Our Data Sources
12, Boniface Gardens, Harrow has a single entry in the Land Registry from November 2023 and a single entry in the EPC database dated June 2023.
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 12, Boniface Gardens, Harrow is in very good condition we estimate a sale value of £459,626 and a rental value of £2,323 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £407,097 and a rental value of £2,058 per month.
Plot Size
According to data from HM Land Registry, 12, Boniface Gardens, Harrow sits on a plot of 310 m2.
We have plot size data on 23 out of 31 other houses in the postcode and 12, Boniface Gardens, Harrow sits on the 7th largest plot.
Energy Efficiency
12, Boniface Gardens, Harrow has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 08 Jun 2023.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
According to HM Land Registry, 12, Boniface Gardens, Harrow was last sold on 1st November 2023 for £400,000 and was recorded as a freehold house.
The property has only had this single sale since 1995.
Since November 2023, the market for similar properties has risen by 23.4%.
- Sold Nov 2023£400,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 203 sales of properties similar to 12, Boniface Gardens, Harrow within a radius of 710 metres since 2011.
The most recent example is 16, Ufford Close, Harrow, HA3 6PP, a freehold house which sold for £407,000 on the 16th February 2026.
Read more about house prices in HA3.
- Sold Feb 2026£407,000 | 3 Bed House16, Ufford Close, Harrow, HA3 6PP16, Ufford Close, Harrow, HA3 6PP
- Sold Nov 2025£410,000 | 3 Bed House11, Mepham Gardens, Harrow, HA3 6QS11, Mepham Gardens, Harrow, HA3 6QS
- 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£425,000 | 3 Bed House24, Tillotson Road, Harrow, HA3 6PS24, Tillotson Road, Harrow, HA3 6PS
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 £442,443, ranging from £360,692 to £577,936.
- 10 Boniface Gardens
3 Bed House | 17 m | Est. Value: £465,697
- 15 Boniface Gardens
3 Bed House | 21 m | Est. Value: £364,458
- 16 Boniface Gardens
4 Bed House | 30 m | Est. Value: £419,066
- 8 Boniface Gardens
3 Bed House | 35 m | Est. Value: £437,739
- 17 Boniface Gardens
3 Bed House | 36 m | Est. Value: £360,692
Location Comparison
Boniface Gardens, Harrow, HA3 has a total of 32 addresses. According to our analysis of all the public data, 12, Boniface Gardens, Harrow is the 22nd largest and the 5th most expensive property on the street.
When compared to the postcode district it is £74k less expensive than the average property in HA3.
More reading links
Schools Nearby
- St Teresa's Catholic Primary School and Nursery400 m away
- Cedars Manor School500 m away
- Pinner Park Primary School1.2 km away
- Hatch End High School200 m away
- Salvatorian Roman Catholic College1.6 km away
- The Sacred Heart Language College1.8 km away
More reading links
Public Transport Nearby
- Headstone Lane|500 m away
- Hatch End|700 m away
- Pinner|2.3 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.





