Our Data Sources
30, Carlton Avenue, Harrow has a single entry in the Land Registry from November 2022 and a single entry in the EPC database dated November 2021.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
Price Range & Condition
In very good condition, we estimate 30, Carlton Avenue, Harrow would be worth £727,227, with a potential rental value of £3,095 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £644,115, with a rental value of £2,741 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
30, Carlton Avenue, Harrow occupies a 357 m2 plot as recorded by HM Land Registry.
Of the 29 other houses in this postcode, 27 have recorded plot sizes, and this one ranks as the 20th largest.
Energy Efficiency
30, Carlton Avenue, Harrow has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 18 Nov 2021.
The property is connected to mains gas and has some double glazing. It is heated using Boiler and radiators, mains gas.
Sold Prices
30, Carlton Avenue, Harrow last changed hands on 15th November 2022, selling for £665,000. 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 dropped by 9.2% since November 2022.
- Sold Nov 2022£665,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 3 sales of comparable properties within 560 metres of 30, Carlton Avenue, Harrow across the last 2 years.
Most recently, 17, Becmead Avenue, Harrow, HA3 8HD, a freehold house, sold at £780,000 on the 19th December 2025.
Read more about house prices in HA3.
- Sold Dec 2025£780,000 | 4 Bed House17, Becmead Avenue, Harrow, HA3 8HD17, Becmead Avenue, Harrow, HA3 8HD
- Sold Mar 2023£762,500 | 4 Bed House44, Mayfield Avenue, Harrow, HA3 8EU44, Mayfield Avenue, Harrow, HA3 8EU
- Sold Jun 2022£700,000 | 5 Bed House32, Carlton Avenue, Harrow, HA3 8AY32, Carlton Avenue, Harrow, HA3 8AY
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 30, Carlton Avenue, Harrow as the 9th largest and the 14th most expensive of the 80 addresses on Carlton Avenue, Harrow, HA3.
Against the HA3 postcode district average, it is £179k more expensive than the typical property.
More reading links
Schools Nearby
- 700mElmgrove Primary School & Nursery
- 1.0kmSaint Jerome Church of England Bilingual School
- 1.3kmMount Stewart Infant School
- 800mHarrow High School
- 900mSt Gregory's Catholic Science College
- 1.7kmClaremont High School
More reading links
Public Transport Nearby
- 300mKenton
- 600mNorthwick Park
- 1.4kmHarrow-on-the-Hill
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a very low risk of flooding.












