HM Land Registry records the plot of land for 20, Thornhill Close, Amersham as measuring 208 m².

That makes it the 2nd largest plot in the postcode, where 13 of the 15 other houses have recorded plot data.

20, Thornhill Close, Amersham has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 11 Oct 2018.

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 20, Thornhill Close, Amersham completed on 21st July 2020 at £685,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 this is the property's only sale.

Values of comparable properties have risen by 5.8% over the period since July 2020.

• Sold Jul 2020£685,000

Since 2007 102 properties similar to 20, Thornhill Close, Amersham have sold within a radius of 1.3 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 29th August 2025, was 1 The Worthies, High Street, Amersham, HP7 0DJ, a freehold house which sold for £580,000.

Read more about house prices in HP7.

• Sold Aug 2025£580,000 | 3 Bed House1 The Worthies, High Street, Amersham, HP7 0DJ1 The Worthies, High Street, Amersham, HP7 0DJ
• Sold Jun 2025£695,000 | 3 Bed House14, Whielden Street, Amersham, HP7 0HT14, Whielden Street, Amersham, HP7 0HT
• Sold Mar 2025£450,000 | 3 Bed House133, High Street, Amersham, HP7 0DY133, High Street, Amersham, HP7 0DY
• Sold Mar 2025£710,000 | 3 Bed House28, Station Road, Amersham, HP7 0BE28, Station Road, Amersham, HP7 0BE
• Sold Dec 2024£755,000 | 3 Bed House40, Whielden Street, Amersham, HP7 0HU40, Whielden Street, Amersham, HP7 0HU
• Sold Jul 2024£700,000 | 3 Bed House26, Whielden Street, Amersham, HP7 0HT26, Whielden Street, Amersham, HP7 0HT
• Sold Jul 2024£580,000 | 3 Bed House39 Gilbert Scott Court, Whielden Street, Amersham, HP7 0AR39 Gilbert Scott Court, Whielden Street, Amersham, HP7 0AR
• Sold Aug 2023£699,950 | 3 Bed House36 Gilbert Scott Court, Whielden Street, Amersham, HP7 0AP36 Gilbert Scott Court, Whielden Street, Amersham, HP7 0AP
• Sold Jun 2022£450,000 | 3 Bed House39, Whielden Street, Amersham, HP7 0HU39, Whielden Street, Amersham, HP7 0HU
• Sold Aug 2021£675,000 | 3 Bed House2, Ward Place, Amersham, HP7 0EU2, Ward Place, Amersham, HP7 0EU
• Sold Jun 2021£591,666 | 3 Bed House50, Whielden Street, Amersham, HP7 0HU50, Whielden Street, Amersham, HP7 0HU
• Sold Dec 2020£635,000 | 3 Bed House21, Whielden Street, Amersham, HP7 0HU21, Whielden Street, Amersham, HP7 0HU
• Sold Jan 2020£410,000 | 3 Bed House29, Whielden Street, Amersham, HP7 0HU29, Whielden Street, Amersham, HP7 0HU
• Sold Aug 2019£555,000 | 3 Bed House118, High Street, Amersham, HP7 0ED118, High Street, Amersham, HP7 0ED
• Sold May 2018£575,000 | 3 Bed House102 Gilbert Scott Court, Whielden Street, Amersham, HP7 0AR102 Gilbert Scott Court, Whielden Street, Amersham, HP7 0AR
• Sold Apr 2016£550,000 | 3 Bed House37 Gilbert Scott Court, Whielden Street, Amersham, HP7 0AR37 Gilbert Scott Court, Whielden Street, Amersham, HP7 0AR
• Sold Jul 2014£400,000 | 3 Bed House100 Gilbert Scott Court, Whielden Street, Amersham, HP7 0AR100 Gilbert Scott Court, Whielden Street, Amersham, HP7 0AR
• Sold Aug 2012£322,500 | 3 Bed House38 Gilbert Scott Court, Whielden Street, Amersham, HP7 0AR38 Gilbert Scott Court, Whielden Street, Amersham, HP7 0AR
• Sold Jun 2008£375,000 | 3 Bed House19, Thornhill Close, Amersham, HP7 0EW19, Thornhill Close, Amersham, HP7 0EW
• Sold Feb 2007£353,000 | 3 Bed House101 Gilbert Scott Court, Whielden Street, Amersham, HP7 0AR101 Gilbert Scott Court, Whielden Street, Amersham, HP7 0AR

Of the 21 addresses on Thornhill Close, Amersham, HP7, 20, Thornhill Close, Amersham comes out as the 2nd largest and the 2nd most expensive in our analysis of the public data.

It is also £39k less expensive than the average property across the HP7 district.

• St Mary's CofE Primary School, Amersham

  400 m away
• St George's Church of England Infant School

  2.0 km away
• Woodside Junior School

  2.1 km away

• Dr Challoner's Grammar School

  1.3 km away
• Amersham School

  1.7 km away
• Dr Challoner's High School

  3.4 km away

• Amersham

  |

  1.2 km away
• Chalfont & Latimer

  |

  4.0 km away
• Chesham

  |

  4.4 km away

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