20, Castle Gardens, Dorking occupies a 8,894 m² plot as recorded by HM Land Registry.

Of the 22 other houses in this postcode, 17 have recorded plot sizes, and this one ranks as the largest.

20, Castle Gardens, Dorking has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 22 Jul 2020.

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

20, Castle Gardens, Dorking last changed hands on 15th December 2020, selling for £990,000. 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 1.0% since December 2020.

• Sold Dec 2020£990,000

Land Registry records and our Estate Agent network show 35 sales of comparable properties within 1.9 kilometres of 20, Castle Gardens, Dorking since 2013.

Most recently, 100, Brockham Lane, Betchworth, RH3 7EQ, a freehold house, sold at £1,170,000 on the 26th November 2025.

Read more about house prices in RH4.

• Sold Nov 2025£1,170,000 | 4 Bed House100, Brockham Lane, Betchworth, RH3 7EQ100, Brockham Lane, Betchworth, RH3 7EQ
• Sold Aug 2025£1,020,000 | 5 Bed HouseHeath Cottage, Reigate Road, Dorking, RH4 1QBHeath Cottage, Reigate Road, Dorking, RH4 1QB
• Sold Jul 2025£1,200,000 | 5 Bed HouseElm Cottage, Brockham Green, Betchworth, RH3 7JSElm Cottage, Brockham Green, Betchworth, RH3 7JS
• Sold Oct 2024£920,000 | 5 Bed HouseElysia, Boxhill Road, Tadworth, KT20 7JNElysia, Boxhill Road, Tadworth, KT20 7JN
• Sold Nov 2023£850,000 | 5 Bed HouseAshurst House, Ashurst Drive, Tadworth, KT20 7LNAshurst House, Ashurst Drive, Tadworth, KT20 7LN
• Sold Oct 2022£975,000 | 5 Bed House20, Hillside Gardens, Betchworth, RH3 7EW20, Hillside Gardens, Betchworth, RH3 7EW
• Sold Jun 2022£975,000 | 4 Bed House18, Hillside Gardens, Betchworth, RH3 7EW18, Hillside Gardens, Betchworth, RH3 7EW
• Sold Apr 2021£1,110,000 | 5 Bed House3, The Cedars, Betchworth, RH3 7DA3, The Cedars, Betchworth, RH3 7DA
• Sold Dec 2020£1,082,700 | 5 Bed HouseHeadley Barn, Headley Heath Approach, Tadworth, KT20 7LLHeadley Barn, Headley Heath Approach, Tadworth, KT20 7LL
• Sold Oct 2020£820,000 | 4 Bed House8, The Avenue, Betchworth, RH3 7EN8, The Avenue, Betchworth, RH3 7EN
• Sold Aug 2020£970,000 | 5 Bed HouseBirch Glade, Boxhill Road, Tadworth, KT20 7JTBirch Glade, Boxhill Road, Tadworth, KT20 7JT
• Sold Jul 2020£1,035,000 | 5 Bed House7, Ladyegate Road, Dorking, RH5 4AS7, Ladyegate Road, Dorking, RH5 4AS
• Sold Mar 2020£1,150,000 | 5 Bed House6 Boxhill Farm Barns, Old Reigate Road, Dorking, RH4 1NS6 Boxhill Farm Barns, Old Reigate Road, Dorking, RH4 1NS
• Sold Oct 2017£750,000 | 5 Bed House32, Brockham Lane, Betchworth, RH3 7EL32, Brockham Lane, Betchworth, RH3 7EL
• Sold Jan 2017£850,000 | 5 Bed House48, Brockham Lane, Betchworth, RH3 7EH48, Brockham Lane, Betchworth, RH3 7EH
• Sold Jun 2016£1,000,000 | 5 Bed House1, The Cedars, Betchworth, RH3 7DA1, The Cedars, Betchworth, RH3 7DA
• Sold Jul 2015£890,000 | 5 Bed House4 Boxhill Farm Barns, Old Reigate Road, Dorking, RH4 1NS4 Boxhill Farm Barns, Old Reigate Road, Dorking, RH4 1NS
• Sold Jan 2015£915,000 | 5 Bed House11, Brockham Lane, Betchworth, RH3 7EJ11, Brockham Lane, Betchworth, RH3 7EJ
• Sold Jan 2014£855,000 | 4 Bed HouseSpringholme, Deepdene Park Road, Dorking, RH5 4AWSpringholme, Deepdene Park Road, Dorking, RH5 4AW
• Sold Mar 2013£770,000 | 4 Bed House4, The Cedars, Betchworth, RH3 7DA4, The Cedars, Betchworth, RH3 7DA

Our analysis of the public data ranks 20, Castle Gardens, Dorking as the 3rd largest and the 3rd most expensive of the 22 addresses on Castle Gardens, Dorking, RH4.

Against the RH4 postcode district average, it is £496k more expensive than the typical property.

• North Downs Primary School

  1.3 km away
• St Paul's CofE Primary School

  2.5 km away
• St Martin's CofE Primary School

  2.9 km away

• The Ashcombe School

  2.3 km away
• The Priory Church of England School

  3.4 km away
• St Andrew's Catholic School

  7.1 km away

• Dorking (Main)

  |

  1.9 km away
• Dorking (Deepdene)

  |

  1.9 km away
• Betchworth

  |

  2.3 km away

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