Knolles Crescent - AL9 7DZ
Key Postcode Insights
AL9 7DZ is a residential postcode situated on Knolles Crescent, Welham Green, North Mymms, Hatfield, AL9 with 27 addresses.
It ranks as the 353rd largest and 118th most expensive of the 408 postcodes in the AL9 area. The most common property type is a mid-century house built between 1936 and 1979.
The postcode contains a total of 27 properties: 27 houses.
- Ave. Sale Price
- £465,337
- 10 Year change
- up 20.6%
- Ave. Rental Price
- £2,348pcm
- 10 Year change
- up 55.1%
- Ave. £ per ft²
- £467/ft²
- Ave. Gross Yield
- 6.1%/year/yr
Key Postcode Insights
AL9 7DZ is a residential postcode situated on Knolles Crescent, Welham Green, North Mymms, Hatfield, AL9 with 27 addresses.
It ranks as the 353rd largest and 118th most expensive of the 408 postcodes in the AL9 area. The most common property type is a mid-century house built between 1936 and 1979.
The postcode contains a total of 27 properties: 27 houses.
- Ave. Sale Price
- £465,337
- 10 Year change
- up 20.6%
- Ave. Rental Price
- £2,348pcm
- 10 Year change
- up 55.1%
- Ave. £ per ft²
- £467/ft²
- Ave. Gross Yield
- 6.1%/year/yr
Explore Propertiesin AL9 7DZ
- 1 Knolles Crescent
3 Bed Mid-century House
- 3 Knolles Crescent
Unknown
- 5 Knolles Crescent
Unknown
- 7 Knolles Crescent
3 Bed Mid-century House
- 9 Knolles Crescent
3 Bed Mid-century House
Sales Market Trends
The last sale in AL9 7DZ sold for £480,000 on 10th October 2025. Since then prices are up an average of 0.7%.
The current average value in the postcode is £465,337.
The AL9 7DZ Sales Market has increased by 20.6% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 0.8% | £465,337 |
| June 2025 | 6.1% | £461,741 |
| June 2024 | -4.9% | £435,375 |
| June 2023 | 0.8% | £457,978 |
| June 2022 | 9.9% | £454,509 |
| June 2021 | 4.6% | £413,667 |
| June 2020 | 7.8% | £395,426 |
| June 2019 | 0% | £366,797 |
| June 2018 | -7.1% | £366,839 |
| June 2017 | 2.3% | £394,714 |
| June 2016 | 12.7% | £385,796 |
| June 2015 | 7.7% | £342,242 |
| June 2014 | 3.8% | £317,701 |
| June 2013 | 3.5% | £306,186 |
| June 2012 | 6.5% | £295,707 |
| June 2011 | 2.1% | £277,728 |
| June 2010 | 12.3% | £272,129 |
| June 2009 | -2.4% | £242,409 |
| June 2008 | 1% | £248,338 |
| June 2007 | 0% | £245,973 |
Rental Market Trends
The current average rental value in the postcode is £2,348.
The AL9 7DZ Rental Market has increased by 55.1% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 6.3% | £2,348pcm |
| June 2025 | 3.7% | £2,209pcm |
| June 2024 | 7.4% | £2,131pcm |
| June 2023 | 8% | £1,984pcm |
| June 2022 | 3.2% | £1,837pcm |
| June 2021 | 8.5% | £1,781pcm |
| June 2020 | 2% | £1,642pcm |
| June 2019 | 2.6% | £1,609pcm |
| June 2018 | 1.1% | £1,568pcm |
| June 2017 | 2.5% | £1,551pcm |
| June 2016 | 4.5% | £1,514pcm |
| June 2015 | 5.6% | £1,449pcm |
| June 2014 | 5.3% | £1,373pcm |
| June 2013 | 1.6% | £1,304pcm |
| June 2012 | 5.7% | £1,283pcm |
| June 2011 | 6% | £1,214pcm |
| June 2010 | 3.4% | £1,145pcm |
| June 2009 | 4% | £1,108pcm |
| June 2008 | -14.5% | £1,066pcm |
| June 2007 | 0% | £1,246pcm |
Sales History
The last sale was on 10th October 2025 for £480,000 and since then the market in the area has increased by 0.7%. The postcode has had a total of 17 sales since 1995.
AL9 7DZ has seen 2 sales in the last three years and 1 sale in the last twelve months.
- Sold Oct 2025£480,000 | 3 Bed House31, Knolles Crescent, Hatfield, AL9 7DZ31, Knolles Crescent, Hatfield, AL9 7DZ
- Sold Jun 2024£440,000 | 3 Bed House17, Knolles Crescent, Hatfield, AL9 7DZ17, Knolles Crescent, Hatfield, AL9 7DZ
- Sold Jun 2021£445,000 | 3 Bed House9, Knolles Crescent, Hatfield, AL9 7DZ9, Knolles Crescent, Hatfield, AL9 7DZ
- Sold Mar 2021£448,000 | 3 Bed House7, Knolles Crescent, Hatfield, AL9 7DZ7, Knolles Crescent, Hatfield, AL9 7DZ
- Sold Dec 2018£359,950 | 3 Bed House33, Knolles Crescent, Hatfield, AL9 7DZ33, Knolles Crescent, Hatfield, AL9 7DZ
Nearby Postcodes
AL9 7DZ is the 353rd largest and the 118th most expensive postcode out of the 408 postcodes in the AL9 area.
- AL9 7EA, Knolles Crescent, Welham Green, North Mymms, Hatfield, AL9AL9 7EA31 Addresses|62 m away
- AL9 7ED, Greville Close, Welham Green, North Mymms, Hatfield, AL9AL9 7ED32 Addresses|65 m away
- AL9 7DW, Dixons Hill Road, Welham Green, North Mymms, Hatfield, AL9AL9 7DW10 Addresses|98 m away
- AL9 7DS, Alderman Close, Welham Green, North Mymms, Hatfield, AL9AL9 7DS27 Addresses|113 m away
- AL9 7EB, Gould Close, Welham Green, North Mymms, Hatfield, AL9AL9 7EB38 Addresses|125 m away
Property Types
- 18 mid-century houses built between 1936 and 1979
- 9 other addresses of unknown type
- mid-century house (18)
- Unknown (9)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 18 properties.
- The most common rating is C.
- A (0)
- E (0)
- B (0)
- F (0)
- C (13)
- G (0)
- D (5)
- No EPC (9)
Top 3 Most Expensive Sales
- Sold Nov 2022£490,000 | 3 Bed House6, Knolles Crescent, Hatfield, AL9 7EA6, Knolles Crescent, Hatfield, AL9 7EA
- Sold Sep 2019£485,000 | 3 Bed House60, Knolles Crescent, Hatfield, AL9 7EA60, Knolles Crescent, Hatfield, AL9 7EA
- Sold Oct 2025£480,000 | 3 Bed House31, Knolles Crescent, Hatfield, AL9 7DZ31, Knolles Crescent, Hatfield, AL9 7DZ
Schools Nearby
- St Mary's Church of England VA Primary School, Welham Green300 m away
- Brookmans Park Primary School1.6 km away
- De Havilland Primary School1.7 km away
- Chancellor's School2.6 km away
- Bishop's Hatfield Girls' School2.8 km away
- Onslow St Audrey's School2.9 km away
More reading links
Public Transport Nearby
The closest station to AL9 7DZ is Welham Green station, which is 700 metres away.
- Welham Green|700 m away
- Brookmans Park|1.8 km away
- Hatfield (Herts)|3.4 km away
- Potters Bar|4.5 km away
