House prices in Alltwen
Median value — November 2026
£235,500
Modelled from 508 properties Stede tracks in Alltwen
Market snapshot
£235,500
Median value
£256,215
Average value
15
Sales in the last 12 months
unchanged
Change over the past year
Value over time
- Modelled value
- Projected
Modelled month by month from the UK House Price Index, averaged across every property type Stede tracks here.
View as a table
| Year | Modelled value |
|---|---|
| 2000 | £59,107 |
| 2001 | £62,866 |
| 2002 | £75,446 |
| 2003 | £99,098 |
| 2004 | £122,474 |
| 2005 | £139,553 |
| 2006 | £150,045 |
| 2007 | £166,218 |
| 2008 | £159,216 |
| 2009 | £141,624 |
| 2010 | £136,516 |
| 2011 | £135,733 |
| 2012 | £135,040 |
| 2013 | £139,334 |
| 2014 | £141,172 |
| 2015 | £146,804 |
| 2016 | £151,683 |
| 2017 | £156,857 |
| 2018 | £161,760 |
| 2019 | £167,789 |
| 2020 | £178,771 |
| 2021 | £205,390 |
| 2022 | £215,527 |
| 2023 | £215,255 |
| 2024 | £218,912 |
| 2025 | £232,844 |
| 2026 | £235,500 |
Property types
- Detached house44%£319,000
- Semi-detached house43%£206,000
- Mid-terrace house12%£171,500
- Flat / Maisonette0%£58,000
Recent sales
- 169 Bryn Morgrug, Alltwen, Swansea, Neath Port Talbot, SA8 3DP£290,000 · 2026£304,000
- 69 Lon Hir, Alltwen, Swansea, Lliw Valley, West Glamorgan, SA8 3DE£144,000 · 2026£168,000
- 70 Dyffryn Road, Alltwen, Swansea, Neath Port Talbot, SA8 3BY£240,000 · 2026£255,000
- 20 Ynys Y Mond Road, Alltwen, Swansea, Neath Port Talbot, SA8 3BA£145,000 · 2026£172,000
- 11 Clos Gelli Wen, Alltwen, Swansea, Neath Port Talbot, SA8 3DF£92,500 · 2026£118,000
- 27 Derwen Road, Alltwen, Swansea, Neath Port Talbot, SA8 3AU£280,000 · 2026£309,000
- 63 Pen Yr Alltwen, Alltwen, Swansea, Neath Port Talbot, SA8 3EA£375,000 · 2026£395,000
- 60 Dyffryn Road, Alltwen, Swansea, Neath Port Talbot, SA8 3BY£265,000 · 2026£297,000
Addresses in Alltwen
- 1 Alltwen Chwyth, Alltwen, Swansea, Neath Port Talbot, SA8 3BW£115,000 · 2018£181,000
- 1 Bryn Golau, Alltwen, Swansea, Neath Port Talbot, SA8 3AF£198,000 · 2021£276,000
- 1 Bryn Morgrug, Alltwen, Swansea, Neath Port Talbot, SA8 3DG£75,000 · 2021£145,000
- 1 Clos Gelli Wen, Alltwen, Swansea, Neath Port Talbot, SA8 3DF£216,000 · 2020£318,000
- 1 Derwen Road, Alltwen, Swansea, Neath Port Talbot, SA8 3AU£147,950 · 2016£239,000
- 1 Heol Penrhiwiau, Alltwen, Swansea, Neath Port Talbot, SA8 3AW£115,500 · 2018£200,000
- 1 Heol Phillip, Alltwen, Swansea, Neath Port Talbot, SA8 3AX£150,000 · 2024£184,000
- 1 Heol Y Parc, Alltwen, Swansea, Neath Port Talbot, SA8 3BN£85,000 · 2004£286,000
- 1 Ynys Y Mond Road, Alltwen, Swansea, Lliw Valley, West Glamorgan, SA8 3BA£56,000 · 1995£266,000
- 10 Brondeg Lane, Alltwen, Swansea, Neath Port Talbot, SA8 3AE£58,000 · 1999£242,000
- 10 Derwen Road, Alltwen, Swansea, SA8 3AU£95,000 · 2015£194,000
- 10 Heol Glynderwen, Alltwen, Swansea, Neath Port Talbot, SA8 3AT£120,000 · 2018£207,000
- 10 Lon Hir, Alltwen, Swansea, Neath Port Talbot, SA8 3DQ£180,000 · 2026£186,000
- 10 Ynys Y Mond Road, Alltwen, Swansea, Neath Port Talbot, SA8 3BA£190,000 · 2019£274,000
- 100 Bryn Morgrug, Alltwen, Swansea, Neath Port Talbot, SA8 3DP£192,000 · 2015£305,000
- 101 Bryn Morgrug, Alltwen, Swansea, Neath Port Talbot, SA8 3DP£245,000 · 2020£332,000
- 102 Bryn Morgrug, Alltwen, Swansea, Neath Port Talbot, SA8 3DP£217,000 · 2016£334,000
- 103 Bryn Morgrug, Alltwen, Swansea, Neath Port Talbot, SA8 3DP£209,995 · 2013£342,000
- 104 Bryn Morgrug, Alltwen, Swansea, Neath Port Talbot, SA8 3DP£234,995 · 2015£354,000
- 104 Lon Tanyrallt, Alltwen, Swansea, Neath Port Talbot, SA8 3AS£52,000 · 2005£145,000
- 105 Bryn Morgrug, Alltwen, Swansea, Neath Port Talbot, SA8 3DP£195,995 · 2013£325,000
- 106 Bryn Morgrug, Alltwen, Swansea, Neath Port Talbot, SA8 3DP£238,000 · 2015£361,000
- 107 Bryn Morgrug, Alltwen, Swansea, Neath Port Talbot, SA8 3DP£192,000 · 2016£323,000
- 108 Bryn Morgrug, Alltwen, Swansea, Neath Port Talbot, SA8 3DP£184,000 · 2018£284,000
