SG3 6BJ
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Property report — SG3 6BJ
Open-data due diligence for SG3 6BJ and the area around it.
SG3 6BJ in brief: 46 recorded sales (£75,000–£565,000) · no modelled flood risk · 6 schools nearby.
What scope is each figure? Sold sales, broadband and flood risk are for SG3 6BJ itself. Where open data isn't published that finely (population, crime, schools), we show the SG3 6 sector — each figure below is tagged with its scope.
Avg sold price
£492,177
Population
11,638
Crimes recorded
32
Schools
3
Flood risk
None modelled
Gigabit broadband
74%
Sold-price trend (1995–2026)
Annual sold price in SG3 6, 1995–2026 — mean (blue) and median (terracotta). The median is the typical sale; a wide gap to the mean means a few high-value sales pull the average up. 2026 is a part year (25 sales so far). Hover a point for both figures. Source: HM Land Registry Price Paid.
Sold prices on this postcode
| Date | Price | Address | Type |
|---|---|---|---|
| 2025-08-26 | £565,000 | 21A GUN LANE | Detached |
| 2025-05-22 | £443,000 | 43 GUN LANE | Semi-detached |
| 2022-10-31 | £478,000 | 33 GUN LANE | Semi-detached |
| 2022-10-03 | £500,000 | 17A GUN LANE | Terraced |
| 2022-05-30 | £500,000 | 17C GUN LANE | Terraced |
| 2022-05-16 | £480,000 | 17B GUN LANE | Terraced |
| 2020-12-22 | £425,000 | 43 GUN LANE | Semi-detached |
| 2020-10-12 | £485,000 | 41 GUN LANE | Semi-detached |
| 2020-08-14 | £430,000 | 29 GUN LANE | Semi-detached |
| 2020-03-10 | £420,000 | 17A GUN LANE | Detached |
| 2019-11-08 | £415,000 | 21A GUN LANE | Detached |
| 2019-04-24 | £535,000 | 62 GUN LANE | Detached |
| 2019-03-28 | £450,000 | 25 GUN LANE | Semi-detached |
| 2018-11-14 | £419,950 | 31 GUN LANE | Semi-detached |
| 2017-03-31 | £396,000 | 21 GUN LANE | Semi-detached |
| 2015-05-28 | £353,000 | 41 GUN LANE | Semi-detached |
| 2015-03-31 | £351,000 | 43 GUN LANE | Semi-detached |
| 2015-03-24 | £325,000 | 25 GUN LANE | Semi-detached |
| 2014-07-25 | £292,000 | 31 GUN LANE | Semi-detached |
| 2014-03-26 | £475,000 | 50 GUN LANE | Detached |
| 2014-01-24 | £321,000 | 21B GUN LANE | Detached |
| 2013-10-11 | £277,500 | 29 GUN LANE | Semi-detached |
| 2009-05-07 | £245,000 | 33 GUN LANE | Semi-detached |
| 2007-07-27 | £245,000 | 23 GUN LANE | Semi-detached |
| 2007-01-05 | £249,999 | 31 GUN LANE | Semi-detached |
| 2006-08-30 | £223,000 | 21 GUN LANE | Semi-detached |
| 2006-05-05 | £222,000 | 29 GUN LANE | Semi-detached |
| 2006-01-27 | £249,995 | 17A GUN LANE | Detached |
| 2005-12-02 | £372,000 | 64 GUN LANE | Detached |
| 2005-06-17 | £378,000 | 50 GUN LANE | Detached |
| 2004-07-30 | £235,000 | 31 GUN LANE | Semi-detached |
| 2004-07-16 | £215,000 | 33 GUN LANE | Semi-detached |
| 2003-12-11 | £275,000 | 21A GUN LANE | Detached |
| 2003-09-19 | £208,000 | 27 GUN LANE | Semi-detached |
| 2003-01-31 | £214,000 | 41 GUN LANE | Semi-detached |
| 2002-08-15 | £355,000 | 64 GUN LANE | Detached |
| 2001-03-05 | £149,950 | 43 GUN LANE | Semi-detached |
| 2000-07-25 | £282,000 | DEEPINGS GUN LANE | Detached |
| 2000-05-16 | £132,500 | 33 GUN LANE | Semi-detached |
| 2000-01-24 | £141,000 | 21 GUN LANE | Semi-detached |
| 1999-12-10 | £150,000 | 41 GUN LANE | Semi-detached |
| 1999-10-25 | £114,250 | 27 GUN LANE | Semi-detached |
| 1999-06-17 | £109,500 | 29 GUN LANE | Semi-detached |
| 1998-10-02 | £94,000 | 31 GUN LANE | Semi-detached |
| 1997-07-25 | £86,000 | 29 GUN LANE | Semi-detached |
| 1997-04-22 | £75,000 | 27 GUN LANE | Semi-detached |
46 recorded sales on SG3 6BJ. Source: HM Land Registry Price Paid (© Crown copyright). Shown for this postcode only.
