Over the past 18 years, there have been 67 property sales recorded in the PO1 3GW postcode area. The highest sale price reached £425,000, while the most recent sale was for a terraced flat sold in November 2025 for £220,000.

The estimated average property value in PO1 3GW currently stands at £261,466, which is approximately 11.4% 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 £4,398.

Property prices in PO1 3GW have risen by 3.1% over the past year , with a total increase of 14% over the past five years , and a long-term rise of 40.5% over the past decade .

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

Housing in PO1 3GW is mixed, with 52% of homes being , indicating a diverse residential makeup.

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Property Sales

1, Marlborough House Admiralty Road, Portsmouth, PO1 3GW

🏠 Flat
🛏️ 1bed
📐 312 sq ft
Today
£132,993
streetscan.co.uk estimate
5 Oct 2007
£103,950
More details

10, Marlborough House Admiralty Road, Portsmouth, PO1 3GW

🏠 Flat
🛏️ 2bed
📐 441 sq ft
Today
£184,780
streetscan.co.uk estimate
5 Apr 2019
£168,000
25 Nov 2016
£153,000
View +1 more
More details

11, Marlborough House Admiralty Road, Portsmouth, PO1 3GW

🏠 Flat
🛏️ 3bed
📐 904 sq ft
Today
£226,346
streetscan.co.uk estimate
19 Apr 2013
£150,000
26 Oct 2007
£225,000
More details

12, Marlborough House Admiralty Road, Portsmouth, PO1 3GW

🏠 Flat
🛏️ 2bed
📐 495 sq ft
Today
£198,306
streetscan.co.uk estimate
31 Oct 2007
£155,000
More details

13, Marlborough House Admiralty Road, Portsmouth, PO1 3GW

🏠 Flat
🛏️ 3bed
📐 721 sq ft
Today
£251,701
streetscan.co.uk estimate
14 Aug 2015
£200,000
17 Dec 2010
£155,000
View +1 more
More details

15, Marlborough House Admiralty Road, Portsmouth, PO1 3GW

🏠 Flat
🛏️ 3bed
📐 786 sq ft
Today
£240,526
streetscan.co.uk estimate
24 Oct 2007
£188,000
More details

16, Marlborough House Admiralty Road, Portsmouth, PO1 3GW

Today
£209,820
streetscan.co.uk estimate
24 Oct 2007
£164,000

17, Marlborough House Admiralty Road, Portsmouth, PO1 3GW

🏠 Flat
🛏️ 2bed
📐 484 sq ft
Today
£194,275
streetscan.co.uk estimate
22 Dec 2015
£155,000
28 Sep 2007
£153,455
More details

18, Marlborough House Admiralty Road, Portsmouth, PO1 3GW

🏠 Flat
🛏️ 2bed
📐 560 sq ft
Today
£210,460
streetscan.co.uk estimate
4 Oct 2007
£164,500
More details

19, Marlborough House Admiralty Road, Portsmouth, PO1 3GW

🏠 Flat
🛏️ 3bed
📐 689 sq ft
Today
£275,069
streetscan.co.uk estimate
2 Oct 2007
£215,000
More details

2, Marlborough House Admiralty Road, Portsmouth, PO1 3GW

Today
£191,205
streetscan.co.uk estimate
5 Oct 2007
£149,450

20, Marlborough House Admiralty Road, Portsmouth, PO1 3GW

🏠 Flat
🛏️ 3bed
📐 635 sq ft
Today
£275,069
streetscan.co.uk estimate
2 Oct 2007
£215,000
More details

21, Marlborough House Admiralty Road, Portsmouth, PO1 3GW

🏠 Flat
🛏️ 3bed
📐 743 sq ft
Today
£272,805
streetscan.co.uk estimate
27 Sep 2007
£215,000
More details

22, Marlborough House Admiralty Road, Portsmouth, PO1 3GW

🏠 Flat
🛏️ 3bed
📐 743 sq ft
Today
£220,716
streetscan.co.uk estimate
28 Nov 2025
£220,000
7 Aug 2018
£200,000
View +1 more
More details

23, Marlborough House Admiralty Road, Portsmouth, PO1 3GW

🏠 Flat
🛏️ 3bed
📐 764 sq ft
Today
£244,224
streetscan.co.uk estimate
13 Apr 2012
£160,000
26 Oct 2007
£215,000
More details

24, Marlborough House Admiralty Road, Portsmouth, PO1 3GW

🏠 Flat
🛏️ 2bed
📐 463 sq ft
Today
£200,864
streetscan.co.uk estimate
24 Oct 2007
£157,000
More details

25, Marlborough House Admiralty Road, Portsmouth, PO1 3GW

🏠 Flat
🛏️ 3bed
📐 700 sq ft
Today
£259,716
streetscan.co.uk estimate
24 Oct 2007
£203,000
More details

26, Marlborough House Admiralty Road, Portsmouth, PO1 3GW

🏠 Flat
🛏️ 2bed
📐 520 sq ft
Today
£198,945
streetscan.co.uk estimate
24 Oct 2007
£155,500
More details

27, Marlborough House Admiralty Road, Portsmouth, PO1 3GW

🏠 Flat
🛏️ 3bed
📐 646 sq ft
Today
£237,238
streetscan.co.uk estimate
14 Mar 2017
£208,000
24 Oct 2007
£192,500
More details

28, Marlborough House Admiralty Road, Portsmouth, PO1 3GW

🏠 Flat
🛏️ 2bed
📐 463 sq ft
Today
£193,385
streetscan.co.uk estimate
19 Sep 2014
£143,000
24 Oct 2007
£140,250
More details

