Over the past 13 years, there have been 43 property sales recorded in the SG1 4FZ postcode area. The highest sale price reached £240,000, while the most recent sale was for a not recorded flat sold in January 2026 for £240,000.

The estimated average property value in SG1 4FZ currently stands at £218,138, which is approximately 42.5% 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 £3,661.

Property prices in SG1 4FZ have risen by 1.2% over the past year , with a total increase of 5% over the past five years , and a long-term rise of 31.7% over the past decade .

100% of recorded transactions in the area were for flat properties.

Housing in SG1 4FZ is mixed, with 45% of homes being , indicating a diverse residential makeup.

Click on the map to change the analyzed area

Property Sales

1, Swallowtail Court Birdwing Walk, Stevenage, Hertfordshire, SG1 4FZ

🏠 Flat
🛏️ bed
📐 689 sq ft
Today
£224,508
streetscan.co.uk estimate
28 Jul 2022
£240,000
28 Feb 2017
£230,000
View +1 more
More details

10, Swallowtail Court Birdwing Walk, Stevenage, Hertfordshire, SG1 4FZ

🏠 Flat
🛏️ 2bed
📐 538 sq ft
Today
£180,015
streetscan.co.uk estimate
9 Sep 2022
£195,000
27 Apr 2018
£182,000
View +2 more
More details

11, Swallowtail Court Birdwing Walk, Stevenage, Hertfordshire, SG1 4FZ

🏠 Flat
🛏️ bed
📐 667 sq ft
Today
£218,211
streetscan.co.uk estimate
8 Oct 2020
£206,500
6 Jul 2012
£151,995
More details

12, Swallowtail Court Birdwing Walk, Stevenage, Hertfordshire, SG1 4FZ

🏠 Flat
🛏️ 3bed
📐 657 sq ft
Today
£199,893
streetscan.co.uk estimate
14 Jul 2023
£215,000
5 Dec 2012
£134,995
More details

13, Swallowtail Court Birdwing Walk, Stevenage, Hertfordshire, SG1 4FZ

🏠 Flat
🛏️ bed
📐 667 sq ft
Today
£234,539
streetscan.co.uk estimate
24 Aug 2012
£148,995
More details

14, Swallowtail Court Birdwing Walk, Stevenage, Hertfordshire, SG1 4FZ

🏠 Flat
🛏️ 3bed
📐 700 sq ft
Today
£208,402
streetscan.co.uk estimate
28 Oct 2022
£231,000
6 Jul 2012
£159,995
More details

15, Swallowtail Court Birdwing Walk, Stevenage, Hertfordshire, SG1 4FZ

🏠 Flat
🛏️ 2bed
📐 495 sq ft
Today
£179,833
streetscan.co.uk estimate
4 Mar 2019
£182,000
10 Jul 2012
£105,000
More details

16, Swallowtail Court Birdwing Walk, Stevenage, Hertfordshire, SG1 4FZ

🏠 Flat
🛏️ bed
📐 700 sq ft
Today
£222,622
streetscan.co.uk estimate
14 Jul 2015
£178,000
19 Jul 2012
£159,995
More details

17, Swallowtail Court Birdwing Walk, Stevenage, Hertfordshire, SG1 4FZ

🏠 Flat
🛏️ 3bed
📐 689 sq ft
Today
£255,002
streetscan.co.uk estimate
3 Aug 2012
£161,995
More details

18, Swallowtail Court Birdwing Walk, Stevenage, Hertfordshire, SG1 4FZ

🏠 Flat
🛏️ bed
📐 689 sq ft
Today
£222,431
streetscan.co.uk estimate
2 Dec 2016
£219,995
25 Nov 2016
£205,800
View +1 more
More details

19, Swallowtail Court Birdwing Walk, Stevenage, Hertfordshire, SG1 4FZ

🏠 Flat
🛏️ bed
📐 495 sq ft
Today
£191,538
streetscan.co.uk estimate
4 Aug 2016
£180,000
18 Jul 2012
£117,500
More details

2, Swallowtail Court Birdwing Walk, Stevenage, Hertfordshire, SG1 4FZ

🏠 Flat
🛏️ 2bed
📐 495 sq ft
Today
£185,110
streetscan.co.uk estimate
12 Jul 2012
£118,000
More details

20, Swallowtail Court Birdwing Walk, Stevenage, Hertfordshire, SG1 4FZ

🏠 Flat
🛏️ bed
📐 700 sq ft
Today
£219,622
streetscan.co.uk estimate
20 Jul 2012
£140,000
More details

3, Swallowtail Court Birdwing Walk, Stevenage, Hertfordshire, SG1 4FZ

🏠 Flat
🛏️ 3bed
📐 732 sq ft
Today
£221,186
streetscan.co.uk estimate
4 Aug 2017
£227,000
9 Dec 2014
£170,000
View +1 more
More details

4, Swallowtail Court Birdwing Walk, Stevenage, Hertfordshire, SG1 4FZ

🏠 Flat
🛏️ 3bed
📐 710 sq ft
Today
£244,714
streetscan.co.uk estimate
16 Jul 2012
£155,995
More details

5, Swallowtail Court Birdwing Walk, Stevenage, Hertfordshire, SG1 4FZ

🏠 Flat
🛏️ 3bed
📐 775 sq ft
Today
£211,412
streetscan.co.uk estimate
1 Aug 2022
£226,000
24 Aug 2012
£142,000
More details

6, Swallowtail Court Birdwing Walk, Stevenage, Hertfordshire, SG1 4FZ

🏠 Flat
🛏️ bed
📐 484 sq ft
Today
£192,346
streetscan.co.uk estimate
8 Nov 2019
£187,500
11 Jul 2014
£139,950
View +1 more
More details

7, Swallowtail Court Birdwing Walk, Stevenage, Hertfordshire, SG1 4FZ

🏠 Flat
🛏️ 3bed
📐 786 sq ft
Today
£235,613
streetscan.co.uk estimate
20 Jan 2026
£240,000
3 Nov 2016
£210,000
View +1 more
More details

8, Swallowtail Court Birdwing Walk, Stevenage, Hertfordshire, SG1 4FZ

🏠 Flat
🛏️ bed
📐 592 sq ft
Today
£209,591
streetscan.co.uk estimate
7 Jan 2019
£205,000
20 Dec 2012
£143,000
More details

9, Swallowtail Court Birdwing Walk, Stevenage, Hertfordshire, SG1 4FZ

🏠 Flat
🛏️ 3bed
📐 732 sq ft
Today
£225,070
streetscan.co.uk estimate
28 Nov 2025
£230,000
19 Nov 2021
£220,000
View +1 more
More details

Area Insights

Data Sources

Properties at SG1 4FZ appear fourty-three times in the Land Registry records, with the latest transaction recorded on 20 Jan 2026. It also has twenty Energy Performance Certificates (EPC) entries, the earliest dating back to 28 Jun 2011. 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.