18, Round Hill occupies a 193 m² plot as recorded by HM Land Registry.

Of the 27 other houses in this postcode, 17 have recorded plot sizes, and this one ranks as the 6th largest.

18, Round Hill has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 25 Jul 2025.

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

18, Round Hill last changed hands on 1st November 2013, selling for £249,000. 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 54.9% since November 2013.

Land Registry records and our Estate Agent network show 55 sales of comparable properties within 390 metres of 18, Round Hill since 2017.

Most recently, 22, Round Hill, London, SE26 4RG, a freehold house, sold at £642,800 on the 12th June 2026.

Read more about house prices in SE26.

• Sold Jun 2026£642,800 | 3 Bed House22, Round Hill, London, SE26 4RG22, Round Hill, London, SE26 4RG
• Sold Oct 2025£665,000 | 3 Bed House9, Longfield Crescent, London, SE26 4DU9, Longfield Crescent, London, SE26 4DU
• Sold Aug 2025£668,000 | 3 Bed House7, Hassocks Close, London, SE26 4BS7, Hassocks Close, London, SE26 4BS
• Sold May 2025£630,000 | 3 Bed House8, Hassocks Close, London, SE26 4BS8, Hassocks Close, London, SE26 4BS
• Sold Feb 2025£680,000 | 3 Bed House2, Longfield Crescent, London, SE26 4DX2, Longfield Crescent, London, SE26 4DX
• Sold Oct 2024£520,000 | 3 Bed House28, Round Hill, London, SE26 4RG28, Round Hill, London, SE26 4RG
• Sold Jun 2024£530,000 | 3 Bed House8, Longfield Crescent, London, SE26 4DX8, Longfield Crescent, London, SE26 4DX
• Sold May 2024£635,000 | 3 Bed House40, Round Hill, London, SE26 4RG40, Round Hill, London, SE26 4RG
• Sold Mar 2024£625,000 | 3 Bed House21, Longfield Crescent, London, SE26 4DU21, Longfield Crescent, London, SE26 4DU
• Sold Aug 2023£525,000 | 3 Bed House7, Longfield Crescent, London, SE26 4DU7, Longfield Crescent, London, SE26 4DU
• Sold Jun 2023£476,000 | 3 Bed House20, Round Hill, London, SE26 4RG20, Round Hill, London, SE26 4RG
• Sold Dec 2022£525,000 | 3 Bed House18, Kirkdale, London, SE26 4NE18, Kirkdale, London, SE26 4NE
• Sold Nov 2022£600,000 | 3 Bed House16, Kirkdale, London, SE26 4NE16, Kirkdale, London, SE26 4NE
• Sold Apr 2021£570,000 | 3 Bed House10A, Kirkdale, London, SE26 4NE10A, Kirkdale, London, SE26 4NE
• Sold Mar 2021£599,950 | 3 Bed House14, Kirkdale, London, SE26 4NE14, Kirkdale, London, SE26 4NE
• Sold Feb 2021£590,000 | 3 Bed House14A, Kirkdale, London, SE26 4NE14A, Kirkdale, London, SE26 4NE
• Sold Dec 2020£562,000 | 3 Bed House12, Kirkdale, London, SE26 4NE12, Kirkdale, London, SE26 4NE
• Sold Oct 2017£415,000 | 3 Bed House6, Hassocks Close, London, SE26 4BS6, Hassocks Close, London, SE26 4BS
• Sold Mar 2017£447,500 | 3 Bed House23, Longfield Crescent, London, SE26 4DU23, Longfield Crescent, London, SE26 4DU
• Sold Jan 2017£460,000 | 3 Bed House44, Round Hill, London, SE26 4RG44, Round Hill, London, SE26 4RG

Our analysis of the public data ranks 18, Round Hill as the 38th largest and the 38th most expensive of the 41 addresses on Round Hill, London, SE26.

Against the SE26 postcode district average, it is £82k more expensive than the typical property.

• Holy Trinity Church of England Primary School

  100 m away
• Eliot Bank Primary School

  300 m away
• Kelvin Grove Primary School

  500 m away

• Sydenham School

  200 m away
• Forest Hill School

  800 m away
• Kingsdale Foundation School

  1.9 km away

• Forest Hill

  |

  500 m away
• Sydenham

  |

  900 m away
• Sydenham (London)

  |

  900 m away

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