025) |
| 27 Hay Street, Steeple Morden, Royston | Freehold | 317 m² | £475,000 (2017) |
| 49, Hay Street, Steeple Morden, Royston | Freehold | 225 m² | £960,000 (2019) |
| 51 Hay Street, Steeple Morden, Royston | Freehold | 130 m² | £635,000 (2024) |
| 55 Hay Street, Steeple Morden, Royston | Freehold | 204 m² | £1,193,750 (2022) |
| 57 Hay Street, Steeple Morden, Royston | Freehold | 487 m² | £590,000 (2011) |
| 61, Hay Street, Steeple Morden, Royston | Freehold | 119 m² | £400,000 (2008) |
| 63, Hay Street, Steeple Morden, Royston | - | 107 m² | - |
| 71, Hay Street, Steeple Morden, Royston | Freehold | 171 m² | £977,000 (2016) |
| 73 Hay Street, Steeple Morden, Royston | Freehold | 129 m² | £500,000 (2007) |
| 77, Hay Street, Steeple Morden, Royston | Freehold | 125 m² | £400,000 (2017) |
| 79 Hay Street, Steeple Morden, Royston | Freehold | 208 m² | £550,000 (2004) |
| 85, Hay Street, Steeple Morden, Royston | Freehold | 113 m² | £460,000 (2014) |
| 89, Hay Street, Steeple Morden, Royston | Freehold | 110 m² | £300,000 (2013) |
| 99 Hay Street, Steeple Morden, Steeple Morden | Freehold | 144 m² | £580,000 (2021) |
| 103, Hay Street, Steeple Morden, Royston | Freehold | 210 m² | £670,000 (2016) |
| 107 Hay Street, Steeple Morden, Royston | Freehold | 159 m² | £470,000 (2015) |
| 109 Hay Street, Steeple Morden, Royston | Freehold | 94 m² | £245,000 (2014) |
| 109A, Hay Street, Steeple Morden, Royston | - | 91 m² | - |
| 113 Hay Street, Steeple Morden, Royston | Freehold | 151 m² | £885,000 (2025) |
| 115, Hay Street, Steeple Morden, Royston | Freehold | 259 m² | £715,000 (2014) |
| 119, Hay Street, Steeple Morden, Royston | Freehold | 100 m² | £445,000 (2011) |
| Unit 1, 67 Hay Street, Steeple Morden, Royston | - | 33 m² | - |
| Unit 2, 67 Hay Street, Steeple Morden | - | 51 m² | - |