SA1 4NN
UK › SA › SA1 › SA1 4
Property report — SA1 4NN
Open-data due diligence for SA1 4NN and the area around it.
SA1 4NN in brief: 61 recorded sales (£36,000–£290,000) · no modelled flood risk.
What scope is each figure? Sold sales, broadband and flood risk are for SA1 4NN 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 |
|---|---|---|---|
| 2025-11-05 | £175,000 | 74 ST HELENS AVENUE | Terraced |
| 2025-09-30 | £212,000 | 89 ST HELENS AVENUE | Terraced |
| 2025-08-20 | £162,000 | 94 ST HELENS AVENUE | Terraced |
| 2024-08-28 | £155,000 | 97 ST HELENS AVENUE | Terraced |
| 2024-07-05 | £160,000 | 79 ST HELENS AVENUE | Terraced |
| 2023-05-03 | £178,000 | 74 ST HELENS AVENUE | Terraced |
| 2022-09-05 | £136,000 | 101 ST HELENS AVENUE | Flat |
| 2022-08-13 | £250,000 | 87 ST HELENS AVENUE | Other |
| 2021-07-28 | £166,000 | 92 ST HELENS AVENUE | Terraced |
| 2020-11-13 | £145,000 | 75 ST HELENS AVENUE | Terraced |
| 2019-05-17 | £193,500 | 88A ST HELENS AVENUE | Detached |
| 2017-12-21 | £119,950 | 101 ST HELENS AVENUE | Flat |
| 2017-11-30 | £137,750 | 101 ST HELENS AVENUE | Flat |
| 2017-11-13 | £80,000 | 77A ST HELENS AVENUE | Flat |
| 2017-10-20 | £290,000 | FLAT 3, GABRIEL LOFTS, 70 ST HELENS AVENUE | Other |
| 2017-10-19 | £87,000 | 67 ST HELENS AVENUE | Other |
| 2017-09-13 | £40,000 | GARAGE AT THE BACK OF, 106 ST HELENS AVENUE | Other |
| 2017-03-16 | £95,000 | 77 ST HELENS AVENUE | Flat |
| 2016-06-24 | £195,000 | 83 ST HELENS AVENUE | Terraced |
| 2015-08-28 | £105,000 | 82 ST HELENS AVENUE | Terraced |
| 2015-08-06 | £138,000 | 83 ST HELENS AVENUE | Terraced |
| 2015-07-31 | £90,000 | 76B ST HELENS AVENUE | Other |
| 2015-05-08 | £159,200 | 76 ST HELENS AVENUE | Terraced |
| 2015-01-27 | £152,000 | 78 ST HELENS AVENUE | Terraced |
| 2014-08-11 | £149,000 | 89 ST HELENS AVENUE | Terraced |
| 2014-05-30 | £215,000 | 101 ST HELENS AVENUE | Terraced |
| 2014-05-12 | £95,000 | 77 ST HELENS AVENUE | Flat |
| 2014-05-12 | £80,000 | 77A ST HELENS AVENUE | Flat |
| 2014-03-21 | £153,000 | 73 ST HELENS AVENUE | Terraced |
| 2013-10-08 | £40,000 | 80B ST HELENS AVENUE | Flat |
| 2013-07-01 | £140,000 | 86 ST HELENS AVENUE | Terraced |
| 2012-07-12 | £140,000 | 81 ST HELENS AVENUE | Terraced |
| 2011-12-16 | £132,500 | 91 ST HELENS AVENUE | Terraced |
| 2011-05-11 | £130,000 | 95 ST HELENS AVENUE | Terraced |
| 2010-01-08 | £116,800 | 75 ST HELENS AVENUE | Terraced |
| 2009-12-22 | £137,500 | 100 ST HELENS AVENUE | Terraced |
| 2009-03-19 | £134,000 | 79 ST HELENS AVENUE | Terraced |
| 2008-08-18 | £148,000 | 89 ST HELENS AVENUE | Terraced |
| 2008-07-31 | £158,000 | 83 ST HELENS AVENUE | Terraced |
| 2008-05-09 | £120,000 | 82 ST HELENS AVENUE | Terraced |
| 2007-12-11 | £195,000 | 88A ST HELENS AVENUE | Detached |
| 2007-11-01 | £165,000 | 80 ST HELENS AVENUE | Terraced |
| 2005-10-18 | £100,000 | 77 ST HELENS AVENUE | Terraced |
| 2005-01-14 | £150,000 | 74 ST HELENS AVENUE | Terraced |
| 2003-03-27 | £87,500 | 74 ST HELENS AVENUE | Terraced |
| 2002-08-02 | £46,000 | 77A ST HELENS AVENUE | Terraced |
| 2002-04-15 | £55,000 | 85 ST HELENS AVENUE | Terraced |
| 2002-01-18 | £51,750 | 77 ST HELENS AVENUE | Terraced |
| 2001-11-12 | £41,500 | 93 ST HELENS AVENUE | Terraced |
| 2001-08-17 | £76,000 | 73 ST HELENS AVENUE | Terraced |
| 2000-03-09 | £62,000 | 73 ST HELENS AVENUE | Terraced |
| 2000-01-20 | £44,500 | 77 ST HELENS AVENUE | Terraced |
| 1999-12-10 | £69,950 | 83 ST HELENS AVENUE | Terraced |
| 1999-04-23 | £43,250 | 78 ST HELENS AVENUE | Terraced |
| 1999-01-29 | £51,000 | 95 ST HELENS AVENUE | Terraced |
| 1998-07-01 | £50,000 | 86 ST HELENS AVENUE | Terraced |
| 1997-09-15 | £55,000 | 74 ST HELENS AVENUE | Terraced |
| 1997-05-13 | £36,000 | 89 ST HELENS AVENUE | Terraced |
| 1997-04-14 | £55,000 | 75 ST HELENS AVENUE | Terraced |
| 1996-09-30 | £50,950 | 96 ST HELENS AVENUE | Terraced |
| 1995-07-07 | £51,000 | 79 ST HELENS AVENUE | Terraced |
61 recorded sales on SA1 4NN. 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 (1.2 mi) · Gowerton (4.0 mi) · Llansamlet (4.7 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 4NN 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 4NN |
|---|---|---|---|
| Average sold price | £165,418 | £189,078 | £118,797 |
| Population | — | — | — |
| Deprivation decile (1 = most deprived) | — | — | — |
| Crimes recorded | 832 | 113 | — |
| Schools | 19 | — | — |
| Flood risk | — | — | Low |
| Gigabit broadband | 88% | 90% | 98% |
| Superfast broadband | 97% | 99% | 98% |
— = 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.
View the title document at HM Land Registry →Compare conveyancing quotes
You've done the research — now the legal bit. Compare quotes from SRA/CLC-regulated conveyancers for SA1 4NN.
Compare conveyancing quotes →Compare removals quotes
Moving home? Get no-obligation quotes from removals firms for your move.
Compare removals quotes →We may earn a referral fee if you use our conveyancing or removals links. It never changes your price, and you are always free to choose your own provider.
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.