The UK Postcode Database

SG1 6AX

a postcode in Hertfordshire

Introduced in June 2000
SG1 6AX Normal (geographic) postcodes Large user postcodes

The nearby postcodes map only shows currently active postcodes. Postcode markers will cluster if they are close together, which may happen in densly populated built-up areas or where single premises have multiple postcodes.

Streets Associated with SG1 6AX

Blackdown Close - 45 properties, USRN 27925049

Street names are those nearest to properties in this postcode, they are not necessarily the postal address

Coordinates

Latitude: 51.9304 / 51°55'49"N

Longitude: -0.17 / 0°10'11"W

UTM Reference: 30U 694565 5757076

OS Easting: 525921

OS Northing: 227340

OS Grid: TL259273

Location Encoding

Mapcode Local: GBR J7J.ZTF

Mapcode Global: VHGNV.0RH2

Open Location Code: 9C3XWRJJ+42

Maidenhead Locator System: IO91vw93

Demographics

Urban/Rural Indicator: C1

  • urban city or town
  • a town or city, surrounded by populated countryside

ONS Population Classification: 6c2

  • Baseline UK
  • Multicultural Inner Suburbs
  • Semi-Detached Family Renters

Index of Multiple Deprivation (IMD): 25951 / 32844

  • 8th decile
  • less deprived

Demographics are based on the LSOA containing this postcode and not necessarily this postcode alone

Sun and Moon Times for SG1 6AX on Thursday 11 June 2026

Nautical twilight begins (First light) 02:37
Civil twilight begins (Dawn) 03:53
Sunrise 04:41
Transit (sun is at its highest) 13:00
Sunset 21:19
Civil twilight ends (Dusk) 22:07
Nautical twilight ends (Nightfall) 23:23
Hours of daylight today04:11 to 21:49
Hours of darkness tonight
(lighting-up time)
21:49 to 04:10
Moon Phase Waning Crescent
Moon Rises 01:00
Moon sets 16:15

For a full sun and moon calendar for SG1 6AX, go to The Time and Place

Residential Property Sales in SG1 6AX

DateAddressProperty TypeTenurePrice
29 May 2024 60 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £330,000
29 September 2023 18 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £460,000
28 September 2023 18 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £460,000
8 September 2023 34 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £345,000
20 August 2021 10 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £330,000
26 April 2021 14 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £285,000
26 April 2021 26 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £365,000
17 June 2020 52 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £335,000
27 March 2020 38 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £270,000
10 February 2020 82 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £283,000
19 December 2019 80 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £266,500
5 July 2019 64 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £210,000
7 January 2019 34 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £305,000
15 October 2018 50 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £372,500
28 August 2018 54 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £305,000
5 April 2018 16 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £285,000
9 March 2018 60 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £290,000
21 July 2017 20 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £360,000
12 January 2017 52 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £320,000
30 November 2016 38 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £255,000
30 November 2016 74 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £275,000
16 September 2016 34 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £275,000
8 September 2016 44 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £347,500
8 June 2016 24 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £270,000
5 April 2016 62 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £245,000
5 April 2016 88 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £369,995
26 October 2015 60 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £245,000
31 July 2015 54 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £270,000
13 March 2015 68 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £213,000
31 July 2014 88 Blackdown Close, Stevenage SG1 6AX Detached Freehold £290,000
12 August 2013 38 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £183,000
21 June 2013 10 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £185,000
24 February 2012 54 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £200,000
18 November 2011 52 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £210,000
11 November 2011 50 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £230,000
4 November 2011 14 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £175,000
21 October 2011 18 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £265,000
26 April 2011 62 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £170,000
20 December 2010 44 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £236,000
2 September 2010 72 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £176,000
31 August 2010 76 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £145,000
12 July 2010 70 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £176,000
3 February 2010 40 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £157,000
24 September 2009 70 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £166,000
17 July 2009 68 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £167,000
6 February 2009 10 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £162,000
19 December 2008 16 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £175,000
20 July 2007 6 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £200,000
11 July 2007 74 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £183,000
29 June 2007 38 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £173,000
25 May 2007 2 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £235,000
8 March 2007 82 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £178,000
15 December 2006 14 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £80,000
25 August 2006 4 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £209,950
4 May 2006 46 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £214,000
13 April 2006 78 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £158,000
17 March 2006 42 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £177,950
2 March 2006 36 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £153,500
17 February 2006 18 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £242,000
14 December 2005 86 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £208,000
1 September 2005 90 Blackdown Close, Stevenage SG1 6AX Detached Freehold £244,000
24 March 2005 76 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £131,000
25 November 2004 68 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £157,000
29 October 2004 34 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £178,000
7 September 2004 12 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £167,000
3 September 2004 20 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £249,995
25 June 2004 42 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £174,000
4 June 2004 20 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £222,000
21 May 2004 50 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £204,500
12 February 2004 72 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Leasehold £124,000
12 February 2004 72 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £155,000
5 December 2003 74 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £153,500
4 July 2003 78 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £159,000
27 March 2003 82 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £154,995
26 November 2002 32 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £192,000
29 August 2002 26 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £167,500
10 May 2002 12 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £113,000
31 August 2001 54 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £132,500
27 July 2001 68 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £106,000
25 July 2001 62 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £105,500
11 July 2001 74 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £105,000
29 June 2001 66 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £106,000
28 June 2001 70 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £108,500
14 June 2001 52 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £133,000
8 June 2001 78 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £104,000
1 June 2001 40 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £99,500
1 June 2001 80 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £105,000
25 May 2001 72 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £108,000
11 May 2001 82 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £108,000
4 May 2001 50 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £134,000
3 May 2001 48 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £132,000
26 April 2001 58 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £139,500
24 April 2001 56 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £138,500
20 April 2001 60 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £111,000
12 April 2001 88 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £153,500
30 March 2001 46 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £131,000
30 March 2001 42 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £115,000
23 March 2001 44 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £132,000
21 March 2001 64 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £90,000
14 March 2001 38 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £99,500
2 February 2001 36 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £99,500
2 February 2001 76 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £89,000
26 January 2001 34 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £115,000
25 January 2001 28 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £131,000
11 January 2001 84 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £131,500
10 January 2001 30 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £130,500
7 December 2000 32 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £132,000
8 November 2000 86 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £131,000
27 October 2000 24 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £114,000
13 October 2000 90 Blackdown Close, Stevenage SG1 6AX Detached Freehold £153,000
2 October 2000 8 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £114,000
15 September 2000 26 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £129,000
15 September 2000 22 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £130,500
21 July 2000 20 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £155,000
18 July 2000 18 Blackdown Close, Stevenage SG1 6AX Semi-detached Freehold £154,000
7 July 2000 16 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £110,500
5 July 2000 10 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £111,000
23 June 2000 12 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £98,500
22 June 2000 14 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £98,000
16 June 2000 6 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £110,000
9 June 2000 4 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £122,500
5 June 2000 2 Blackdown Close, Stevenage SG1 6AX Terraced (including end-of-terrace) Freehold £126,500

