Our Data Sources
40, Tretawn Gardens has a single entry in the Land Registry from August 2025 and a single entry in the EPC database dated August 2021.
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
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 40, Tretawn Gardens, we estimate a market value of £1,195,917 and a rental value of £4,294 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £1,059,241 and £3,804 per month respectively.
Plot Size
HM Land Registry records the plot of land for 40, Tretawn Gardens as measuring 455 m2.
That makes it the 8th largest plot in the postcode, where all 24 other houses have recorded plot data.
Energy Efficiency
40, Tretawn Gardens has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 03 Aug 2021.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
The most recent sale of 40, Tretawn Gardens completed on 29th August 2025 at £1,200,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
Values of comparable properties have dropped by 29.0% over the period since August 2025.
- Sold Aug 2025£1,200,000
Similar Properties Sold Nearby
Over the past 2 years 92 properties similar to 40, Tretawn Gardens have sold within a radius of 790 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 30th January 2026, was 2, Glenwood Road, London, NW7 4LJ, a freehold house which sold for £955,000.
Read more about house prices in NW7.
- Sold Jan 2026£955,000 | 4 Bed House2, Glenwood Road, London, NW7 4LJ2, Glenwood Road, London, NW7 4LJ
- Sold Oct 2024£1,480,000 | 4 Bed House42, Lawrence Avenue, London, NW7 4NN42, Lawrence Avenue, London, NW7 4NN
- Sold Jan 2023£940,000 | 4 Bed House89, The Reddings, London, NW7 4JP89, The Reddings, London, NW7 4JP
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 51 addresses on Tretawn Gardens, London, NW7, 40, Tretawn Gardens comes out as the 33rd largest and the 32nd most expensive in our analysis of the public data.
It is also £434k more expensive than the average property across the NW7 district.
More reading links
Schools Nearby
- Courtland School600 m away
- Fairway Primary School and Children's Centre900 m away
- St Paul's CofE Primary School NW71.0 km away
- Mill Hill County High School700 m away
- Copthall School1.9 km away
- Hasmonean High School for Girls2.3 km away
More reading links
Public Transport Nearby
- Mill Hill Broadway|1.2 km away
- Edgware|2.3 km away
- Burnt Oak|2.6 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












