HM Land Registry records the plot of land for 12, Heddon Close, Isleworth as measuring 326 m².

That makes it the 3rd largest plot in the postcode, where 22 of the 23 other houses have recorded plot data.

12, Heddon Close, Isleworth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 05 Jul 2021.

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 12, Heddon Close, Isleworth completed on 11th February 2022 at £810,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold 4 times.

Values of comparable properties have risen by 1.4% over the period since February 2022.

• Sold Feb 2022£810,000
• Sold Dec 2013£499,950
• Sold Aug 2011£415,000

Since 2013 139 properties similar to 12, Heddon Close, Isleworth have sold within a radius of 460 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 22nd October 2025, was 60, Elizabeth Gardens, Isleworth, TW7 7BD, a freehold house which sold for £800,000.

Read more about house prices in TW7.

• Sold Oct 2025£800,000 | 4 Bed House60, Elizabeth Gardens, Isleworth, TW7 7BD60, Elizabeth Gardens, Isleworth, TW7 7BD
• Sold Sep 2025£845,000 | 4 Bed House5, Brantwood Avenue, Isleworth, TW7 7EX5, Brantwood Avenue, Isleworth, TW7 7EX
• Sold Aug 2025£700,000 | 4 Bed House1, Elizabeth Gardens, Isleworth, TW7 7BD1, Elizabeth Gardens, Isleworth, TW7 7BD
• Sold Apr 2025£675,000 | 4 Bed House188, Twickenham Road, Isleworth, TW7 7DR188, Twickenham Road, Isleworth, TW7 7DR
• Sold Dec 2024£775,000 | 4 Bed House4, Brantwood Avenue, Isleworth, TW7 7EX4, Brantwood Avenue, Isleworth, TW7 7EX
• Sold Oct 2024£940,000 | 4 Bed House4 Stainton Terrace, Algar Close, Isleworth, TW7 7AQ4 Stainton Terrace, Algar Close, Isleworth, TW7 7AQ
• Sold Jun 2024£740,000 | 4 Bed House196, Twickenham Road, Isleworth, TW7 7DR196, Twickenham Road, Isleworth, TW7 7DR
• Sold Jan 2024£680,000 | 4 Bed House16, Heddon Close, Isleworth, TW7 7DP16, Heddon Close, Isleworth, TW7 7DP
• Sold Aug 2023£760,000 | 4 Bed House31, Brantwood Avenue, Isleworth, TW7 7EX31, Brantwood Avenue, Isleworth, TW7 7EX
• Sold Sep 2022£750,000 | 4 Bed House47, Chestnut Grove, Isleworth, TW7 7HA47, Chestnut Grove, Isleworth, TW7 7HA
• Sold Mar 2022£810,000 | 4 Bed House12, Elizabeth Gardens, Isleworth, TW7 7BD12, Elizabeth Gardens, Isleworth, TW7 7BD
• Sold Feb 2022£725,000 | 4 Bed House28, Kings Terrace, Isleworth, TW7 7AW28, Kings Terrace, Isleworth, TW7 7AW
• Sold May 2021£707,500 | 4 Bed House54, Elizabeth Gardens, Isleworth, TW7 7BD54, Elizabeth Gardens, Isleworth, TW7 7BD
• Sold Feb 2020£744,000 | 4 Bed House20, Brantwood Avenue, Isleworth, TW7 7EX20, Brantwood Avenue, Isleworth, TW7 7EX
• Sold Sep 2019£590,000 | 4 Bed House212, Twickenham Road, Isleworth, TW7 7DR212, Twickenham Road, Isleworth, TW7 7DR
• Sold Jun 2019£545,000 | 4 Bed House14, Cleveland Road, Isleworth, TW7 7EY14, Cleveland Road, Isleworth, TW7 7EY
• Sold Apr 2019£260,000 | 4 Bed House1 Stainton Terrace, Algar Close, Isleworth, TW7 7AQ1 Stainton Terrace, Algar Close, Isleworth, TW7 7AQ
• Sold Sep 2017£749,950 | 4 Bed House11, Brantwood Avenue, Isleworth, TW7 7EX11, Brantwood Avenue, Isleworth, TW7 7EX
• Sold Nov 2014£575,000 | 4 Bed House18, Brantwood Avenue, Isleworth, TW7 7EX18, Brantwood Avenue, Isleworth, TW7 7EX
• Sold Aug 2013£415,000 | 4 Bed House1, Heddon Close, Isleworth, TW7 7DP1, Heddon Close, Isleworth, TW7 7DP

Of the 23 addresses on Heddon Close, Isleworth, TW7, 12, Heddon Close, Isleworth comes out as the 7th largest and the 2nd most expensive in our analysis of the public data.

It is also £236k more expensive than the average property across the TW7 district.

• Worple Primary School

  300 m away
• St Mary's Catholic Primary School, Isleworth

  400 m away
• The Blue School CofE Primary

  500 m away

• Gumley House RC Convent School, FCJ

  300 m away
• The Green School for Boys

  1.4 km away
• The Green School for Girls

  1.5 km away

• Isleworth

  |

  1.1 km away
• St Margarets (London)

  |

  1.4 km away
• Twickenham

  |

  1.8 km away

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