21, Blenheim Road, Slough occupies a 409 m² plot as recorded by HM Land Registry.

All 18 other houses in this postcode have recorded plot sizes, and this one ranks as the 14th largest.

21, Blenheim Road, Slough has an Energy Performance Rating (EPC) of F. This is based on the most recent assessment, dated 07 Mar 2014.

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

21, Blenheim Road, Slough last changed hands on 10th July 2014, selling for £370,000. 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 25.9% since July 2014.

• Sold Jul 2014£370,000

Land Registry records and our Estate Agent network show 154 sales of comparable properties within 740 metres of 21, Blenheim Road, Slough since 2013.

Most recently, 106, Upton Court Road, Slough, SL3 7ND, a freehold house, sold at £632,000 on the 17th December 2025.

Read more about house prices in SL3.

• Sold Dec 2025£632,000 | 3 Bed House106, Upton Court Road, Slough, SL3 7ND106, Upton Court Road, Slough, SL3 7ND
• Sold Nov 2025£675,000 | 3 Bed House208, London Road, Slough, SL3 7HS208, London Road, Slough, SL3 7HS
• Sold Oct 2025£651,000 | 3 Bed House39, Marlborough Road, Slough, SL3 7JW39, Marlborough Road, Slough, SL3 7JW
• Sold Sep 2025£590,000 | 3 Bed House33, The Glen, Slough, SL3 7HP33, The Glen, Slough, SL3 7HP
• Sold Aug 2024£625,000 | 3 Bed House35, Boxall Way, Slough, SL3 7UG35, Boxall Way, Slough, SL3 7UG
• Sold May 2024£557,000 | 3 Bed House28, The Glen, Slough, SL3 7HP28, The Glen, Slough, SL3 7HP
• Sold Mar 2024£855,000 | 3 Bed House3, Castleview Road, Slough, SL3 7NH3, Castleview Road, Slough, SL3 7NH
• Sold Feb 2024£665,000 | 3 Bed House21, The Glen, Slough, SL3 7HP21, The Glen, Slough, SL3 7HP
• Sold Oct 2023£675,000 | 3 Bed House18, Marlborough Road, Slough, SL3 7LH18, Marlborough Road, Slough, SL3 7LH
• Sold Mar 2023£650,000 | 3 Bed House15, The Glen, Slough, SL3 7HP15, The Glen, Slough, SL3 7HP
• Sold Sep 2022£700,000 | 3 Bed House48, Marlborough Road, Slough, SL3 7LH48, Marlborough Road, Slough, SL3 7LH
• Sold Aug 2022£705,000 | 3 Bed House71, Marlborough Road, Slough, SL3 7JW71, Marlborough Road, Slough, SL3 7JW
• Sold Feb 2021£593,000 | 3 Bed House180, London Road, Slough, SL3 7HS180, London Road, Slough, SL3 7HS
• Sold Mar 2020£572,000 | 3 Bed House15, Blenheim Road, Slough, SL3 7NL15, Blenheim Road, Slough, SL3 7NL
• Sold Dec 2018£605,000 | 3 Bed House34, Blenheim Road, Slough, SL3 7NJ34, Blenheim Road, Slough, SL3 7NJ
• Sold Aug 2018£640,000 | 3 Bed House78, Castleview Road, Slough, SL3 7NQ78, Castleview Road, Slough, SL3 7NQ
• Sold May 2018£500,000 | 3 Bed House1, Dandridge Close, Slough, SL3 7JJ1, Dandridge Close, Slough, SL3 7JJ
• Sold Aug 2016£595,000 | 3 Bed House35, Marlborough Road, Slough, SL3 7JW35, Marlborough Road, Slough, SL3 7JW
• Sold Nov 2013£405,000 | 3 Bed House30, Blenheim Road, Slough, SL3 7NJ30, Blenheim Road, Slough, SL3 7NJ
• Sold Nov 2013£380,000 | 3 Bed House34, Marlborough Road, Slough, SL3 7LH34, Marlborough Road, Slough, SL3 7LH

Our analysis of the public data ranks 21, Blenheim Road, Slough as the 32nd largest and the 29th most expensive of the 38 addresses on Blenheim Road, Slough, SL3.

Against the SL3 postcode district average, it is £123k more expensive than the typical property.

• Castleview Primary School

  100 m away
• Ryvers School

  700 m away
• The Langley Academy Primary

  1.0 km away

• Ditton Park Academy

  400 m away
• Langley Grammar School

  1.0 km away
• St Bernard's Catholic Grammar School

  1.1 km away

• Datchet

  |

  1.9 km away
• Langley

  |

  2.0 km away
• Langley (Berks)

  |

  2.0 km away

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