Over the past 31 years, there have been 80 property sales recorded in the AL7 1BX postcode area. The highest sale price reached £430,000, while the most recent sale was for a terraced flat sold in July 2025 for £275,000.

The estimated average property value in AL7 1BX currently stands at £314,340, which is approximately 32.1% lower than the city average - making it a relatively affordable option for buyers.

In terms of size, the average price per square metre is approximately £5,426.

Property prices in AL7 1BX have risen by 3.2% over the past year , with a total increase of 9.9% over the past five years , and a long-term rise of 40.3% over the past decade .

The most common type of property sold in the area is flat, making up around 63% of transactions , followed by semi-detached and terraced.

Housing in AL7 1BX is predominantly owner-occupied, with an estimated 58% of homes being lived in by the owners.

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Property Sales

1 The Swallows, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 1BX

🏠 Terraced
🛏️ 3bed
📐 552 sq ft
Today
£357,197
streetscan.co.uk estimate
18 Jan 2019
£295,000
12 Dec 2014
£220,500
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11 The Swallows, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 1BX

🏠 Terraced
🛏️ 4bed
📐 555 sq ft
Today
£361,791
streetscan.co.uk estimate
6 Oct 2000
£99,950
7 Apr 1997
£60,000
More details

13 The Swallows, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 1BX

🏠 Semi-detached
🛏️ 4bed
📐 721 sq ft
Today
£457,740
streetscan.co.uk estimate
7 Jun 2013
£250,000
More details

15 The Swallows, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 1BX

🏠 Semi-detached
🛏️ 4bed
📐 689 sq ft
Today
£454,505
streetscan.co.uk estimate
8 Feb 2013
£250,000
More details

19 The Swallows, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 1BX

🏠 Terraced
🛏️ 4bed
📐 990 sq ft
Today
£445,309
streetscan.co.uk estimate
18 Dec 2003
£188,000
More details

21 The Swallows, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 1BX

🏠 Semi-detached
🛏️ 4bed
📐 700 sq ft
Today
£454,748
streetscan.co.uk estimate
9 Feb 2024
£430,000
4 May 1999
£95,000
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23 The Swallows, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 1BX

Today
£445,219
streetscan.co.uk estimate
15 Apr 2005
£196,000
28 Sep 2001
£137,500
4 Dec 1998
£93,000

25 The Swallows, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 1BX

Today
£491,849
streetscan.co.uk estimate
2 Jun 1995
£76,000

27 The Swallows, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 1BX

🏠 Semi-detached
🛏️ 4bed
📐 614 sq ft
Today
£456,299
streetscan.co.uk estimate
16 Nov 1998
£98,000
More details

3 The Swallows, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 1BX

Today
£329,840
streetscan.co.uk estimate
27 Jun 1997
£60,000

33 The Swallows, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 1BX

🏠 Semi-detached
🛏️ 4bed
📐 700 sq ft
Today
£442,251
streetscan.co.uk estimate
27 Sep 2004
£202,000
More details

35 The Swallows, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 1BX

🏠 Semi-detached
🛏️ 5bed
📐 1173 sq ft
Today
£532,306
streetscan.co.uk estimate
9 Dec 2010
£284,000
22 Oct 2004
£260,000
More details

37 The Swallows, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 1BX

🏠 Flat
🛏️ 3bed
📐 719 sq ft
Today
£246,989
streetscan.co.uk estimate
30 May 2014
£180,000
27 Nov 2009
£169,000
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39 The Swallows, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 1BX

🏠 Flat
🛏️ 3bed
📐 603 sq ft
Today
£254,476
streetscan.co.uk estimate
25 Oct 1996
£52,950
More details

41 The Swallows, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 1BX

Today
£234,269
streetscan.co.uk estimate
1 Jul 2008
£162,000
16 Mar 2007
£165,000
5 May 2000
£79,500

43 The Swallows, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 1BX

Today
£237,974
streetscan.co.uk estimate
11 Jun 1999
£67,500

45 The Swallows, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 1BX

🏠 Flat
🛏️ 3bed
📐 592 sq ft
Today
£282,907
streetscan.co.uk estimate
10 Jul 2025
£275,000
17 Nov 2015
£220,000
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47 The Swallows, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 1BX

