9b Belsize Avenue, NW3 4BL
Terraced house · Leasehold · Hampstead, London
The full report on this property
A 5 page dossier for 9b Belsize Avenue: every comparable sale within 400m with price per square metre, five years of planning applications around the address, crime trend, schools and stations, and the red flags worth raising before you offer.
Official records only. No valuations, no estimates. Not a survey.
Sale history
- £885,00020 August 2024 · Terraced house
Source: HM Land Registry Price Paid Data (Crown copyright). Completions appear roughly 7 weeks after the event.
Planning history at this property
No planning applications matched to this exact address in the records Praesago holds.
Address-matched planning coverage begins mid-2026; older applications are recorded by postcode only, so an empty history is not proof that 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
88offences in 12 months
- violence and sexual offences16
- anti social behaviour14
- shoplifting14
- burglary12
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
Dot = Ofsted rating: green good or outstanding, amber requires improvement
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.
Sources: Environment Agency flood risk, Ofcom Connected Nations, Defra air quality, English Indices of Deprivation 2025. 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.
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 for the breakdown.
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.