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Bricks&Logic is a trading name of Urban Markets Ltd
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VAT No. GB 287 0845 68
Registered Address: 2 Leman St, London E1 8FA
SA1 4NQHouse Prices / Wales, Swansea, St. Helens Avenue
Last updated May 2026
Key Postcode Insights
SA1 4NQ is a residential postcode situated on St. Helens Avenue, Swansea, SA1 with 36 addresses.
It ranks as the 1338th largest and 1422nd most expensive of the 1,821 postcodes in the SA1 area. The dominant property type is a period house built between 1800 and 1911.
The postcode contains a total of 36 properties: 30 houses, 5 flats and 1 other property.
36
Properties
- Houses
- Flats
- Other (unknown)
Key Postcode Insights
SA1 4NQ is a residential postcode situated on St. Helens Avenue, Swansea, SA1 with 36 addresses.
It ranks as the 1338th largest and 1422nd most expensive of the 1,821 postcodes in the SA1 area. The dominant property type is a period house built between 1800 and 1911.
The postcode contains a total of 36 properties: 30 houses, 5 flats and 1 other property.
36
Properties
- Houses
- Flats
- Other (unknown)
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House Pricesin SA1 4NQ
Sale prices range from £120,493 for 1 bedroom Leasehold flats (419 ft2) to £218,115 for 4 bedroom freehold houses with a garden (1,474 ft2) .
Monthly rental prices range from £633 pcm for 1 bed flats to £992 pcm for 4 bed houses.
The gross rental yield is between 5.4% and 6.4%.
The average value per square foot is £159.
Average Sale Value
£180,866
Average Rental Value
£890 pcm
Average Rental Yield
5.9% /year
Average Value Per Sqft
£159 /ft2
Sales Market Trendsin SA1 4NQ
The last sale in SA1 4NQ sold for £244,000 on 15th January 2026. Since then prices are up an average of 1.7%.
The current average value in the postcode is £180,866.
The SA1 4NQ Sales Market has increased by 45.0% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| April 2026 | 2.4% | £180,866 |
| April 2025 | 3.5% | £176,631 |
| April 2024 | 1.8% | £170,613 |
| April 2023 | 2.9% | £167,549 |
| April 2022 | 11.6% | £162,903 |
| April 2021 | 6% | £146,014 |
| April 2020 | 2% | £137,745 |
| April 2019 | 2.2% | £135,084 |
| April 2018 | 3.5% | £132,230 |
| April 2017 | 2.4% | £127,780 |
| April 2016 | 0.8% | £124,749 |
| April 2015 | 2.6% | £123,715 |
| April 2014 | 3.9% | £120,530 |
| April 2013 | 0.3% | £116,048 |
| April 2012 | -5.7% | £115,754 |
| April 2011 | -3.3% | £122,787 |
| April 2010 | 3.5% | £126,976 |
| April 2009 | -10.6% | £122,624 |
| April 2008 | -1.3% | £137,215 |
| April 2007 | 0% | £139,054 |
Rental Market Trendsin SA1 4NQ
The current average rental value in the postcode is £890.
The SA1 4NQ Rental Market has increased by 59.4% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| April 2026 | 3.9% | £890pcm |
| April 2025 | 4.1% | £856pcm |
| April 2024 | 7.4% | £823pcm |
| April 2023 | 7.7% | £766pcm |
| April 2022 | 13.3% | £711pcm |
| April 2021 | 6.2% | £627pcm |
| April 2020 | 2.7% | £591pcm |
| April 2019 | 0.5% | £575pcm |
| April 2018 | 0.7% | £572pcm |
| April 2017 | 1.7% | £568pcm |
| April 2016 | 1.9% | £558pcm |
| April 2015 | 1.7% | £548pcm |
| April 2014 | 1% | £539pcm |
| April 2013 | 0.4% | £534pcm |
| April 2012 | 0.7% | £531pcm |
| April 2011 | -1.2% | £528pcm |
| April 2010 | -0.2% | £534pcm |
| April 2009 | -6.4% | £535pcm |
| April 2008 | 4.9% | £572pcm |
| April 2007 | 0% | £545pcm |
Properties and Buildingsin SA1 4NQ, St. Helens Avenue, Swansea, SA1
