9b Belsize Avenue, NW3 4BL
Terraced house · Leasehold · Hampstead, London
Data updates monthly. Explore Hampstead on the map →
Everything above is free. This is what we'd tell a friend.
A 5 page dossier for 9b Belsize Avenue: the specific red flags worth raising before you offer, every comparable sale within 400m lined up against this asking price, and the questions an experienced buyer would ask. Not more records. Our judgement on the ones above.
Official records only. No valuations, no estimates. Not a survey.
Sale history
- £885,00020 August 2024 · Terraced house
Completions appear roughly 7 weeks after the event.
Planning history at this property
No planning applications matched to this exact address. Address-level coverage begins mid-2026, so this isn't proof nothing was ever filed here.
Around 9b Belsize Avenue
Amber pins are planning applications from the last two years. Train and school icons show the nearest rail links and schools. Tap anything for details.
Local intelligence
Crime within 500 metres, nearest stations, schools and deprivation context around this address.
Crime within 500m
822offences in 12 months
- anti social behaviour181
- violence and sexual offences118
- vehicle crime96
- shoplifting93
Rail links
9min walk to Hampstead Heath
- Hampstead Heath720m · ~9 min
- Finchley Road & Frognal893m · ~11 min
- Finchley Road And Frognal893m · ~11 min
Schools within 1km
5within walking distance
- St Christopher's School171m
- Maria Montessori School330m
- Gloucester House, The Tavistock Children's Day Unit345m
- Rosary Catholic Primary School375m · Good
Deprivation (IMD)
9of 10
Least deprived nationally
Area context
District-level figures for NW3, not specific to this address.
Deprivation by domain across NW3
Decile 1 = most deprived 10% of England nationally · Decile 10 = least deprived. This breakdown covers the whole district; the decile 9 figure above is for this address’s immediate neighbourhood specifically, so the two can differ.
District averages, not a per-address assessment.
Energy efficiency at NW3 4BL
Postcode-level figures from the MHCLG EPC register. No certificate matched this exact address, which usually means none has been lodged since 2008.
Property specs
Room count from this address’s EPC certificate, plus what’s currently listed on this street.
From live portal listings on this street, not necessarily this address. Portals do not publish house numbers on search results, so this cannot be matched to a single specific property.
The area: Hampstead (NW3)
Whether this address is a good buy depends on where Hampstead is heading. Praesago tracks prices, crime, planning, schools and 30+ official sources for NW3, updated monthly.
Recent sales near 9b Belsize Avenue
| 27 Belsize Avenue | £700,000 | Apr 2026 |
| 15 Belsize Avenue | £780,000 | Nov 2025 |
| 21 Belsize Avenue | £550,000 | Mar 2025 |
| 5 Belsize Avenue | £1,135,000 | Feb 2025 |
| 27 Belsize Avenue | £625,000 | Sept 2024 |
| 31 Belsize Avenue | £1,200,000 | Apr 2024 |
| 11 Belsize Avenue | £1,085,000 | Mar 2024 |
9b Belsize Avenue common questions
When did 9b Belsize Avenue last sell and for how much?
9b Belsize Avenue, NW3 4BL last sold for £885,000 on 20 August 2024, according to HM Land Registry.
How many times has 9b Belsize Avenue been sold?
HM Land Registry records 1 sale at this address since 1995.
Is Hampstead a good area?
Praesago scores Hampstead (NW3) 48 out of 100 for area trajectory, based on 30+ official data sources covering prices, crime, planning and more. See the full Hampstead area page →
Disclaimer: Praesago provides data analytics and market intelligence. Nothing on this platform constitutes financial advice, investment advice, or a personal recommendation. Property values can fall as well as rise. Past performance does not predict future results. Seek independent financial and legal advice before making property investment decisions.