21 Constance Place, SG3 6EE
Flat / maisonette · Leasehold · Knebworth, East of England
The full report on this property
A 5 page dossier for 21 Constance Place: 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
- £485,00022 July 2024 · Flat / maisonette
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 21 Constance Place
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
8offences in 12 months
- anti social behaviour3
- burglary1
- other theft1
- public order1
Rail links
6min walk to Knebworth
- Knebworth468m · ~6 min
Schools within 1km
1within walking distance
- Knebworth Primary and Nursery School68m
Dot = Ofsted rating: green good or outstanding, amber requires improvement
Deprivation (IMD)
10of 10 (10 = least deprived)
Among the least deprived neighbourhoods nationally.
Area context
District-level figures for SG3, not specific to this address.
Sources: Environment Agency flood risk, Ofcom Connected Nations, Defra air quality. District averages, not a per-address assessment.
This property’s energy certificate
EPC rating
certified June 2016
Source: MHCLG EPC register, matched to this address. Habitable rooms count bedrooms and receptions together. Certificates last up to 10 years, so details reflect the property at certification.
The area: Knebworth (SG3)
Whether this address is a good buy depends on where Knebworth is heading. Praesago tracks prices, crime, planning, schools and 30+ official sources for SG3, updated monthly.
Recent sales near 21 Constance Place
| 18 Constance Place | £280,000 | May 2026 |
| 7 Constance Place | £280,000 | Dec 2025 |
| 10 Constance Place | £315,000 | Jul 2025 |
| 19 Constance Place | £270,000 | Mar 2025 |
| 5 Constance Place | £450,000 | Jun 2024 |
21 Constance Place common questions
When did 21 Constance Place last sell and for how much?
21 Constance Place, SG3 6EE last sold for £485,000 on 22 July 2024, according to HM Land Registry.
How many times has 21 Constance Place been sold?
HM Land Registry records 1 sale at this address since 1995.
Is Knebworth a good area?
Praesago scores Knebworth (SG3) 52 out of 100 for area trajectory, based on 30+ official data sources covering prices, crime, planning and more. See the full Knebworth 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.