- 141, St. Helens Avenue, Swansea, SA1Building2 units
- 142, St. Helens Avenue, Swansea, SA1 4NQ3 bed period house
- 143, St. Helens Avenue, Swansea, SA1Building2 units
- 144, St. Helens Avenue, Swansea, SA1 4NQ4 bed period house
- 145, St. Helens Avenue, Swansea, SA1 4NQ4 bed period house
- 146, St. Helens Avenue, Swansea, SA1 4NQ
- 147, St. Helens Avenue, Swansea, SA1 4NQ4 bed period house
- 148, St. Helens Avenue, Swansea, SA1 4NQ4 bed period house
- 149, St. Helens Avenue, Swansea, SA1 4NQ3 bed period house
- 150, St. Helens Avenue, Swansea, SA1 4NQ
- 151, St. Helens Avenue, Swansea, SA1 4NQ3 bed period house
- 152, St. Helens Avenue, Swansea, SA1 4NQ4 bed period house
- 153, St. Helens Avenue, Swansea, SA1 4NQ4 bed period house
- 154, St. Helens Avenue, Swansea, SA1 4NQ4 bed period house
- 155, St. Helens Avenue, Swansea, SA1 Period building2 units
- 156, St. Helens Avenue, Swansea, SA1 4NQ
- 157, St. Helens Avenue, Swansea, SA1 4NQ4 bed period house
- 158, St. Helens Avenue, Swansea, SA1 4NQ4 bed period house
- 159, St. Helens Avenue, Swansea, SA1 4NQ4 bed period house
- 160, St. Helens Avenue, Swansea, SA1 4NQ
- 161, St. Helens Avenue, Swansea, SA1 4NQ4 bed period house
- 162, St. Helens Avenue, Swansea, SA1 4NQ3 bed period house
- 163, St. Helens Avenue, Swansea, SA1 4NQ
- 164, St. Helens Avenue, Swansea, SA1 4NQ3 bed period house
- 165, St. Helens Avenue, Swansea, SA1 4NQ
- 166, St. Helens Avenue, Swansea, SA1 4NQ3 bed period house
- 167, St. Helens Avenue, Swansea, SA1 4NQ4 bed period house
- 168, St. Helens Avenue, Swansea, SA1 4NQ4 bed period house
- 169, St. Helens Avenue, Swansea, SA1 4NQ3 bed period house
- 170, St. Helens Avenue, Swansea, SA1 4NQ4 bed period house
- 171, St. Helens Avenue, Swansea, SA1 4NQ4 bed period house
- 172, St. Helens Avenue, Swansea, SA1 4NQ4 bed period house
- 173, St. Helens Avenue, Swansea, SA1 4NQ2 bed period flat
Sales Historyin SA1 4NQ
The last sale was on 15th January 2026 for £244,000 and since then the market in the area has increased by 1.7%. The postcode has had a total of 35 sales since 1995.
SA1 4NQ has seen 4 sales in the last three years and 1 sale in the last twelve months.
Sold Jan 2026£244,000 | 4 Bed HouseSt. Helens Avenue159, St. Helens Avenue, Swansea, SA1 4NQ
Sold May 2025£71,566 | 4 Bed HouseSt. Helens Avenue147, St. Helens Avenue, Swansea, SA1 4NQ
Sold Nov 2024£207,500 | 4 Bed HouseSt. Helens Avenue161, St. Helens Avenue, Swansea, SA1 4NQ
Sold Oct 2023£235,000 | 4 Bed HouseSt. Helens Avenue145, St. Helens Avenue, Swansea, SA1 4NQ
Sold May 2022£215,000 | 3 Bed HouseSt. Helens Avenue162, St. Helens Avenue, Swansea, SA1 4NQ
Sold Mar 2022£175,000 | 4 Bed HouseSt. Helens Avenue154, St. Helens Avenue, Swansea, SA1 4NQ
Sold Jun 2021£210,000 | 3 Bed HouseSt. Helens Avenue169, St. Helens Avenue, Swansea, SA1 4NQ
Sold Jul 2020£85,000 | 3 Bed HouseSt. Helens Avenue151, St. Helens Avenue, Swansea, SA1 4NQ
Sold Jun 2016£105,000 | 3 Bed HouseSt. Helens Avenue142, St. Helens Avenue, Swansea, SA1 4NQ
Sold Jul 2015£138,500 | 4 Bed HouseSt. Helens Avenue145, St. Helens Avenue, Swansea, SA1 4NQ
Sold Nov 2014£108,000 | 4 Bed HouseSt. Helens Avenue144, St. Helens Avenue, Swansea, SA1 4NQ
Sold Nov 2014£100,000 | 3 Bed HouseSt. Helens Avenue166, St. Helens Avenue, Swansea, SA1 4NQ
Sold Jul 2014£190,000 | 4 Bed HouseSt. Helens Avenue152, St. Helens Avenue, Swansea, SA1 4NQ
Sold Jan 2011£125,000 | 4 Bed HouseSt. Helens Avenue148, St. Helens Avenue, Swansea, SA1 4NQ
