18, Cowper Street, Olney occupies a 241 m² plot as recorded by HM Land Registry.

Of the 41 other houses in this postcode, 37 have recorded plot sizes, and this one ranks as the 8th largest.

18, Cowper Street, Olney has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 14 Feb 2011.

The property is connected to mains gas and has some double glazing. It is heated using a boiler and radiators (mains gas).

18, Cowper Street, Olney last changed hands on 10th December 2003, selling for £208,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold 4 times since 1995.

Land Registry records and our Estate Agent network show 214 sales of comparable properties within 810 metres of 18, Cowper Street, Olney since 2015.

Most recently, 24, Wellingborough Road, Olney, MK46 4DD, a freehold house, sold at £328,000 on the 17th April 2026.

Read more about house prices in MK46.

• Sold Apr 2026£328,000 | 3 Bed House24, Wellingborough Road, Olney, MK46 4DD24, Wellingborough Road, Olney, MK46 4DD
• Sold Feb 2026£462,500 | 3 Bed House15, Cowper Street, Olney, MK46 4BW15, Cowper Street, Olney, MK46 4BW
• Sold Jan 2026£470,000 | 4 Bed House6, Cowper Street, Olney, MK46 4BW6, Cowper Street, Olney, MK46 4BW
• Sold Oct 2025£320,000 | 3 Bed House36, Cowper Street, Olney, MK46 4BW36, Cowper Street, Olney, MK46 4BW
• Sold Jun 2025£418,000 | 3 Bed House53, East Street, Olney, MK46 4BT53, East Street, Olney, MK46 4BT
• Sold May 2025£315,000 | 3 Bed House43, Wellingborough Road, Olney, MK46 4BJ43, Wellingborough Road, Olney, MK46 4BJ
• Sold Nov 2024£365,000 | 3 Bed House5, Midland Road, Olney, MK46 4BL5, Midland Road, Olney, MK46 4BL
• Sold Nov 2024£340,000 | 3 Bed House19, Cowper Street, Olney, MK46 4BW19, Cowper Street, Olney, MK46 4BW
• Sold Apr 2024£475,000 | 3 Bed House14, Cowper Street, Olney, MK46 4BW14, Cowper Street, Olney, MK46 4BW
• Sold Mar 2024£274,500 | 3 Bed House136, East Street, Olney, MK46 4BT136, East Street, Olney, MK46 4BT
• Sold Mar 2024£277,000 | 3 Bed House9, Midland Road, Olney, MK46 4BL9, Midland Road, Olney, MK46 4BL
• Sold Feb 2024£390,000 | 4 Bed House132, East Street, Olney, MK46 4BT132, East Street, Olney, MK46 4BT
• Sold Aug 2023£310,000 | 3 Bed House10, Newton Street, Olney, MK46 4BS10, Newton Street, Olney, MK46 4BS
• Sold Mar 2023£395,000 | 3 Bed House146, East Street, Olney, MK46 4BT146, East Street, Olney, MK46 4BT
• Sold Aug 2022£437,500 | 3 Bed House27, Newton Street, Olney, MK46 4BS27, Newton Street, Olney, MK46 4BS
• Sold Jul 2022£400,000 | 3 Bed House22, Cowper Street, Olney, MK46 4BW22, Cowper Street, Olney, MK46 4BW
• Sold Aug 2021£360,000 | 3 Bed House37, Wellingborough Road, Olney, MK46 4BJ37, Wellingborough Road, Olney, MK46 4BJ
• Sold Feb 2019£320,000 | 3 Bed House10, Cowper Street, Olney, MK46 4BW10, Cowper Street, Olney, MK46 4BW
• Sold Oct 2015£215,000 | 3 Bed House29, Cowper Street, Olney, MK46 4BW29, Cowper Street, Olney, MK46 4BW
• Sold Oct 2015£235,000 | 3 Bed House7, Cowper Street, Olney, MK46 4BW7, Cowper Street, Olney, MK46 4BW

Our analysis of the public data ranks 18, Cowper Street, Olney as the 13th largest and the 14th most expensive of the 41 addresses on Cowper Street, Olney, MK46.

Against the MK46 postcode district average, it is £55k less expensive than the typical property.

• Olney Middle School

  500 m away
• Olney Infant Academy

  1.0 km away
• Lavendon School

  3.2 km away

• E-Act Ousedale School

  9.3 km away
• Wollaston School

  11.0 km away
• Sharnbrook Academy

  12.0 km away

• Wolverton

  |

  12.7 km away
• Milton Keynes Central

  |

  14.9 km away
• Bedford

  |

  15.3 km away

Environment Agency data suggests this area has a Very Low risk of flooding.