SA1 4NW
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Property report — SA1 4NW
Open-data due diligence for SA1 4NW and the area around it.
SA1 4NW in brief: 56 recorded sales (£38,000–£230,000) · no modelled flood risk.
What scope is each figure? Sold sales, broadband and flood risk are for SA1 4NW itself. Where open data isn't published that finely (population, crime, schools), we show the SA1 4 sector — each figure below is tagged with its scope.
Avg sold price
£189,078
Crimes recorded
113
Schools
19
Flood risk
None modelled
Gigabit broadband
90%
Sold-price trend (1995–2026)
Annual sold price in SA1 4, 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 (15 sales so far). Hover a point for both figures. Source: HM Land Registry Price Paid.
Sold prices on this postcode
| Date | Price | Address | Type |
|---|---|---|---|
| 2025-09-05 | £180,000 | 138 ST HELENS AVENUE | Terraced |
| 2025-08-11 | £130,000 | 129 ST HELENS AVENUE | Terraced |
| 2025-01-06 | £195,000 | 119 ST HELENS AVENUE | Terraced |
| 2024-06-07 | £143,000 | 121 ST HELENS AVENUE | Terraced |
| 2023-11-21 | £196,620 | 120 ST HELENS AVENUE | Terraced |
| 2023-11-14 | £230,000 | 136 ST HELENS AVENUE | Terraced |
| 2023-09-27 | £177,500 | 105 ST HELENS AVENUE | Terraced |
| 2023-02-03 | £142,000 | 136 ST HELENS AVENUE | Terraced |
| 2022-04-05 | £176,000 | 131 ST HELENS AVENUE | Terraced |
| 2021-06-25 | £172,000 | 122 ST HELENS AVENUE | Terraced |
| 2021-06-16 | £215,000 | 114 ST HELENS AVENUE | Terraced |
| 2021-06-07 | £210,000 | 139 ST HELENS AVENUE | Terraced |
| 2020-12-18 | £179,000 | 119 ST HELENS AVENUE | Terraced |
| 2019-10-25 | £194,000 | 113 ST HELENS AVENUE | Terraced |
| 2018-01-03 | £165,000 | 120 ST HELENS AVENUE | Terraced |
| 2017-08-18 | £140,000 | 125 ST HELENS AVENUE | Terraced |
| 2017-02-20 | £110,000 | 126 ST HELENS AVENUE | Terraced |
| 2016-11-02 | £117,500 | 113 ST HELENS AVENUE | Terraced |
| 2016-10-14 | £140,000 | 108 ST HELENS AVENUE | Terraced |
| 2016-01-28 | £159,000 | 124 ST HELENS AVENUE | Terraced |
| 2015-05-22 | £130,000 | 123 ST HELENS AVENUE | Terraced |
| 2014-10-03 | £156,000 | 110 ST HELENS AVENUE | Terraced |
| 2014-07-24 | £190,000 | 111 ST HELENS AVENUE | Terraced |
| 2014-01-22 | £154,000 | 119 ST HELENS AVENUE | Terraced |
| 2013-12-17 | £147,000 | 112 ST HELENS AVENUE | Terraced |
| 2013-09-10 | £128,500 | 118 ST HELENS AVENUE | Terraced |
| 2011-10-31 | £145,000 | 140 ST HELENS AVENUE | Terraced |
| 2011-09-13 | £110,000 | 119 ST HELENS AVENUE | Terraced |
| 2010-12-23 | £150,792 | 107 ST HELENS AVENUE | Terraced |
| 2009-07-24 | £120,000 | 114 ST HELENS AVENUE | Terraced |
| 2008-12-19 | £125,000 | 110 ST HELENS AVENUE | Semi-detached |
| 2008-10-08 | £102,000 | 139 ST HELENS AVENUE | Terraced |
| 2008-09-02 | £142,000 | 135 ST HELENS AVENUE | Terraced |
| 2008-05-15 | £142,500 | 115 ST HELENS AVENUE | Terraced |
| 2008-03-06 | £110,000 | 111 ST HELENS AVENUE | Terraced |
