Our Data Sources
21, Preston Hill, Harrow has a single entry in the Land Registry from April 2018 and a single entry in the EPC database dated May 2022.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 out of 5 and is considered of medium accuracy.
Price Range & Condition
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 21, Preston Hill, Harrow is in very good condition we estimate a sale value of £729,994 and a rental value of £2,908 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £646,566 and a rental value of £2,575 per month.
Plot Size
According to data from HM Land Registry, 21, Preston Hill, Harrow sits on a plot of 246 m2.
We have plot size data on 29 out of 29 other houses in the postcode and 21, Preston Hill, Harrow sits on the 21st largest plot.
Energy Efficiency
21, Preston Hill, Harrow has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 19 May 2022.
The property is connected to mains gas and has fully triple glazed windows. It is heated using a boiler and underfloor heating (mains gas).
Sold Prices
According to HM Land Registry, 21, Preston Hill, Harrow was last sold on 13th April 2018 for £575,000 and was recorded as a freehold house.
The property has only had this single sale since 1995.
Since April 2018, the market for similar properties has dropped by 4.2%.
- Sold Apr 2018£575,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 62 sales of properties similar to 21, Preston Hill, Harrow within a radius of 520 metres since 2012.
The most recent example is 83, Dorchester Way, Harrow, HA3 9RD, a freehold house which sold for £730,000 on the 20th May 2026.
Read more about house prices in HA3.
- Sold May 2026£730,000 | 4 Bed House83, Dorchester Way, Harrow, HA3 9RD83, Dorchester Way, Harrow, HA3 9RD
- Sold Apr 2026£612,000 | 4 Bed House8, The Leys, Harrow, HA3 9SP8, The Leys, Harrow, HA3 9SP
- Sold Dec 2025£620,000 | 4 Bed House63, Ormesby Way, Harrow, HA3 9SE63, Ormesby Way, Harrow, HA3 9SE
- Sold Aug 2025£700,000 | 4 Bed House31, Salehurst Close, Harrow, HA3 0UG31, Salehurst Close, Harrow, HA3 0UG
- Sold Aug 2024£815,000 | 4 Bed House102, Chapman Crescent, Harrow, HA3 0TF102, Chapman Crescent, Harrow, HA3 0TF
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £604,269, ranging from £523,980 to £695,232.
- 19 Preston Hill
3 Bed House | 6 m | Est. Value: £523,980
- 23 Preston Hill
4 Bed House | 8 m | Est. Value: £695,232
- 17 Preston Hill
3 Bed House | 14 m | Est. Value: £552,305
- 25 Preston Hill
4 Bed House | 15 m | Est. Value: £669,358
- 29 Preston Hill
4 Bed House | 31 m | Est. Value: £588,340
Location Comparison
Preston Hill, Harrow, HA3 has a total of 236 addresses. According to our analysis of all the public data, 21, Preston Hill, Harrow is the 37th largest and the 37th most expensive property on the street.
When compared to the postcode district it is £184k more expensive than the average property in HA3.
More reading links
Schools Nearby
- Sinai Jewish Primary School500 m away
- St Bernadette's Catholic Primary School700 m away
- Uxendon Manor Primary School800 m away
- JFS500 m away
- Claremont High School500 m away
- Kingsbury High School1.0 km away
More reading links
Public Transport Nearby
- Kingsbury|500 m away
- Queensbury|1.2 km away
- Preston Road|1.5 km away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












