Blackthorn Road - AL7 3JP
Key Postcode Insights
AL7 3JP is a residential postcode situated on Blackthorn Road, Welwyn Garden City, AL7 with 4 addresses.
It ranks as the 61st largest and 719th most expensive of the 785 postcodes in the AL7 area. The most common property type is a mid-century house built between 1936 and 1979.
The postcode contains a total of 4 properties: 4 houses.
- Ave. Sale Price
- £518,525
- 10 Year change
- up 13.2%
- Ave. Rental Price
- £1,977pcm
- 10 Year change
- up 56.1%
- Ave. £ per ft²
- £464/ft²
- Ave. Gross Yield
- 4.6%/year/yr
Key Postcode Insights
AL7 3JP is a residential postcode situated on Blackthorn Road, Welwyn Garden City, AL7 with 4 addresses.
It ranks as the 61st largest and 719th most expensive of the 785 postcodes in the AL7 area. The most common property type is a mid-century house built between 1936 and 1979.
The postcode contains a total of 4 properties: 4 houses.
- Ave. Sale Price
- £518,525
- 10 Year change
- up 13.2%
- Ave. Rental Price
- £1,977pcm
- 10 Year change
- up 56.1%
- Ave. £ per ft²
- £464/ft²
- Ave. Gross Yield
- 4.6%/year/yr
Explore Propertiesin AL7 3JP
- 1 Blackthorn Road
3 Bed Mid-century House
- 3 Blackthorn Road
4 Bed Early-century House
- 41 Blackthorn Road
4 Bed Mid-century House
- 43 Blackthorn Road
4 Bed Mid-century House
Sales Market Trends
The last sale in AL7 3JP sold for £575,000 on 17th December 2025. Since then prices are down an average of 1.2%.
The current average value in the postcode is £518,525.
The AL7 3JP Sales Market has increased by 13.2% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -1.4% | £518,525 |
| June 2025 | -1.6% | £526,034 |
| June 2024 | -2.5% | £534,616 |
| June 2023 | 2.9% | £548,356 |
| June 2022 | 6.3% | £532,766 |
| June 2021 | 6% | £501,331 |
| June 2020 | 3.1% | £473,148 |
| June 2019 | -1.5% | £459,047 |
| June 2018 | -1.8% | £465,946 |
| June 2017 | 3.5% | £474,261 |
| June 2016 | 14.8% | £458,075 |
| June 2015 | 12.3% | £399,120 |
| June 2014 | 14.8% | £355,421 |
| June 2013 | 3.9% | £309,494 |
| June 2012 | 1% | £297,769 |
| June 2011 | 1.2% | £294,955 |
| June 2010 | 14.5% | £291,343 |
| June 2009 | -10.4% | £254,466 |
| June 2008 | -2.8% | £283,864 |
| June 2007 | 0% | £292,000 |
Rental Market Trends
The current average rental value in the postcode is £1,977.
The AL7 3JP Rental Market has increased by 56.1% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 4.5% | £1,977pcm |
| June 2025 | 4.5% | £1,892pcm |
| June 2024 | 7.7% | £1,810pcm |
| June 2023 | 8.7% | £1,681pcm |
| June 2022 | 9.8% | £1,545pcm |
| June 2021 | 6.7% | £1,408pcm |
| June 2020 | 1.1% | £1,319pcm |
| June 2019 | 1.7% | £1,304pcm |
| June 2018 | 1.1% | £1,282pcm |
| June 2017 | 0.1% | £1,268pcm |
| June 2016 | 4.6% | £1,267pcm |
| June 2015 | 3.3% | £1,211pcm |
| June 2014 | 6% | £1,173pcm |
| June 2013 | 0.1% | £1,106pcm |
| June 2012 | 4% | £1,105pcm |
| June 2011 | 3.9% | £1,063pcm |
| June 2010 | 9.3% | £1,023pcm |
| June 2009 | -4.6% | £935pcm |
| June 2008 | 4.1% | £980pcm |
| June 2007 | 0% | £942pcm |
Sales History
The last sale was on 17th December 2025 for £575,000 and since then the market in the area has decreased by 1.2%. The postcode has had a total of 9 sales since 1995.
AL7 3JP has seen 1 sale in the last three years and 1 sale in the last twelve months.
- Sold Dec 2025£575,000 | 4 Bed House41, Blackthorn Road, Welwyn Garden City, AL7 3JP41, Blackthorn Road, Welwyn Garden City, AL7 3JP
- Sold Jul 2017£490,000 | 4 Bed House43, Blackthorn Road, Welwyn Garden City, AL7 3JP43, Blackthorn Road, Welwyn Garden City, AL7 3JP
- Sold Sep 2015£380,000 | 3 Bed House1, Blackthorn Road, Welwyn Garden City, AL7 3JP1, Blackthorn Road, Welwyn Garden City, AL7 3JP
- Sold Oct 2012£197,500 | 3 Bed House1, Blackthorn Road, Welwyn Garden City, AL7 3JP1, Blackthorn Road, Welwyn Garden City, AL7 3JP
- Sold Mar 2006£220,000 | 4 Bed House3, Blackthorn Road, Welwyn Garden City, AL7 3JP3, Blackthorn Road, Welwyn Garden City, AL7 3JP
Nearby Postcodes
AL7 3JP is the 61st largest and the 719th most expensive postcode out of the 785 postcodes in the AL7 area.
- AL7 3JS, Blackthorn Road, Welwyn Garden City, AL7AL7 3JS14 Addresses|38 m away
- AL7 3DX, Sweet Briar, Welwyn Garden City, AL7AL7 3DX6 Addresses|100 m away
- AL7 3JR, Blackthorn Road, Welwyn Garden City, AL7AL7 3JR8 Addresses|113 m away
- AL7 3JT, Lowerfield, Welwyn Garden City, AL7AL7 3JT49 Addresses|130 m away
- AL7 3ET, Heronswood Road, Welwyn Garden City, AL7AL7 3ET6 Addresses|136 m away
Property Types
- 3 mid-century houses built between 1936 and 1979
- 1 early-century house built between 1912 and 1935
- mid-century house (3)
- early-century house (1)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 4 properties.
- The most common rating is C.
- A (0)
- E (0)
- B (0)
- F (0)
- C (3)
- G (0)
- D (1)
- No EPC (0)
Top 3 Most Expensive Sales
- Sold Aug 2023£575,000 | 3 Bed House6, Blackthorn Road, Welwyn Garden City, AL7 3JS6, Blackthorn Road, Welwyn Garden City, AL7 3JS
- Sold Dec 2025£575,000 | 4 Bed House41, Blackthorn Road, Welwyn Garden City, AL7 3JP41, Blackthorn Road, Welwyn Garden City, AL7 3JP
- Sold Jan 2025£525,000 | 4 Bed House4, Blackthorn Road, Welwyn Garden City, AL7 3JS4, Blackthorn Road, Welwyn Garden City, AL7 3JS
Schools Nearby
- Swallow Dell Primary and Nursery School0 m away
- Holwell Primary School600 m away
- Panshanger Primary School800 m away
- Ridgeway Academy900 m away
- Stanborough School2.4 km away
- Monk's Walk School3.3 km away
More reading links
Public Transport Nearby
The closest station to AL7 3JP is Welwyn Garden City station, which is 1.4 kilometres away.
- Welwyn Garden City|1.4 km away
- Welwyn North|3.2 km away
- Hatfield (Herts)|4.0 km away
- Hertford North|6.5 km away