Nearest schools
| School | Distance | Phase | Ofsted |
|---|---|---|---|
| Knebworth Primary and Nursery School | 0.2 mi | Primary | Report card → |
| St Michael's Woolmer Green CofE VA Primary School | 0.9 mi | Primary | Report card → |
| All Saints Church of England Voluntary Aided Primary School, Datchworth | 1.0 mi | Primary | Good (2024) |
| Shephalbury Park Primary School | 1.5 mi | Primary | Good (2022) |
| St Margaret Clitherow Roman Catholic Primary School | 1.5 mi | Primary | Good (2024) |
| Oaklands Primary School | 1.5 mi | Primary | Good (2023) |
Straight-line distance from the postcode. Ofsted = latest overall effectiveness (newer inspections may be ungraded). Sources: Get Information about Schools (DfE) · Ofsted.
What's nearby
Nearest GP surgeries: KNEBWORTH & MARYMEAD PRACTICE (0.3 mi) · SHEPHALL HEALTH CENTRE (2.1 mi) · BRIDGE COTTAGE SURGERY (2.6 mi)
Nearest hospitals: THE LISTER HOSPITAL TREATMENT CENTRE ELECTIVE SURGICAL HUB (4.4 mi) · LISTER HOSPITAL (4.4 mi) · THE LISTER HOSPITAL SURGICENTRE (4.4 mi)
Nearest listed buildings: THE OLD COTTAGE (Grade II) (0.0 mi) · 1, GUN LANE (Grade II) (0.1 mi) · CHURCH OF ST MARTIN (Grade II*) (0.3 mi)
Nearest pharmacies: PHARMACY EXPRESS (0.3 mi) · WELL (1.4 mi) · TESCO INSTORE PHARMACY (1.5 mi)
Nearest stations: Knebworth (0.3 mi) · Welwyn North (2.7 mi) · Stevenage (2.8 mi)
Nearest supermarkets: Co-op Food (0.3 mi) · Tesco (1.5 mi) · The Food Warehouse (2.2 mi)
Straight-line distance from the postcode. Source: NaPTAN (DfT).
Who lives here
- Median age
- 48
- One-person households
- 27%
- Households with children
- 27%
- Households
- 4,857
Owned 72% · Social rent 13% · Private rent 15%
Census 2021 (ONS), for SG3 6.
Recorded crime trend
Recorded crimes per month in SG3 6 (May 24–Apr 26, average 30/month). Hover a point to read the count. Source: Police.uk street-level data.
Flood risk
No modelled flood risk is recorded for SG3 6BJ in the Environment Agency dataset. This is reassuring but not a guarantee — Check the exact address on the official Environment Agency map →
Source: Environment Agency Risk of Flooding from Rivers and Sea (the official dataset name). Indicative catchment data, not an official property flood search.
How granular is this?
| Measure | DistrictSG3 | SectorSG3 6 | PostcodeSG3 6BJ |
|---|---|---|---|
| Average sold price | £492,177 | £492,177 | £312,123 |
| Population | 11,638 | 11,638 | — |
| Deprivation decile (1 = most deprived) | 9/10 | 9/10 | — |
| Crimes recorded | 32 | 32 | — |
| Schools | 3 | 3 | — |
| Flood risk | Low | Low | Low |
| Gigabit broadband | 74% | 74% | 100% |
| Superfast broadband | 97% | 97% | 100% |
— = no separate figure is published at that level. Most open data is published down to the sector (SG3 6); the postcode column is built from the layers that go finer (sold transactions, Ofcom broadband). Sources: HM Land Registry · Police.uk · Ofsted/GIAS · ONS & IoD2025 · Environment Agency · Ofcom.
Your next steps
Get the official title document
The HM Land Registry title register shows the legal owner, price paid and any charges or covenants. Official copy, £7.
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Report generated 30 June 2026. Open data is refreshed periodically; HM Land Registry Price Paid typically lags by around two months, so the most recent sales may not appear yet.
Contains OS data © Crown copyright and database right 2026
Contains Royal Mail data © Royal Mail copyright and database right 2026
Contains National Statistics data © Crown copyright and database right 2026
Indicative due diligence compiled from public open data. Not a substitute for a regulated conveyancing or property search, a survey, or professional advice.