18, Harkness Road, Slough occupies a 368 m² plot as recorded by HM Land Registry.

Of the 41 other houses in this postcode, 38 have recorded plot sizes, and this one ranks as the 2nd largest.

18, Harkness Road, Slough has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 06 Sep 2019.

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

18, Harkness Road, Slough last changed hands on 22nd November 2019, selling for £447,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

The market for similar properties has risen by 6.8% since November 2019.

Land Registry records and our Estate Agent network show 150 sales of comparable properties within 570 metres of 18, Harkness Road, Slough since 2010.

Most recently, 42, Milner Road, Slough, SL1 7PB, a freehold house, sold at £510,000 on the 6th October 2025.

Read more about house prices in SL1.

• Sold Oct 2025£510,000 | 3 Bed House42, Milner Road, Slough, SL1 7PB42, Milner Road, Slough, SL1 7PB
• Sold Aug 2025£490,000 | 3 Bed House12, Nursery Road, Maidenhead, SL6 0JZ12, Nursery Road, Maidenhead, SL6 0JZ
• Sold Aug 2025£467,500 | 2 Bed House58, Nursery Road, Maidenhead, SL6 0JU58, Nursery Road, Maidenhead, SL6 0JU
• Sold Jan 2025£450,000 | 3 Bed House52, The Green, Slough, SL1 7BG52, The Green, Slough, SL1 7BG
• Sold Dec 2024£410,000 | 3 Bed House4, Harkness Road, Slough, SL1 7BL4, Harkness Road, Slough, SL1 7BL
• Sold Dec 2024£435,000 | 3 Bed House40, Aldbourne Road, Slough, SL1 7NJ40, Aldbourne Road, Slough, SL1 7NJ
• Sold Aug 2024£450,000 | 3 Bed House17, Wethered Drive, Slough, SL1 7NG17, Wethered Drive, Slough, SL1 7NG
• Sold Aug 2024£410,000 | 3 Bed House72, Lent Green Lane, Slough, SL1 7AP72, Lent Green Lane, Slough, SL1 7AP
• Sold Dec 2023£520,000 | 3 Bed House101, Stomp Road, Slough, SL1 7NN101, Stomp Road, Slough, SL1 7NN
• Sold Dec 2022£565,000 | 3 Bed House7, Wethered Drive, Slough, SL1 7NG7, Wethered Drive, Slough, SL1 7NG
• Sold Sep 2022£460,000 | 3 Bed House5, Bayley Crescent, Slough, SL1 7EF5, Bayley Crescent, Slough, SL1 7EF
• Sold Mar 2022£485,000 | 3 Bed House7, Harkness Road, Slough, SL1 7BL7, Harkness Road, Slough, SL1 7BL
• Sold Dec 2020£375,000 | 3 Bed House3, Harkness Road, Slough, SL1 7BL3, Harkness Road, Slough, SL1 7BL
• Sold Sep 2020£365,000 | 3 Bed House6, Harkness Road, Slough, SL1 7BL6, Harkness Road, Slough, SL1 7BL
• Sold Aug 2020£387,000 | 3 Bed House22, Harkness Road, Slough, SL1 7BL22, Harkness Road, Slough, SL1 7BL
• Sold Jan 2019£455,000 | 3 Bed House14, Wendover Road, Slough, SL1 7ND14, Wendover Road, Slough, SL1 7ND
• Sold May 2016£485,000 | 3 Bed House12, Harkness Road, Slough, SL1 7BL12, Harkness Road, Slough, SL1 7BL
• Sold Apr 2016£420,000 | 3 Bed House50, Aldbourne Road, Slough, SL1 7NJ50, Aldbourne Road, Slough, SL1 7NJ
• Sold Apr 2014£355,000 | 3 Bed House5, Aldbourne Road, Slough, SL1 7NJ5, Aldbourne Road, Slough, SL1 7NJ
• Sold May 2010£245,000 | 3 Bed House5, Harkness Road, Slough, SL1 7BL5, Harkness Road, Slough, SL1 7BL

Our analysis of the public data ranks 18, Harkness Road, Slough as the 11th largest and the 11th most expensive of the 41 addresses on Harkness Road, Burnham, Slough, SL1.

Against the SL1 postcode district average, it is £104k more expensive than the typical property.

• Lent Rise School

  200 m away
• St Peter's Church of England Primary School

  700 m away
• Our Lady of Peace Catholic Primary and Nursery School

  800 m away

• Burnham Grammar School

  1.0 km away
• The Westgate School

  3.0 km away
• Beechwood School

  3.2 km away

• Taplow

  |

  1.2 km away
• Burnham (Buckinghamshire)

  |

  1.4 km away
• Burnham

  |

  1.4 km away

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