HM Land Registry records the plot of land for 11, Cowper Street, Olney as measuring 98 m².

That makes it the 36th largest plot in the postcode, where 37 of the 41 other houses have recorded plot data.

11, Cowper Street, Olney has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 28 Jun 2016.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

The most recent sale of 11, Cowper Street, Olney completed on 12th February 2016 at £282,500 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold twice.

Values of comparable properties have risen by 21.1% over the period since February 2016.

Since 2014 175 properties similar to 11, Cowper Street, Olney have sold within a radius of 810 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 14th October 2025, was 36, Cowper Street, Olney, MK46 4BW, a freehold house which sold for £320,000.

Read more about house prices in MK46.

• Sold Oct 2025£320,000 | 3 Bed House36, Cowper Street, Olney, MK46 4BW36, Cowper Street, Olney, MK46 4BW
• Sold Sep 2025£250,000 | 3 Bed House22, Dartmouth Road, Olney, MK46 4BH22, Dartmouth Road, Olney, MK46 4BH
• Sold Aug 2025£350,000 | 3 Bed House5, Cowper Street, Olney, MK46 4BW5, Cowper Street, Olney, MK46 4BW
• Sold Jun 2025£418,000 | 3 Bed House53, East Street, Olney, MK46 4BT53, East Street, Olney, MK46 4BT
• Sold Mar 2025£315,000 | 3 Bed House142, East Street, Olney, MK46 4BT142, East Street, Olney, MK46 4BT
• Sold Mar 2025£326,000 | 3 Bed House20, Newton Street, Olney, MK46 4BS20, Newton Street, Olney, MK46 4BS
• 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£277,000 | 3 Bed House9, Midland Road, Olney, MK46 4BL9, Midland Road, Olney, MK46 4BL
• Sold Aug 2023£310,000 | 3 Bed House10, Newton Street, Olney, MK46 4BS10, Newton Street, Olney, MK46 4BS
• Sold Sep 2021£380,000 | 3 Bed House118, East Street, Olney, MK46 4BT118, East Street, Olney, MK46 4BT
• Sold Jun 2021£282,000 | 3 Bed House51, Wellingborough Road, Olney, MK46 4BJ51, Wellingborough Road, Olney, MK46 4BJ
• Sold Feb 2021£250,000 | 3 Bed House18, Newton Street, Olney, MK46 4BS18, Newton Street, Olney, MK46 4BS
• Sold Apr 2020£355,000 | 3 Bed House38, Newton Street, Olney, MK46 4BS38, Newton Street, Olney, MK46 4BS
• Sold Feb 2019£320,000 | 3 Bed House10, Cowper Street, Olney, MK46 4BW10, Cowper Street, Olney, MK46 4BW
• Sold Jan 2019£285,000 | 3 Bed House4, Newton Street, Olney, MK46 4BS4, Newton Street, Olney, MK46 4BS
• 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
• Sold Oct 2014£249,995 | 3 Bed House31, Cowper Street, Olney, MK46 4BW31, Cowper Street, Olney, MK46 4BW

Of the 41 addresses on Cowper Street, Olney, MK46, 11, Cowper Street, Olney comes out as the 29th largest and the 29th most expensive in our analysis of the public data.

It is also £88k less expensive than the average property across the MK46 district.

• 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

The flood risk here is rated Very Low, based on Environment Agency data.