- 109 Bryn Morgrug, Alltwen, Swansea, Neath Port Talbot, SA8 3DP£186,995 · 2013£315,000
- 11 Clos Gelli Wen, Alltwen, Swansea, Neath Port Talbot, SA8 3DF£92,500 · 2026£118,000
- 11 Heol Y Parc, Alltwen, Swansea, Neath Port Talbot, SA8 3BN£50,000 · 2001£198,000
- 11 Lon Y Wern, Alltwen, Swansea, Neath Port Talbot, SA8 3BJ£136,500 · 2023£197,000
- 11 Ynys Y Mond Road, Alltwen, Swansea, Neath Port Talbot, SA8 3BA£167,500 · 2006£325,000
- 110 Bryn Morgrug, Alltwen, Swansea, Neath Port Talbot, SA8 3DP£191,400 · 2015£308,000
- 110 Lon Tanyrallt, Alltwen, Swansea, Neath Port Talbot, SA8 3AS£113,500 · 2022£135,000
- 111 Bryn Morgrug, Alltwen, Swansea, Neath Port Talbot, SA8 3DP£185,000 · 2013£315,000
- 112 Bryn Morgrug, Alltwen, Swansea, Neath Port Talbot, SA8 3DP£278,000 · 2025£310,000
- 113 Bryn Morgrug, Alltwen, Swansea, Neath Port Talbot, SA8 3DP£334,000 · 2025£360,000
- 114 Bryn Morgrug, Alltwen, Swansea, Neath Port Talbot, SA8 3DP£190,000 · 2015£302,000
- 114 Lon Tanyrallt, Alltwen, Swansea, Neath Port Talbot, SA8 3AS£45,000 · 2011£122,000
- 115 Bryn Morgrug, Alltwen, Swansea, Neath Port Talbot, SA8 3DP£187,500 · 2020£263,000
- 116 Bryn Morgrug, Alltwen, Swansea, Neath Port Talbot, SA8 3DP£194,000 · 2015£305,000
- 117 Bryn Morgrug, Alltwen, Swansea, Neath Port Talbot, SA8 3DP£220,500 · 2021£282,000
- 118 Bryn Morgrug, Alltwen, Swansea, Neath Port Talbot, SA8 3DP£222,995 · 2015£338,000
- 118 Lon Tanyrallt, Alltwen, Swansea, Neath Port Talbot, SA8 3AS£65,500 · 2011£141,000
- 119 Bryn Morgrug, Alltwen, Swansea, Neath Port Talbot, SA8 3DP£180,000 · 2013£310,000
- 12 Bryn Morgrug, Alltwen, Swansea, Neath Port Talbot, SA8 3DG£47,500 · 2002£182,000
- 12 Clos Gelli Wen, Alltwen, Swansea, Neath Port Talbot, SA8 3DF£220,000 · 2024£227,000
- 12 Edward Street, Alltwen, Swansea, Neath Port Talbot, SA8 3DB£125,000 · 2007£201,000
- 12 Lon Tanyrallt, Alltwen, Swansea, Neath Port Talbot, SA8 3AR£74,995 · 2019£146,000
- 12 Ynys Y Mond Road, Alltwen, Swansea, Neath Port Talbot, SA8 3BA£260,000 · 2025£280,000
- 120 Bryn Morgrug, Alltwen, Swansea, Neath Port Talbot, SA8 3DP£222,995 · 2015£340,000
- 121 Bryn Morgrug, Alltwen, Swansea, Neath Port Talbot, SA8 3DP£287,500 · 2025£309,000
- 122 Bryn Morgrug, Alltwen, Swansea, Neath Port Talbot, SA8 3DP£292,000 · 2024£326,000
About this area
Alltwen, in Swansea, is a village. Stede can model 508 properties there, from HM Land Registry Price Paid Data and the UK House Price Index.
As of November 2026, Alltwen has a median estimated value of £235,500 and an average of £256,215.
Modelled values in Alltwen are unchanged over the past year and +16% over five years.
The market here is mostly detached houses, which make up 44% of the properties Stede tracks in Alltwen.
15 sales were recorded in Alltwen over the past 12 months.
Common questions
What is the average house price in Alltwen?
As of November 2026, the average estimated value is £256,215 and the median is £235,500 across 508 properties Stede tracks in Alltwen. This is not a formal market valuation.
Are house prices in Alltwen going up or down?
Modelled values in Alltwen are unchanged over the past year and +16% over five years, based on the UK House Price Index.
What types of property are in Alltwen?
44% of the properties Stede tracks in Alltwen are detached houses. semi-detached houses are next most common, at 43%.
How many properties are in Alltwen?
Stede can model 508 properties in Alltwen, with 15 recorded sales in the past 12 months.
How does Stede calculate house prices for Alltwen?
These figures are modelled from HM Land Registry Price Paid Data and the UK House Price Index — the same sources used for every individual property valuation on Stede. Full detail is on the methodology page.
How we calculate this
These figures are modelled from HM Land Registry Price Paid Data and the UK House Price Index — the same sources behind every individual property valuation on Stede.
Read the full methodology and data sources →