Sold Apr 2010£147,000 | 4 Bed HouseSt. Helens Avenue158, St. Helens Avenue, Swansea, SA1 4NQ
Sold Nov 2009£137,000 | 3 Bed HouseSt. Helens Avenue169, St. Helens Avenue, Swansea, SA1 4NQ
Sold Apr 2008£137,000 | 3 Bed HouseSt. Helens Avenue169, St. Helens Avenue, Swansea, SA1 4NQ
Sold Jul 2007£189,500 | 3 Bed HouseSt. Helens Avenue162, St. Helens Avenue, Swansea, SA1 4NQ
Sold Jul 2007£148,500 | 4 Bed HouseSt. Helens Avenue152, St. Helens Avenue, Swansea, SA1 4NQ
Sold Sep 2006£147,500 | 4 Bed HouseSt. Helens Avenue159, St. Helens Avenue, Swansea, SA1 4NQ
Sold Mar 2006£80,000 | 3 Bed HouseSt. Helens Avenue149, St. Helens Avenue, Swansea, SA1 4NQ
Sold Feb 2006£220,000 | 4 Bed HouseSt. Helens Avenue154, St. Helens Avenue, Swansea, SA1 4NQ
Sold Oct 2005£133,000 | 4 Bed HouseSt. Helens Avenue168, St. Helens Avenue, Swansea, SA1 4NQ
Sold Feb 2005£100,000 | 4 Bed HouseSt. Helens Avenue167, St. Helens Avenue, Swansea, SA1 4NQ
Sold Oct 2003£104,000 | 3 Bed HouseSt. Helens Avenue155, St. Helens Avenue, Swansea, SA1 4NQ
Sold Mar 2002£59,000 | 3 Bed HouseSt. Helens Avenue150, St. Helens Avenue, Swansea, SA1 4NQ
Sold Feb 2002£70,000 | 3 Bed HouseSt. Helens Avenue169, St. Helens Avenue, Swansea, SA1 4NQ
Sold Aug 2001£38,500 | 3 Bed HouseSt. Helens Avenue150, St. Helens Avenue, Swansea, SA1 4NQ
Sold Aug 1999£66,500 | 4 Bed HouseSt. Helens Avenue161, St. Helens Avenue, Swansea, SA1 4NQ
Sold Sep 1998£56,300 | 3 Bed HouseSt. Helens Avenue162, St. Helens Avenue, Swansea, SA1 4NQ
Sold May 1998£54,000 | 3 Bed HouseSt. Helens Avenue165, St. Helens Avenue, Swansea, SA1 4NQ
Sold Apr 1997£45,263 | 4 Bed HouseSt. Helens Avenue158, St. Helens Avenue, Swansea, SA1 4NQ
Sold Dec 1996£38,500 | 4 Bed HouseSt. Helens Avenue172, St. Helens Avenue, Swansea, SA1 4NQ
Sold Sep 1995£45,000 | 4 Bed HouseSt. Helens Avenue170, St. Helens Avenue, Swansea, SA1 4NQ
Sold Apr 1995£51,000 | 3 Bed HouseSt. Helens Avenue165, St. Helens Avenue, Swansea, SA1 4NQ
Nearby Postcodesto SA1 4NQ
SA1 4NQ is the 1338th largest and the 1422nd most expensive postcode out of the 1,821 postcodes in the SA1 area.
- 11 mSA1 4LZ, St. Helens Avenue, Swansea, SA1SA1 4LZ1 Addresses
- 30 mSA1 4NF, St. Helens Avenue, Swansea, SA1SA1 4NF41 Addresses
- 56 mSA1 4LL, King Edward's Road, Swansea, SA1SA1 4LL24 Addresses
- 63 mSA1 4NT, Francis Street, Swansea, SA1SA1 4NT8 Addresses
- 86 mSA1 4NH, Francis Street, Swansea, SA1SA1 4NH10 Addresses
- 112 mSA1 4NP, Francis Street, Swansea, SA1SA1 4NP19 Addresses
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Property Typesin SA1 4NQ
- 23 period houses built between 1800 and 1911
- 7 period flats built between 1800 and 1911
- 6 other addresses of unknown type
- period house (23)
- period flat (7)
- Unknown (6)
Energy Efficiencyof properties in SA1 4NQ
- Energy Performance Certificate (EPC) surveys conducted for 25 properties.
- The dominant rating is D.
- A (0)
- E (3)
- B (0)
- F (0)
- C (6)
- G (0)
- D (16)
- No EPC (10)
Top 3 Most Expensive Saleson St. Helens Avenue
- Sold Oct 2017£290,000 | 2 Bed FlatGabriel Lofts 70, St. Helens AvenueFlat 3, Gabriel Lofts 70, St. Helens Avenue, Swansea, SA1 4NN
- Sold Jul 2025£285,000 | 4 Bed HouseSt. Helens Avenue5, St. Helens Avenue, Swansea, SA1 4ND
- Sold Dec 2021£253,000 | 4 Bed HouseSt. Helens Avenue1, St. Helens Avenue, Swansea, SA1 4ND
Schools Nearbyto SA1 4NQ
Public Transport Nearbyto SA1 4NQ
The closest station to SA1 4NQ is Swansea station which is 1.8 kilometres away.
- 1.8kmSwansea
- 6.4kmGowerton
- 7.4kmLlansamlet
- 9.5kmSkewen
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