Belfast Avenue - SL1 3HL
Key Postcode Insights
SL1 3HL is a residential postcode situated on Belfast Avenue, Slough, SL1 with 37 addresses.
It ranks as the 1192nd largest and 946th most expensive of the 1,426 postcodes in the SL1 area. The most common property type is a mid-century house built between 1936 and 1979.
The postcode contains a total of 37 properties: 37 houses.
- Ave. Sale Price
- £431,594
- 10 Year change
- up 17.8%
- Ave. Rental Price
- £2,266pcm
- 10 Year change
- up 52.6%
- Ave. £ per ft²
- £485/ft²
- Ave. Gross Yield
- 6.3%/year/yr
Key Postcode Insights
SL1 3HL is a residential postcode situated on Belfast Avenue, Slough, SL1 with 37 addresses.
It ranks as the 1192nd largest and 946th most expensive of the 1,426 postcodes in the SL1 area. The most common property type is a mid-century house built between 1936 and 1979.
The postcode contains a total of 37 properties: 37 houses.
- Ave. Sale Price
- £431,594
- 10 Year change
- up 17.8%
- Ave. Rental Price
- £2,266pcm
- 10 Year change
- up 52.6%
- Ave. £ per ft²
- £485/ft²
- Ave. Gross Yield
- 6.3%/year/yr
Explore Propertiesin SL1 3HL
- 2 Belfast Avenue
House
- 4 Belfast Avenue
3 Bed Mid-century House
- 6 Belfast Avenue
3 Bed Mid-century House
- 8 Belfast Avenue
4 Bed House
- 10 Belfast Avenue
House
Sales Market Trends
The last sale in SL1 3HL sold for £400,000 on 25th March 2026. Since then prices are up an average of 1.3%.
The current average value in the postcode is £431,594.
The SL1 3HL Sales Market has increased by 17.8% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -0.9% | £431,594 |
| June 2025 | 1.9% | £435,576 |
| June 2024 | -1.7% | £427,408 |
| June 2023 | 1.9% | £434,742 |
| June 2022 | 8.1% | £426,499 |
| June 2021 | 5.6% | £394,562 |
| June 2020 | -0.8% | £373,471 |
| June 2019 | 0.1% | £376,516 |
| June 2018 | -0.1% | £375,984 |
| June 2017 | 2.8% | £376,487 |
| June 2016 | 19.6% | £366,355 |
| June 2015 | 14.2% | £306,202 |
| June 2014 | 7.9% | £268,192 |
| June 2013 | 0.3% | £248,482 |
| June 2012 | 3.5% | £247,619 |
| June 2011 | 0.2% | £239,166 |
| June 2010 | 14.7% | £238,755 |
| June 2009 | -10.8% | £208,137 |
| June 2008 | -0.9% | £233,239 |
| June 2007 | 0% | £235,355 |
Rental Market Trends
The current average rental value in the postcode is £2,266.
The SL1 3HL Rental Market has increased by 52.6% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 2.2% | £2,266pcm |
| June 2025 | 4.6% | £2,218pcm |
| June 2024 | 7.9% | £2,120pcm |
| June 2023 | 13.9% | £1,965pcm |
| June 2022 | 9% | £1,725pcm |
| June 2021 | 3% | £1,582pcm |
| June 2020 | 2.3% | £1,535pcm |
| June 2019 | 1% | £1,501pcm |
| June 2018 | -0.4% | £1,487pcm |
| June 2017 | 0.6% | £1,493pcm |
| June 2016 | 4.7% | £1,485pcm |
| June 2015 | 4.8% | £1,417pcm |
| June 2014 | 6.8% | £1,352pcm |
| June 2013 | 3.1% | £1,266pcm |
| June 2012 | 2.8% | £1,227pcm |
| June 2011 | 7.6% | £1,193pcm |
| June 2010 | 3.8% | £1,109pcm |
| June 2009 | -2.8% | £1,068pcm |
| June 2008 | 1.7% | £1,099pcm |
| June 2007 | 0% | £1,081pcm |
Sales History
The last sale was on 25th March 2026 for £400,000 and since then the market in the area has increased by 1.3%. The postcode has had a total of 24 sales since 1995.
SL1 3HL has seen 2 sales in the last three years and 1 sale in the last twelve months.
- Sold Mar 2026£400,000 | 3 Bed House72, Belfast Avenue, Slough, SL1 3HL72, Belfast Avenue, Slough, SL1 3HL
- Sold Oct 2023£437,500 | 3 Bed House26A, Belfast Avenue, Slough, SL1 3HL26A, Belfast Avenue, Slough, SL1 3HL
- Sold Jan 2017£380,000 | 3 Bed House60, Belfast Avenue, Slough, SL1 3HL60, Belfast Avenue, Slough, SL1 3HL
- Sold Jun 2015£350,000 | 4 Bed House8, Belfast Avenue, Slough, SL1 3HL8, Belfast Avenue, Slough, SL1 3HL
- Sold Jul 2014£250,000 | 3 Bed House26, Belfast Avenue, Slough, SL1 3HL26, Belfast Avenue, Slough, SL1 3HL
Nearby Postcodes
SL1 3HL is the 1192nd largest and the 946th most expensive postcode out of the 1,426 postcodes in the SL1 area.
- SL1 3HN, Oatlands Drive, Slough, SL1SL1 3HN24 Addresses|84 m away
- SL1 3HE, Belfast Avenue, Slough, SL1SL1 3HE22 Addresses|86 m away
- SL1 3HW, York Avenue, Slough, SL1SL1 3HW36 Addresses|101 m away
- SL1 3HF, Belfast Avenue, Slough, SL1SL1 3HF31 Addresses|102 m away
- SL1 3HS, Oatlands Drive, Slough, SL1SL1 3HS1 Addresses|135 m away
Property Types
- 1 modern house built after 1980
- 9 mid-century houses built between 1936 and 1979
- 1 house of an unknown age
- 5 early-century houses built between 1912 and 1935
- 21 other addresses of unknown type
- modern house (1)
- mid-century house (9)
- house (1)
- early-century house (5)
- Unknown (21)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 15 properties.
- The most common rating is C.
- A (0)
- E (2)
- B (0)
- F (0)
- C (8)
- G (0)
- D (5)
- No EPC (22)
Top 3 Most Expensive Sales
- Sold Oct 2023£437,500 | 3 Bed House26A, Belfast Avenue, Slough, SL1 3HL26A, Belfast Avenue, Slough, SL1 3HL
- Sold Mar 2026£400,000 | 3 Bed House72, Belfast Avenue, Slough, SL1 3HL72, Belfast Avenue, Slough, SL1 3HL
- Sold Jan 2017£380,000 | 3 Bed House60, Belfast Avenue, Slough, SL1 3HL60, Belfast Avenue, Slough, SL1 3HL
Schools Nearby
- The Godolphin Junior Academy200 m away
- Phoenix Infant Academy300 m away
- James Elliman Academy900 m away
- Herschel Grammar School300 m away
- Baylis Court School400 m away
- Eden Girls' School, Slough1.2 km away
More reading links
Public Transport Nearby
The closest station to SL1 3HL is Slough station, which is 1.6 kilometres away.
- Slough|1.6 km away
- Burnham|2.6 km away
- Burnham (Buckinghamshire)|2.6 km away
- Windsor & Eton Riverside|4.0 km away
