18, Theobald Crescent, Harrow occupies a 218 m² plot as recorded by HM Land Registry.

Of the 22 other houses in this postcode, 9 have recorded plot sizes, and this one ranks as the 3rd largest.

18, Theobald Crescent, Harrow has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 23 Aug 2016.

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

Land Registry records and our Estate Agent network show 108 sales of comparable properties within 580 metres of 18, Theobald Crescent, Harrow since 2015.

Most recently, 3, Carmelite Close, Harrow, HA3 5NL, a freehold house, sold at £480,000 on the 18th March 2026.

Read more about house prices in HA3.

• Sold Mar 2026£480,000 | 3 Bed House3, Carmelite Close, Harrow, HA3 5NL3, Carmelite Close, Harrow, HA3 5NL
• Sold Feb 2026£407,000 | 3 Bed House16, Ufford Close, Harrow, HA3 6PP16, Ufford Close, Harrow, HA3 6PP
• Sold Jul 2025£440,000 | 3 Bed House32, Tillotson Road, Harrow, HA3 6PS32, Tillotson Road, Harrow, HA3 6PS
• Sold Mar 2025£402,000 | 3 Bed House253, Headstone Lane, Harrow, HA3 6PG253, Headstone Lane, Harrow, HA3 6PG
• Sold Nov 2024£446,000 | 3 Bed House257, Headstone Lane, Harrow, HA3 6PG257, Headstone Lane, Harrow, HA3 6PG
• Sold Nov 2024£417,000 | 3 Bed House114, Courtenay Avenue, Harrow, HA3 6LN114, Courtenay Avenue, Harrow, HA3 6LN
• Sold Aug 2024£420,000 | 3 Bed House1, Theobald Crescent, Harrow, HA3 5NB1, Theobald Crescent, Harrow, HA3 5NB
• Sold Aug 2024£387,500 | 3 Bed House30, Tillotson Road, Harrow, HA3 6PS30, Tillotson Road, Harrow, HA3 6PS
• Sold Aug 2024£400,000 | 3 Bed House35, Tillotson Road, Harrow, HA3 6PR35, Tillotson Road, Harrow, HA3 6PR
• Sold Dec 2023£387,000 | 3 Bed House99, Augustine Road, Harrow, HA3 5NT99, Augustine Road, Harrow, HA3 5NT
• Sold Aug 2023£385,000 | 3 Bed House174, Carmelite Road, Harrow, HA3 5NF174, Carmelite Road, Harrow, HA3 5NF
• Sold Aug 2023£415,000 | 3 Bed House57, Augustine Road, Harrow, HA3 5NS57, Augustine Road, Harrow, HA3 5NS
• Sold Nov 2022£450,000 | 3 Bed House198, Long Elmes, Harrow, HA3 6LH198, Long Elmes, Harrow, HA3 6LH
• Sold Mar 2022£475,000 | 3 Bed House267, Headstone Lane, Harrow, HA3 6PG267, Headstone Lane, Harrow, HA3 6PG
• Sold Oct 2019£332,000 | 3 Bed House125, Augustine Road, Harrow, HA3 5NT125, Augustine Road, Harrow, HA3 5NT
• Sold Dec 2018£415,000 | 3 Bed House225, Long Elmes, Harrow, HA3 6LE225, Long Elmes, Harrow, HA3 6LE
• Sold Sep 2018£375,000 | 3 Bed House79, Augustine Road, Harrow, HA3 5NT79, Augustine Road, Harrow, HA3 5NT
• Sold Jun 2018£375,000 | 3 Bed House81, Augustine Road, Harrow, HA3 5NT81, Augustine Road, Harrow, HA3 5NT
• Sold Sep 2017£405,000 | 3 Bed House265, Headstone Lane, Harrow, HA3 6PG265, Headstone Lane, Harrow, HA3 6PG
• Sold Aug 2015£350,000 | 3 Bed House244, Long Elmes, Harrow, HA3 6LF244, Long Elmes, Harrow, HA3 6LF

Our analysis of the public data ranks 18, Theobald Crescent, Harrow as the 5th largest and the 6th most expensive of the 30 addresses on Theobald Crescent, Harrow, HA3.

Against the HA3 postcode district average, it is £138k less expensive than the typical property.

• St Teresa's Catholic Primary School and Nursery

  200 m away
• Cedars Manor School

  300 m away
• Pinner Park Primary School

  700 m away

• Hatch End High School

  300 m away
• Salvatorian Roman Catholic College

  1.1 km away
• The Sacred Heart Language College

  1.4 km away

• Headstone Lane

  |

  100 m away
• Hatch End

  |

  1.2 km away

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