29, Marlborough House Admiralty Road, Portsmouth, PO1 3GW

Today
£287,863
streetscan.co.uk estimate
26 Oct 2007
£225,000

3, Marlborough House Admiralty Road, Portsmouth, PO1 3GW

🏠 Flat
🛏️ 2bed
📐 495 sq ft
Today
£189,190
streetscan.co.uk estimate
12 Oct 2007
£147,875
More details

30, Marlborough House Admiralty Road, Portsmouth, PO1 3GW

🏠 Flat
🛏️ 2bed
📐 479 sq ft
Today
£189,993
streetscan.co.uk estimate
7 Aug 2014
£137,000
3 Sep 2010
£125,000
View +1 more
More details

31, Marlborough House Admiralty Road, Portsmouth, PO1 3GW

🏠 Flat
🛏️ 2bed
📐 474 sq ft
Today
£178,221
streetscan.co.uk estimate
4 Feb 2019
£163,000
25 Apr 2008
£158,250
More details

32, Marlborough House Admiralty Road, Portsmouth, PO1 3GW

🏠 Flat
🛏️ 2bed
📐 463 sq ft
Today
£221,655
streetscan.co.uk estimate
4 Oct 2007
£173,250
More details

33, Marlborough House Admiralty Road, Portsmouth, PO1 3GW

🏠 Flat
🛏️ 3bed
📐 603 sq ft
Today
£416,442
streetscan.co.uk estimate
2 Oct 2007
£325,500
More details

34, Marlborough House Admiralty Road, Portsmouth, PO1 3GW

🏠 Flat
🛏️ 3bed
📐 743 sq ft
Today
£281,466
streetscan.co.uk estimate
2 Oct 2007
£220,000
More details

35, Marlborough House Admiralty Road, Portsmouth, PO1 3GW

🏠 Flat
🛏️ 3bed
📐 700 sq ft
Today
£292,473
streetscan.co.uk estimate
28 Sep 2007
£230,500
More details

36, Marlborough House Admiralty Road, Portsmouth, PO1 3GW

🏠 Flat
🛏️ 2bed
📐 441 sq ft
Today
£193,043
streetscan.co.uk estimate
20 Mar 2009
£120,000
22 Oct 2007
£169,000
More details

37, Marlborough House Admiralty Road, Portsmouth, PO1 3GW

🏠 Flat
🛏️ 3bed
📐 700 sq ft
Today
£310,252
streetscan.co.uk estimate
19 Oct 2007
£242,500
More details

38, Marlborough House Admiralty Road, Portsmouth, PO1 3GW

Today
£444,000
streetscan.co.uk estimate
11 Apr 2008
£348,000

39, Marlborough House Admiralty Road, Portsmouth, PO1 3GW

🏠 Flat
🛏️ 3bed
📐 1163 sq ft
Today
£356,374
streetscan.co.uk estimate
22 Oct 2007
£278,550
More details

4, Marlborough House Admiralty Road, Portsmouth, PO1 3GW

🏠 Flat
🛏️ 2bed
📐 624 sq ft
Today
£174,390
streetscan.co.uk estimate
2 May 2014
£124,995
5 Oct 2007
£133,907
More details

40, Marlborough House Admiralty Road, Portsmouth, PO1 3GW

🏠 Flat
🛏️ 3bed
📐 1227 sq ft
Today
£432,243
streetscan.co.uk estimate
7 Oct 2020
£400,000
31 Oct 2007
£425,000
More details

41, Marlborough House Admiralty Road, Portsmouth, PO1 3GW

🏠 Flat
🛏️ 3bed
📐 732 sq ft
Today
£279,291
streetscan.co.uk estimate
19 Oct 2007
£218,300
More details

42, Marlborough House Admiralty Road, Portsmouth, PO1 3GW

🏠 Flat
🛏️ 2bed
📐 463 sq ft
Today
£180,664
streetscan.co.uk estimate
25 Feb 2014
£125,000
22 Oct 2007
£169,500
More details

43, Marlborough House Admiralty Road, Portsmouth, PO1 3GW

🏠 Flat
🛏️ 3bed
📐 1023 sq ft
Today
£415,485
streetscan.co.uk estimate
11 Sep 2020
£380,000
2 Jul 2018
£360,000
View +1 more
More details

5, Marlborough House Admiralty Road, Portsmouth, PO1 3GW

🏠 Flat
🛏️ 3bed
📐 689 sq ft
Today
£261,934
streetscan.co.uk estimate
25 May 2011
£175,000
25 Apr 2008
£194,000
View +1 more
More details

6, Marlborough House Admiralty Road, Portsmouth, PO1 3GW

🏠 Flat
🛏️ 3bed
📐 700 sq ft
Today
£271,871
streetscan.co.uk estimate
26 Oct 2007
£212,500
More details

7, Marlborough House Admiralty Road, Portsmouth, PO1 3GW

🏠 Flat
🛏️ 3bed
📐 724 sq ft
Today
£189,327
streetscan.co.uk estimate
18 Jan 2019
£175,000
9 Oct 2007
£212,500
More details

8, Marlborough House Admiralty Road, Portsmouth, PO1 3GW

🏠 Flat
🛏️ 2bed
📐 420 sq ft
Today
£170,664
streetscan.co.uk estimate
10 Feb 2017
£150,000
22 Oct 2007
£158,000
More details

9, Marlborough House Admiralty Road, Portsmouth, PO1 3GW

🏠 Flat
🛏️ 3bed
📐 581 sq ft
Today
£268,980
streetscan.co.uk estimate
3 Jul 2015
£209,950
24 Oct 2007
£203,700
More details

Area Insights

Data Sources

Properties at PO1 3GW appear sixty-seven times in the Land Registry records, with the latest transaction recorded on 28 Nov 2025. It also has thirty-eight Energy Performance Certificates (EPC) entries, the earliest dating back to 12 Jun 2009. 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.