According to data from HM Land Registry, 21, High Street, Olney sits on a plot of 1,461 m².

We have plot size data on 6 out of 6 other houses in the postcode and 21, High Street, Olney sits on the largest plot.

21, High Street, Olney has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 02 Mar 2010.

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

According to HM Land Registry, 21, High Street, Olney was last sold on 28th March 2007 for £520,000 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since March 2007, the market for similar properties has risen by 32.4%.

• Sold Mar 2007£520,000

According to the Land Registry and our network of Estate Agents, there have been 36 sales of properties similar to 21, High Street, Olney within a radius of 2.3 kilometres since 2008.

The most recent example is 3, Stone Pit Close, Olney, MK46 5LX, a freehold house which sold for £800,000 on the 17th November 2025.

Read more about house prices in MK46.

• Sold Nov 2025£800,000 | 5 Bed House3, Stone Pit Close, Olney, MK46 5LX3, Stone Pit Close, Olney, MK46 5LX
• Sold May 2025£1,150,000 | 5 Bed House3, Church Street, Olney, MK46 4AD3, Church Street, Olney, MK46 4AD
• Sold Mar 2025£800,000 | 5 Bed House1 Home Farm Court, West Lane, Olney, MK46 5DA1 Home Farm Court, West Lane, Olney, MK46 5DA
• Sold Jan 2025£786,000 | 5 Bed House11, High Street, Olney, MK46 5DH11, High Street, Olney, MK46 5DH
• Sold Apr 2024£850,000 | 5 Bed House18, Beech Avenue, Olney, MK46 5AE18, Beech Avenue, Olney, MK46 5AE
• Sold Feb 2024£925,000 | 5 Bed House3, Orchard Rise, Olney, MK46 5HB3, Orchard Rise, Olney, MK46 5HB
• Sold Feb 2024£910,000 | 5 Bed House20, Beech Avenue, Olney, MK46 5AE20, Beech Avenue, Olney, MK46 5AE
• Sold Jan 2023£835,000 | 5 Bed HouseManor Croft, Olney Road, Olney, MK46 5BXManor Croft, Olney Road, Olney, MK46 5BX
• Sold Sep 2022£960,000 | 5 Bed HouseOld Paddock, West Lane, Olney, MK46 5DAOld Paddock, West Lane, Olney, MK46 5DA
• Sold Mar 2022£990,000 | 5 Bed HouseHartoft, West Lane, Olney, MK46 5DAHartoft, West Lane, Olney, MK46 5DA
• Sold Dec 2021£930,000 | 5 Bed House6, Church Street, Olney, MK46 4AD6, Church Street, Olney, MK46 4AD
• Sold Oct 2019£670,000 | 5 Bed House3, West Farm Way, Olney, MK46 5QP3, West Farm Way, Olney, MK46 5QP
• Sold Jul 2019£770,000 | 5 Bed House2A, Honey Hill, Olney, MK46 5LT2A, Honey Hill, Olney, MK46 5LT
• Sold Dec 2018£585,000 | 5 Bed House11, Church Street, Olney, MK46 4AD11, Church Street, Olney, MK46 4AD
• Sold Jul 2018£275,000 | 5 Bed House2, Honey Hill, Olney, MK46 5LT2, Honey Hill, Olney, MK46 5LT
• Sold May 2018£595,000 | 5 Bed House68A, Weston Road, Olney, MK46 5BE68A, Weston Road, Olney, MK46 5BE
• Sold Dec 2016£720,000 | 5 Bed House35, Newport Pagnell, MK16 9ET35, Newport Pagnell, MK16 9ET
• Sold Oct 2014£735,000 | 5 Bed House3, Coneygere, Olney, MK46 4AE3, Coneygere, Olney, MK46 4AE
• Sold Apr 2013£585,000 | 5 Bed House31, Hulton Drive, Olney, MK46 5BW31, Hulton Drive, Olney, MK46 5BW
• Sold Mar 2008£640,000 | 5 Bed HouseThe Cottage, Church Street, Olney, MK46 4ADThe Cottage, Church Street, Olney, MK46 4AD

High Street, Emberton, Olney, MK46 has a total of 20 addresses. According to our analysis of all the public data, 21, High Street, Olney is the 4th largest and the 3rd most expensive property on the street.

When compared to the postcode district it is £366k more expensive than the average property in MK46.

• Olney Infant Academy

  2.0 km away
• Olney Middle School

  2.8 km away
• Sherington Church of England School

  2.9 km away

• E-Act Ousedale School

  6.6 km away
• Stantonbury School

  9.6 km away
• The Radcliffe School

  11.7 km away

• Wolverton

  |

  10.3 km away
• Milton Keynes Central

  |

  12.3 km away
• Woburn Sands

  |

  13.6 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.