Back Street - SG18 8JA
Key Postcode Insights
SG18 8JA is a residential postcode situated on Back Street, Biggleswade, SG18 with 38 addresses.
It ranks as the 629th largest and 22nd most expensive of the 718 postcodes in the SG18 area. The most common property type is a modern flat built after 1980.
The postcode contains a total of 38 properties: 19 houses and 19 flats.
- Ave. Sale Price
- £194,460
- 10 Year change
- up 23.9%
- Ave. Rental Price
- £1,011pcm
- 10 Year change
- up 49.5%
- Ave. £ per ft²
- £386/ft²
- Ave. Gross Yield
- 6.2%/year/yr
Key Postcode Insights
SG18 8JA is a residential postcode situated on Back Street, Biggleswade, SG18 with 38 addresses.
It ranks as the 629th largest and 22nd most expensive of the 718 postcodes in the SG18 area. The most common property type is a modern flat built after 1980.
The postcode contains a total of 38 properties: 19 houses and 19 flats.
- Ave. Sale Price
- £194,460
- 10 Year change
- up 23.9%
- Ave. Rental Price
- £1,011pcm
- 10 Year change
- up 49.5%
- Ave. £ per ft²
- £386/ft²
- Ave. Gross Yield
- 6.2%/year/yr
Explore Propertiesin SG18 8JA
- Allwood
2 Bed Mid-century House
- Cavendish Court
Modern Building | 12 Units
- 1 Back Street
2 Bed Mid-century House
- 2 Back Street
3 Bed Mid-century House
- 3 Back Street
2 Bed Mid-century House
Sales Market Trends
The last sale in SG18 8JA sold for £172,000 on 20th August 2025. Since then prices are up an average of 0.1%.
The current average value in the postcode is £194,460.
The SG18 8JA Sales Market has increased by 23.9% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 1.1% | £194,460 |
| June 2025 | -1% | £192,356 |
| June 2024 | -0.6% | £194,339 |
| June 2023 | -0.8% | £195,607 |
| June 2022 | 7.3% | £197,129 |
| June 2021 | 5.6% | £183,668 |
| June 2020 | 0.2% | £173,991 |
| June 2019 | -2.1% | £173,692 |
| June 2018 | 3.9% | £177,425 |
| June 2017 | 8.8% | £170,756 |
| June 2016 | 15.3% | £156,888 |
| June 2015 | 9.8% | £136,071 |
| June 2014 | 10.6% | £123,932 |
| June 2013 | 0.7% | £112,063 |
| June 2012 | -0.2% | £111,314 |
| June 2011 | 2.3% | £111,514 |
| June 2010 | 6.4% | £108,993 |
| June 2009 | -15.7% | £102,396 |
| June 2008 | -0.4% | £121,476 |
| June 2007 | 0% | £122,018 |
Rental Market Trends
The current average rental value in the postcode is £1,011.
The SG18 8JA Rental Market has increased by 49.5% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 3.1% | £1,011pcm |
| June 2025 | 6.6% | £980pcm |
| June 2024 | 7% | £920pcm |
| June 2023 | 9% | £860pcm |
| June 2022 | 7.2% | £788pcm |
| June 2021 | 4% | £736pcm |
| June 2020 | 1.6% | £708pcm |
| June 2019 | -0.1% | £697pcm |
| June 2018 | -1.6% | £697pcm |
| June 2017 | 4.8% | £709pcm |
| June 2016 | 7% | £676pcm |
| June 2015 | 6.5% | £632pcm |
| June 2014 | 5.9% | £594pcm |
| June 2013 | 2.3% | £560pcm |
| June 2012 | -0.5% | £548pcm |
| June 2011 | 3.9% | £550pcm |
| June 2010 | 2.3% | £530pcm |
| June 2009 | -7.2% | £517pcm |
| June 2008 | 2.6% | £558pcm |
| June 2007 | 0% | £544pcm |
Sales History
The last sale was on 20th August 2025 for £172,000 and since then the market in the area has increased by 0.1%. The postcode has had a total of 59 sales since 1995.
SG18 8JA has seen 3 sales in the last three years and 1 sale in the last twelve months.
- Sold Aug 2025£172,000 | 1 Bed Flat35 Cavendish Court, Back Street, Biggleswade, SG18 8JA35 Cavendish Court, Back Street, Biggleswade, SG18 8JA
- Sold Mar 2025£165,000 | 2 Bed Flat24, Back Street, Biggleswade, SG18 8JA24, Back Street, Biggleswade, SG18 8JA
- Sold Oct 2024£185,000 | 2 Bed Flat45 Cavendish Court, Back Street, Biggleswade, SG18 8JA45 Cavendish Court, Back Street, Biggleswade, SG18 8JA
- Sold Mar 2021£258,000 | 3 Bed House10, Back Street, Biggleswade, SG18 8JA10, Back Street, Biggleswade, SG18 8JA
- Sold Feb 2021£148,500 | 1 Bed Flat26, Back Street, Biggleswade, SG18 8JA26, Back Street, Biggleswade, SG18 8JA
Nearby Postcodes
SG18 8JA is the 629th largest and the 22nd most expensive postcode out of the 718 postcodes in the SG18 area.
- SG18 0LJ, High Street, Langford, Biggleswade, SG18SG18 0LJ24 Addresses|50 m away
- SG18 0LA, High Street, Langford, Biggleswade, SG18SG18 0LA14 Addresses|78 m away
- SG18 8AW, Station Road, Langford, Biggleswade, SG18SG18 8AW5 Addresses|92 m away
- SG18 8LG, Back Street, Biggleswade, SG18SG18 8LG24 Addresses|99 m away
- SG18 0LN, Crab Lane, Biggleswade, SG18SG18 0LN1 Addresses|121 m away
Property Types
- 1 period house built between 1800 and 1911
- 1 modern house built after 1980
- 18 modern flats built after 1980
- 14 mid-century houses built between 1936 and 1979
- 1 mid-century flat built between 1936 and 1979
- 1 house of an unknown age
- 2 other addresses of unknown type
- period house (1)
- modern house (1)
- modern flat (18)
- mid-century house (14)
- mid-century flat (1)
- house (1)
- Unknown (2)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 33 properties.
- The most common rating is C.
- A (0)
- E (1)
- B (1)
- F (0)
- C (19)
- G (0)
- D (12)
- No EPC (5)
Top 3 Most Expensive Sales
- Sold Mar 2021£258,000 | 3 Bed House10, Back Street, Biggleswade, SG18 8JA10, Back Street, Biggleswade, SG18 8JA
- Sold Aug 2018£200,000 | 3 Bed House32, Back Street, Biggleswade, SG18 8JA32, Back Street, Biggleswade, SG18 8JA
- Sold Oct 2024£185,000 | 2 Bed Flat45 Cavendish Court, Back Street, Biggleswade, SG18 8JA45 Cavendish Court, Back Street, Biggleswade, SG18 8JA
Schools Nearby
- Lawnside Academy400 m away
- St Andrew's CofE VC Primary School600 m away
- Biggleswade Academy800 m away
- Stratton School700 m away
- Edward Peake CofE VC School1.4 km away
- Sandy Secondary School6.1 km away
More reading links
Public Transport Nearby
The closest station to SG18 8JA is Biggleswade station, which is 200 metres away.
- Biggleswade|200 m away
- Sandy|4.5 km away
- Arlesey|6.7 km away
- Baldock|11.5 km away
