HM Land Registry records the plot of land for 17, Castle Avenue, Slough as measuring 550 m².

That makes it the 12th largest plot in the postcode, where 21 of the 22 other houses have recorded plot data.

17, Castle Avenue, Slough has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 16 Nov 2023.

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 17, Castle Avenue, Slough completed on 26th September 2016 at £463,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold twice.

Values of comparable properties have dropped by 1.3% over the period since September 2016.

Since 2007 185 properties similar to 17, Castle Avenue, Slough have sold within a radius of 1.4 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 15th January 2026, was 10, Fairfield Avenue, Slough, SL3 9NQ, a freehold house which sold for £700,000.

Read more about house prices in SL3.

• Sold Jan 2026£700,000 | 4 Bed House10, Fairfield Avenue, Slough, SL3 9NQ10, Fairfield Avenue, Slough, SL3 9NQ
• Sold Mar 2025£682,000 | 4 Bed House46, London Road, Slough, SL3 9JR46, London Road, Slough, SL3 9JR
• Sold Feb 2025£1,000,000 | 4 Bed House2, Ruscombe Gardens, Slough, SL3 9BG2, Ruscombe Gardens, Slough, SL3 9BG
• Sold Jan 2025£710,000 | 4 Bed House105A, Slough Road, Slough, SL3 9AQ105A, Slough Road, Slough, SL3 9AQ
• Sold Dec 2024£650,000 | 4 Bed House10, Castle Avenue, Slough, SL3 9BA10, Castle Avenue, Slough, SL3 9BA
• Sold Jul 2024£618,000 | 4 Bed House9, Gables Close, Slough, SL3 9BB9, Gables Close, Slough, SL3 9BB
• Sold Dec 2022£634,000 | 4 Bed House18, Gables Close, Slough, SL3 9BB18, Gables Close, Slough, SL3 9BB
• Sold Sep 2022£625,000 | 4 Bed House5, Castle Avenue, Slough, SL3 9BA5, Castle Avenue, Slough, SL3 9BA
• Sold Jun 2021£642,000 | 4 Bed House123A, Slough Road, Slough, SL3 9AQ123A, Slough Road, Slough, SL3 9AQ
• Sold Apr 2021£705,000 | 4 Bed House42, Eton Road, Slough, SL3 9AY42, Eton Road, Slough, SL3 9AY
• Sold Jan 2021£580,000 | 4 Bed House3, Agars Place, Slough, SL3 9AH3, Agars Place, Slough, SL3 9AH
• Sold Jul 2020£750,000 | 4 Bed House12, Agars Place, Slough, SL3 9AH12, Agars Place, Slough, SL3 9AH
• Sold Aug 2019£615,000 | 4 Bed House4, Gables Close, Slough, SL3 9BB4, Gables Close, Slough, SL3 9BB
• Sold Nov 2018£700,000 | 4 Bed House125, Slough Road, Slough, SL3 9AE125, Slough Road, Slough, SL3 9AE
• Sold Jun 2018£610,000 | 4 Bed House41, Slough Road, Slough, SL3 9AL41, Slough Road, Slough, SL3 9AL
• Sold Apr 2017£650,000 | 4 Bed House101D, Slough Road, Slough, SL3 9AQ101D, Slough Road, Slough, SL3 9AQ
• Sold Sep 2015£525,000 | 4 Bed House26, Eton Close, Slough, SL3 9BE26, Eton Close, Slough, SL3 9BE
• Sold May 2014£530,000 | 4 Bed House2, Agars Place, Slough, SL3 9AH2, Agars Place, Slough, SL3 9AH
• Sold May 2011£322,500 | 4 Bed House16, Castle Avenue, Slough, SL3 9BA16, Castle Avenue, Slough, SL3 9BA
• Sold Sep 2007£420,000 | 4 Bed House24, Castle Avenue, Slough, SL3 9BA24, Castle Avenue, Slough, SL3 9BA

Of the 22 addresses on Castle Avenue, Datchet, Slough, SL3, 17, Castle Avenue, Slough comes out as the 7th largest and the 3rd most expensive in our analysis of the public data.

It is also £208k more expensive than the average property across the SL3 district.

• Datchet St Mary's CofE Primary School

  1.1 km away
• St Mary's Church of England Primary School

  1.5 km away
• Castleview Primary School

  1.6 km away

• Churchmead Church of England (VA) School

  800 m away
• Ditton Park Academy

  1.1 km away
• Upton Court Grammar School

  1.5 km away

• Datchet

  |

  1.1 km away
• Windsor & Eton Riverside

  |

  1.6 km away
• Windsor & Eton Central

  |

  2.0 km away

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