21, Iona Close has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 31 Dec 2015.

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

The most recent sale of 21, Iona Close completed on 22nd March 2016 at £309,000 and was recorded by HM Land Registry as a leasehold flat.

Since 1995 this is the property's only sale.

Values of comparable properties have risen by 17.2% over the period since March 2016.

• Sold Mar 2016£309,000

Since 2007 37 properties similar to 21, Iona Close have sold within a radius of 440 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 26th January 2026, was 97, Nelgarde Road, London, SE6 4TB, a leasehold flat which sold for £320,000.

Read more about house prices in SE6.

• Sold Jan 2026£320,000 | 2 Bed Flat97, Nelgarde Road, London, SE6 4TB97, Nelgarde Road, London, SE6 4TB
• Sold Feb 2025£300,000 | 3 Bed Flat22, Iona Close, London, SE6 4YL22, Iona Close, London, SE6 4YL
• Sold Sep 2024£300,000 | 2 Bed FlatFlat 3, 29, Ravensbourne Park, London, SE6 4XYFlat 3, 29, Ravensbourne Park, London, SE6 4XY
• Sold Jul 2024£320,000 | 3 Bed Flat3, Iona Close, London, SE6 4YL3, Iona Close, London, SE6 4YL
• Sold Dec 2023£300,000 | 3 Bed Flat10, Iona Close, London, SE6 4YL10, Iona Close, London, SE6 4YL
• Sold Nov 2023£350,000 | 2 Bed Flat8 Tina Court, Ravensbourne Park Crescent, London, SE6 4YF8 Tina Court, Ravensbourne Park Crescent, London, SE6 4YF
• Sold Dec 2022£320,000 | 3 Bed Flat2, Iona Close, London, SE6 4YL2, Iona Close, London, SE6 4YL
• Sold Sep 2022£340,000 | 3 Bed Flat18, Iona Close, London, SE6 4YL18, Iona Close, London, SE6 4YL
• Sold Jun 2022£230,000 | 3 Bed Flat37, Iona Close, London, SE6 4YN37, Iona Close, London, SE6 4YN
• Sold Dec 2021£349,000 | 3 Bed Flat31, Iona Close, London, SE6 4YN31, Iona Close, London, SE6 4YN
• Sold Sep 2021£300,000 | 2 Bed Flat12, Iona Close, London, SE6 4YL12, Iona Close, London, SE6 4YL
• Sold Mar 2019£320,000 | 3 Bed Flat19, Iona Close, London, SE6 4YL19, Iona Close, London, SE6 4YL
• Sold Nov 2018£306,000 | 2 Bed Flat2 Tina Court, Ravensbourne Park Crescent, London, SE6 4YF2 Tina Court, Ravensbourne Park Crescent, London, SE6 4YF
• Sold Apr 2018£312,500 | 3 Bed Flat4, Iona Close, London, SE6 4YL4, Iona Close, London, SE6 4YL
• Sold Dec 2017£315,000 | 3 Bed Flat38, Iona Close, London, SE6 4YN38, Iona Close, London, SE6 4YN
• Sold Dec 2016£335,000 | 3 Bed Flat13, Iona Close, London, SE6 4YL13, Iona Close, London, SE6 4YL
• Sold Aug 2016£338,000 | 2 Bed Flat32, Iona Close, London, SE6 4YN32, Iona Close, London, SE6 4YN
• Sold Nov 2014£230,000 | 3 Bed Flat16, Iona Close, London, SE6 4YL16, Iona Close, London, SE6 4YL
• Sold Oct 2009£150,000 | 2 Bed Flat6, Iona Close, London, SE6 4YL6, Iona Close, London, SE6 4YL
• Sold Dec 2007£145,000 | 3 Bed Flat14, Iona Close, London, SE6 4YL14, Iona Close, London, SE6 4YL

Of the 50 addresses on Iona Close, London, SE6, 21, Iona Close comes out as the 3rd largest and the most expensive in our analysis of the public data.

It is also £128k less expensive than the average property across the SE6 district.

• Holbeach Primary School

  400 m away
• Stillness Junior School

  700 m away
• Stillness Infant School

  700 m away

• Prendergast School

  1.4 km away
• Conisborough College

  1.9 km away
• Harris Girls' Academy East Dulwich

  2.1 km away

• Catford

  |

  400 m away
• Catford Bridge

  |

  400 m away
• Crofton Park

  |

  1.0 km away

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