| 2006-10-16 | £135,000 | 132 ST HELENS AVENUE | Terraced |
| 2006-08-03 | £135,000 | 106 ST HELENS AVENUE | Terraced |
| 2006-06-08 | £135,000 | 109 ST HELENS AVENUE | Terraced |
| 2005-12-16 | £132,000 | 126 ST HELENS AVENUE | Terraced |
| 2005-07-28 | £147,000 | 122 ST HELENS AVENUE | Terraced |
| 2004-08-27 | £154,500 | 116 ST HELENS AVENUE | Terraced |
| 2004-05-28 | £132,500 | 109 ST HELENS AVENUE | Terraced |
| 2003-06-30 | £112,000 | 135 ST HELENS AVENUE | Terraced |
| 2003-03-14 | £99,995 | 127 ST HELENS AVENUE | Terraced |
| 2002-10-15 | £72,000 | 106 ST HELENS AVENUE | Terraced |
| 2002-03-28 | £80,500 | 135 ST HELENS AVENUE | Terraced |
| 2000-11-17 | £57,000 | 126 ST HELENS AVENUE | Terraced |
| 2000-06-30 | £57,500 | 137 ST HELENS AVENUE | Terraced |
| 2000-02-25 | £46,000 | 133 ST HELENS AVENUE | Terraced |
| 1999-11-26 | £69,950 | 134 ST HELENS AVENUE | Terraced |
| 1999-10-29 | £55,000 | 122 ST HELENS AVENUE | Terraced |
| 1999-10-14 | £69,950 | 135 ST HELENS AVENUE | Terraced |
| 1996-12-12 | £42,500 | FLAT 1, BROCKLEY COURT, 103 ST HELENS AVENUE | Terraced |
| 1996-12-06 | £38,000 | 109 ST HELENS AVENUE | Terraced |
| 1996-10-15 | £55,000 | FLAT 1, BROCKLEY COURT, 103 ST HELENS AVENUE | Terraced |
| 1996-06-07 | £48,000 | 124 ST HELENS AVENUE | Terraced |
56 recorded sales on SA1 4NW. Source: HM Land Registry Price Paid (© Crown copyright). Shown for this postcode only.
What's nearby
Nearest GP surgeries: BRUNSWICK HEALTH CENTRE (0.4 mi) · THE GROVE MEDICAL CENTRE (0.4 mi) · UPLANDS & MUMBLES SURGERY (0.4 mi)
Nearest pharmacies: BOOTS (0.3 mi) · WELL (0.3 mi) · KEVIN THOMAS PHARMACY (0.5 mi)
Nearest stations: Swansea (1.3 mi) · Gowerton (3.9 mi) · Llansamlet (4.8 mi)
Nearest supermarkets: Liqun Chinese Supermarket (0.3 mi) · Oriental Express (0.3 mi) · Family Shopper (0.3 mi)
Straight-line distance from the postcode. Source: NaPTAN (DfT).
Who lives here
- Median age
- 28
- One-person households
- 43%
- Households with children
- 16%
- Households
- 6,203
Owned 36% · Social rent 18% · Private rent 46%
Census 2021 (ONS), for SA1 4.
Recorded crime trend
Recorded crimes per month in SA1 4 (May 24–Apr 26, average 104/month). Hover a point to read the count. Source: Police.uk street-level data.
Flood risk
No modelled flood risk is recorded for SA1 4NW 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 | DistrictSA1 | SectorSA1 4 | PostcodeSA1 4NW |
|---|---|---|---|
| Average sold price | £165,418 | £189,078 | £130,336 |
| Population | — | — | — |
| Deprivation decile (1 = most deprived) | — | — | — |
| Crimes recorded | 832 | 113 | — |
| Schools | 19 | — | — |
| Flood risk | — | — | Low |
| Gigabit broadband | 88% | 90% | 100% |
| Superfast broadband | 97% | 99% | 100% |
— = no separate figure is published at that level. Most open data is published down to the sector (SA1 4); 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 1 July 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.