20, Blackwell Avenue, Guildford occupies a 252 m² plot as recorded by HM Land Registry.

Of the 31 other houses in this postcode, 30 have recorded plot sizes, and this one ranks as the 27th largest.

20, Blackwell Avenue, Guildford has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 07 Nov 2018.

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

20, Blackwell Avenue, Guildford last changed hands on 5th August 2005, selling for £250,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

• Sold Aug 2005£250,000

Land Registry records and our Estate Agent network show 19 sales of comparable properties within 840 metres of 20, Blackwell Avenue, Guildford since 2007.

Most recently, The Old Cottage, Broad Street, Guildford, GU3 3BE, a freehold house, sold at £1,042,500 on the 26th March 2026.

Read more about house prices in GU2.

• Sold Mar 2026£1,042,500 | 4 Bed HouseThe Old Cottage, Broad Street, Guildford, GU3 3BEThe Old Cottage, Broad Street, Guildford, GU3 3BE
• Sold Oct 2025£550,000 | 4 Bed House10, St. Marys Way, Guildford, GU2 8JY10, St. Marys Way, Guildford, GU2 8JY
• Sold Mar 2024£485,000 | 4 Bed House10, Pond Meadow, Guildford, GU2 8LF10, Pond Meadow, Guildford, GU2 8LF
• Sold Oct 2023£525,000 | 4 Bed House68, Applegarth Avenue, Guildford, GU2 8LT68, Applegarth Avenue, Guildford, GU2 8LT
• Sold May 2023£520,000 | 4 Bed House1, Hartshill, Guildford, GU2 8LW1, Hartshill, Guildford, GU2 8LW
• Sold Dec 2022£795,000 | 4 Bed House6, Oak Cottage Close, Guildford, GU3 3DB6, Oak Cottage Close, Guildford, GU3 3DB
• Sold May 2022£774,950 | 4 Bed House92, Broad Street, Guildford, GU3 3BE92, Broad Street, Guildford, GU3 3BE
• Sold May 2022£455,000 | 4 Bed House147, Applegarth Avenue, Guildford, GU2 8LP147, Applegarth Avenue, Guildford, GU2 8LP
• Sold Jan 2021£750,000 | 4 Bed House64, Broad Street, Guildford, GU3 3BE64, Broad Street, Guildford, GU3 3BE
• Sold Dec 2018£345,000 | 4 Bed House5, Applegarth Avenue, Guildford, GU2 8LZ5, Applegarth Avenue, Guildford, GU2 8LZ
• Sold Feb 2017£450,000 | 4 Bed House63, Applegarth Avenue, Guildford, GU2 8LX63, Applegarth Avenue, Guildford, GU2 8LX
• Sold May 2016£332,500 | 4 Bed House159, Applegarth Avenue, Guildford, GU2 8LP159, Applegarth Avenue, Guildford, GU2 8LP
• Sold Nov 2015£320,000 | 4 Bed House161, Applegarth Avenue, Guildford, GU2 8LP161, Applegarth Avenue, Guildford, GU2 8LP
• Sold Jan 2015£352,500 | 4 Bed House53, Applegarth Avenue, Guildford, GU2 8LX53, Applegarth Avenue, Guildford, GU2 8LX
• Sold May 2014£300,000 | 4 Bed House44, Applegarth Avenue, Guildford, GU2 8LY44, Applegarth Avenue, Guildford, GU2 8LY
• Sold Nov 2013£300,000 | 4 Bed House2, Pond Meadow, Guildford, GU2 8LF2, Pond Meadow, Guildford, GU2 8LF
• Sold Aug 2013£301,000 | 4 Bed House13, Little Platt, Guildford, GU2 8JU13, Little Platt, Guildford, GU2 8JU
• Sold Aug 2010£325,000 | 4 Bed House11, Hunts Close, Guildford, GU2 8LS11, Hunts Close, Guildford, GU2 8LS
• Sold Feb 2007£245,000 | 4 Bed House253, Cabell Road, Guildford, GU2 8JW253, Cabell Road, Guildford, GU2 8JW

Our analysis of the public data ranks 20, Blackwell Avenue, Guildford as the 2nd largest and the 2nd most expensive of the 31 addresses on Blackwell Avenue, Guildford, GU2.

Against the GU2 postcode district average, it is £121k more expensive than the typical property.

• Guildford Grove Primary School

  500 m away
• Wood Street Infant School and Nursery

  800 m away
• St Joseph's Catholic Primary School

  1.2 km away

• Kings College Guildford

  600 m away
• Guildford County School

  2.4 km away
• Christ's College, Guildford

  2.7 km away

• Guildford

  |

  2.6 km away
• London Road (Guildford)

  |

  3.6 km away
• Wanborough

  |

  3.6 km away

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