Our Data Sources
1 Flask Cottages has a single entry in the Land Registry from June 2007 and no records in the EPC database.
We combine this sold price information with public data of neighbouring properties to estimate the attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
Price Range & Condition
In very good condition, we estimate 1 Flask Cottages would be worth £2,216,578, with a potential rental value of £8,909 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £1,963,255, with a rental value of £7,891 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
1 Flask Cottages occupies a 121 m2 plot as recorded by HM Land Registry.
All 4 other houses in this postcode have recorded plot sizes, and this one ranks as the largest.
Sold Prices
1 Flask Cottages last changed hands on 27th June 2007, selling for £950,000. 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 risen by 70.0% since June 2007.
- Sold Jun 2007£950,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 3 sales of comparable properties within 320 metres of 1 Flask Cottages across the last 2 years.
Most recently, 17, The Mount, London, NW3 6SZ, a freehold house, sold at £2,185,000 on the 23rd December 2025.
Read more about house prices in NW3.
- Sold Dec 2025£2,185,000 | 4 Bed House17, The Mount, London, NW3 6SZ17, The Mount, London, NW3 6SZ
- Sold Sep 2025£2,025,000 | 4 Bed House4, Murray Terrace, London, NW3 1EX4, Murray Terrace, London, NW3 1EX
- Sold Sep 2021£1,581,500 | 4 Bed House18, Perrins Lane, London, NW3 1QY18, Perrins Lane, London, NW3 1QY
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Our analysis of the public data ranks 1 Flask Cottages as the 7th largest and the 24th most expensive of the 81 addresses on Flask Walk, London, NW3.
Against the NW3 postcode district average, it is £787k more expensive than the typical property.
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Schools Nearby
- 100mNew End Primary School
- 200mChrist Church Primary School, Hampstead
- 300mHampstead Parochial Church of England Primary School
- 1.7kmWilliam Ellis School
- 1.8kmParliament Hill School
- 1.8kmThe UCL Academy
More reading links
Public Transport Nearby
- 200mHampstead
- 700mHampstead Heath
- 1.0kmFinchley Road & Frognal
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a very low risk of flooding.