🏠 Flat
🛏️ 3bed
📐 614 sq ft
Today
£262,113
streetscan.co.uk estimate
4 Jan 2024
£257,500
11 May 2012
£169,000
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49 The Swallows, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 1BX

🏠 Flat
🛏️ 3bed
📐 614 sq ft
Today
£235,134
streetscan.co.uk estimate
15 Dec 2000
£84,950
More details

5 The Swallows, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 1BX

🏠 Terraced
🛏️ 3bed
📐 545 sq ft
Today
£339,164
streetscan.co.uk estimate
22 Apr 2010
£177,500
27 May 2004
£151,500
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51 The Swallows, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 1BX

🏠 Flat
🛏️ 3bed
📐 614 sq ft
Today
£235,283
streetscan.co.uk estimate
31 Mar 2003
£123,000
17 Aug 2001
£92,500
More details

53 The Swallows, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 1BX

🏠 Flat
🛏️ 3bed
📐 700 sq ft
Today
£275,725
streetscan.co.uk estimate
21 Oct 2022
£286,000
9 Sep 2013
£175,000
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55 The Swallows, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 1BX

🏠 Flat
🛏️ 3bed
📐 603 sq ft
Today
£282,659
streetscan.co.uk estimate
31 May 2023
£285,000
31 Aug 2012
£147,000
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61 The Swallows, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 1BX

🏠 Flat
🛏️ 2bed
📐 398 sq ft
Today
£204,106
streetscan.co.uk estimate
1 Dec 2009
£131,000
30 Jul 2007
£140,000
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63 The Swallows, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 1BX

🏠 Flat
🛏️ 2bed
📐 431 sq ft
Today
£181,453
streetscan.co.uk estimate
31 Jul 2020
£173,000
More details

65 The Swallows, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 1BX

🏠 Flat
🛏️ 2bed
📐 463 sq ft
Today
£218,533
streetscan.co.uk estimate
24 Apr 2014
£157,000
31 Mar 2005
£128,000
More details

69 The Swallows, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 1BX

Today
£200,778
streetscan.co.uk estimate
12 Sep 2003
£109,950
12 Sep 2003
£109,950

7 The Swallows, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 1BX

🏠 Terraced
🛏️ 3bed
📐 549 sq ft
Today
£364,774
streetscan.co.uk estimate
2 Jun 1995
£55,000
More details

71 The Swallows, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 1BX

🏠 Flat
🛏️ 2bed
📐 406 sq ft
Today
£192,558
streetscan.co.uk estimate
29 Sep 2005
£120,000
28 Feb 2002
£85,000
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73 The Swallows, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 1BX

🏠 Flat
🛏️ 2bed
📐 463 sq ft
Today
£197,368
streetscan.co.uk estimate
23 Jun 2015
£161,000
4 Jul 2006
£138,000
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More details

9 The Swallows, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 1BX

Today
£339,454
streetscan.co.uk estimate
17 Aug 2009
£158,500
25 Apr 2005
£155,000
30 Jun 2004
£154,995
20 Mar 2001
£92,500
23 Sep 1998
£74,000

Area Insights

Data Sources

Properties at AL7 1BX appear eighty times in the Land Registry records, with the latest transaction recorded on 10 Jul 2025. It also has twenty-four Energy Performance Certificates (EPC) entries, the earliest dating back to 17 Sep 2012. We use this data, to estimate the property's characteristics and current market value.

This website uses public sector information from:

These datasets are licensed under the Open Government Licence v3.0.
This website is not affiliated with or endorsed by HM Land Registry or DLUHC.

Disclaimer: StreetScan.co.uk makes all reasonable efforts to ensure the information provided on this website is current and accurate; however, no warranties or representations are made as to its completeness or accuracy. StreetScan.co.uk expressly disclaims any and all liability for any loss, damage, or expense arising directly or indirectly from the use of, or reliance upon, such information.