Sweet Briar - AL7 3DU
Key Postcode Insights
AL7 3DU is a residential postcode situated on Sweet Briar, Welwyn Garden City, AL7 with 31 addresses.
It ranks as the 618th largest and 598th 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 31 properties: 31 houses.
- Ave. Sale Price
- £445,694
- 10 Year change
- up 13.2%
- Ave. Rental Price
- £1,823pcm
- 10 Year change
- up 56.1%
- Ave. £ per ft²
- £467/ft²
- Ave. Gross Yield
- 4.9%/year/yr
Key Postcode Insights
AL7 3DU is a residential postcode situated on Sweet Briar, Welwyn Garden City, AL7 with 31 addresses.
It ranks as the 618th largest and 598th 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 31 properties: 31 houses.
- Ave. Sale Price
- £445,694
- 10 Year change
- up 13.2%
- Ave. Rental Price
- £1,823pcm
- 10 Year change
- up 56.1%
- Ave. £ per ft²
- £467/ft²
- Ave. Gross Yield
- 4.9%/year/yr
Explore Propertiesin AL7 3DU
- 1 Sweet Briar
3 Bed Mid-century House
- 3 Sweet Briar
3 Bed Mid-century House
- 5 Sweet Briar
4 Bed Mid-century House
- 7 Sweet Briar
3 Bed Mid-century House
- 9 Sweet Briar
4 Bed Mid-century House
Sales Market Trends
The last sale in AL7 3DU sold for £517,000 on 30th January 2026. Since then prices are down an average of 0.9%.
The current average value in the postcode is £445,694.
The AL7 3DU Sales Market has increased by 13.2% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -1.4% | £445,694 |
| June 2025 | -1.6% | £452,149 |
| June 2024 | -2.5% | £459,525 |
| June 2023 | 2.9% | £471,336 |
| June 2022 | 6.3% | £457,936 |
| June 2021 | 6% | £430,916 |
| June 2020 | 3.1% | £406,691 |
| June 2019 | -1.5% | £394,570 |
| June 2018 | -1.8% | £400,501 |
| June 2017 | 3.5% | £407,648 |
| June 2016 | 14.8% | £393,735 |
| June 2015 | 12.3% | £343,061 |
| June 2014 | 14.8% | £305,500 |
| June 2013 | 3.9% | £266,023 |
| June 2012 | 1% | £255,946 |
| June 2011 | 1.2% | £253,527 |
| June 2010 | 14.5% | £250,422 |
| June 2009 | -10.4% | £218,725 |
| June 2008 | -2.8% | £243,993 |
| June 2007 | 0% | £250,986 |
Rental Market Trends
The current average rental value in the postcode is £1,823.
The AL7 3DU Rental Market has increased by 56.1% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 4.5% | £1,823pcm |
| June 2025 | 4.5% | £1,745pcm |
| June 2024 | 7.7% | £1,669pcm |
| June 2023 | 8.7% | £1,550pcm |
| June 2022 | 9.8% | £1,425pcm |
| June 2021 | 6.7% | £1,298pcm |
| June 2020 | 1.1% | £1,216pcm |
| June 2019 | 1.7% | £1,202pcm |
| June 2018 | 1.1% | £1,182pcm |
| June 2017 | 0.1% | £1,169pcm |
| June 2016 | 4.6% | £1,168pcm |
| June 2015 | 3.3% | £1,117pcm |
| June 2014 | 6% | £1,081pcm |
| June 2013 | 0.1% | £1,020pcm |
| June 2012 | 4% | £1,019pcm |
| June 2011 | 3.9% | £980pcm |
| June 2010 | 9.3% | £943pcm |
| June 2009 | -4.6% | £863pcm |
| June 2008 | 4.1% | £904pcm |
| June 2007 | 0% | £868pcm |
Sales History
The last sale was on 30th January 2026 for £517,000 and since then the market in the area has decreased by 0.9%. The postcode has had a total of 33 sales since 1995.
AL7 3DU has seen 4 sales in the last three years and 1 sale in the last twelve months.
- Sold Jan 2026£517,000 | 3 Bed House61, Sweet Briar, Welwyn Garden City, AL7 3DU61, Sweet Briar, Welwyn Garden City, AL7 3DU
- Sold Dec 2024£535,000 | 3 Bed House13, Sweet Briar, Welwyn Garden City, AL7 3DU13, Sweet Briar, Welwyn Garden City, AL7 3DU
- Sold Sep 2024£382,500 | 3 Bed House53, Sweet Briar, Welwyn Garden City, AL7 3DU53, Sweet Briar, Welwyn Garden City, AL7 3DU
- Sold Feb 2023£390,000 | 3 Bed House3, Sweet Briar, Welwyn Garden City, AL7 3DU3, Sweet Briar, Welwyn Garden City, AL7 3DU
- Sold Jun 2021£395,000 | 3 Bed House37, Sweet Briar, Welwyn Garden City, AL7 3DU37, Sweet Briar, Welwyn Garden City, AL7 3DU
Nearby Postcodes
AL7 3DU is the 618th largest and the 598th most expensive postcode out of the 785 postcodes in the AL7 area.
- AL7 3EU, Heronswood Road, Welwyn Garden City, AL7AL7 3EU28 Addresses|36 m away
- AL7 3DY, Sweet Briar, Welwyn Garden City, AL7AL7 3DY10 Addresses|45 m away
- AL7 3DZ, Hornbeams, Welwyn Garden City, AL7AL7 3DZ12 Addresses|75 m away
- AL7 3EL, Heronswood Road, Welwyn Garden City, AL7AL7 3EL3 Addresses|102 m away
- AL7 3DX, Sweet Briar, Welwyn Garden City, AL7AL7 3DX6 Addresses|119 m away
Property Types
- 25 mid-century houses built between 1936 and 1979
- 6 other addresses of unknown type
- mid-century house (25)
- Unknown (6)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 25 properties.
- The most common rating is C.
- A (0)
- E (2)
- B (0)
- F (0)
- C (14)
- G (0)
- D (9)
- No EPC (6)
Top 3 Most Expensive Sales
- Sold Apr 2025£590,000 | 5 Bed House127, Sweet Briar, Welwyn Garden City, AL7 3EB127, Sweet Briar, Welwyn Garden City, AL7 3EB
- Sold May 2023£580,000 | 3 Bed House133, Sweet Briar, Welwyn Garden City, AL7 3EB133, Sweet Briar, Welwyn Garden City, AL7 3EB
- Sold Dec 2024£535,000 | 3 Bed House13, Sweet Briar, Welwyn Garden City, AL7 3DU13, Sweet Briar, Welwyn Garden City, AL7 3DU
Schools Nearby
- Swallow Dell Primary and Nursery School300 m away
- Watchlytes Primary School700 m away
- Panshanger Primary School900 m away
- Ridgeway Academy900 m away
- Stanborough School2.6 km away
- Monk's Walk School3.5 km away
More reading links
Public Transport Nearby
The closest station to AL7 3DU is Welwyn Garden City station, which is 1.7 kilometres away.
- Welwyn Garden City|1.7 km away
- Welwyn North|3.3 km away
- Hatfield (Herts)|4.1 km away
- Hertford North|6.2 km away