Key to property sale icons:

First sale of newbuild property. This includes new properties created from existing properties, such as residential conversions of commercial or agricultural property, or subdivision of a larger residential property.
Subsequent sale of existing property.
Standard sale at market value to private individual.
Additional (non-standard) sale. This includes repossessions, buy-to-lets and transfers of property sold to non-private individuals.

Elected Representatives for SG1 6AX

United Kingdom Parliament
Constituency

Hitchin

MP

Alistair Strathern Labour

Hertfordshire County Council
County council electoral division

Royston West & Rural

Councillor

Steve Jarvis Liberal Democrats

North Hertfordshire District Council
District council ward

Great Ashby

Councillors

Laura Williams Labour

Vijaiya Poopalasingham Labour

SG1 6AX also falls within the Civil Parish of Great Ashby, which has its own parish council and parish councillors. These are not shown here.

Elected representative data is updated approximately monthly, so may not include recent by-elections or vacancies.

Government Statistical Services (GSS) data for SG1 6AX

CodeNameData TypeData ThemeActive SinceData Owner
E00119856 Output Areas Statistical Building Block 1 January 2009 ONS
E00169656 Output Areas Statistical Building Block 31 December 2011 ONS
E01023599 North Hertfordshire 005E Lower layer Super Output Areas Statistical Building Block 1 February 2004 ONS
E01033027 North Hertfordshire 005K Lower layer Super Output Areas Statistical Building Block 31 December 2011 ONS
E02004913 North Hertfordshire 005 Middle layer Super Output Areas Statistical Building Block 1 August 2004 ONS
E02007089 North Hertfordshire 017 Middle layer Super Output Areas Statistical Building Block 21 March 2021 ONS
E04012228 Great Ashby Civil Parishes Administrative 1 April 2012 DLUHC
E05015761 Great Ashby Electoral Wards/Divisions Administrative/Electoral 2 May 2024 DLUHC
E07000099 North Hertfordshire Non-metropolitan Districts Administrative 1 January 2009 DLUHC
E10000015 Hertfordshire Counties Administrative 1 January 2009 DLUHC
E12000006 East of England Regions Administrative 1 January 2009 DLUHC
E14001289 Hitchin Westminster Parliamentary Constituencies Electoral 4 July 2024 LGBC
E23000027 Hertfordshire Police Force Areas Other 1 January 2009 Home Office
E30000272 Stevenage and Welwyn Garden City Travel to Work Areas Other 31 July 2015 ONS
E33027347 Workplace Zones Census 31 December 2011 ONS
E37000048 Hertfordshire Local Enterprise Partnerships Other 1 April 2020 BEIS
E38000049 NHS East and North Hertfordshire CCG Sub Integrated Care Board Locations Health 1 April 2020 ODS
E40000007 East of England NHS England Regions Health 1 April 2019 ODS
E54000025 NHS Hertfordshire and West Essex Integrated Care Board Integrated Care Boards Health 1 July 2022 ODS
E56000035 East of England Cancer Alliances Health 1 April 2024 NHS England
E58000659 Royston West & Rural ED County Electoral Divisions Electoral 4 May 2017 DLUHC
E63011231 Stevenage Built Up Areas Census 17 April 2024 OS
E65000001 England Non-National Park Area England Non-National Park Area Census 27 February 2023 ONS
E92000001 England Country Administrative 1 January 2009 ONS

All public sector data is licensed under the Open Government Licence v2.0.

The UK Postcode Database is a Good Stuff website.

Page generated in 0.93 seconds. 216.73.216.136. Thu, 11 Jun 2026 23:20:53 +0100. Reticulating Splines.