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| AL7 4SQ | Normal (geographic) postcodes | Large user postcodes |
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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.
Eddington Crescent - 72 properties, USRN 43025045
Chequers - 2 properties, USRN 43003574
Berwick Place - 1 property, USRN 43025047
Street names are those nearest to properties in this postcode, they are not necessarily the postal address
Latitude: 51.7857 / 51°47'8"N
Longitude: -0.2092 / 0°12'33"W
UTM Reference: 30U 692486 5740889
OS Easting: 523620
OS Northing: 211188
OS Grid: TL236111
Mapcode Local: GBR J97.V90
Mapcode Global: VHGPL.BC8X
Open Location Code: 9C3XQQPR+78
Maidenhead Locator System: IO91vs48
Urban/Rural Indicator: D1
ONS Population Classification: 6c2
Index of Multiple Deprivation (IMD): 18126 / 32844
Demographics are based on the LSOA containing this postcode and not necessarily this postcode alone
| Nautical twilight begins (First light) | 02:40 |
| Civil twilight begins (Dawn) | 03:54 |
| Sunrise | 04:42 |
| Transit (sun is at its highest) | 13:00 |
| Sunset | 21:18 |
| Civil twilight ends (Dusk) | 22:06 |
| Nautical twilight ends (Nightfall) | 23:21 |
| Hours of daylight today | 04:12 to 21:48 |
| Hours of darkness tonight
(lighting-up time) | 21:48 to 04:11 |
Moon Phase
| Waning Crescent |
| Moon Rises | 01:01 |
| Moon sets | 16:15 |
For a full sun and moon calendar for AL7 4SQ, go to The Time and Place
| Date | Address | Property Type | Tenure | Price | |
|---|---|---|---|---|---|
| 2 April 2024 | 74 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £470,000 | |
| 12 December 2023 | 6 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £525,000 | |
| 30 September 2022 | 52 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £340,000 | |
| 9 September 2022 | 104 Eddington Crescent, Welwyn Garden City AL7 4SQ | Semi-detached | Freehold | £510,000 | |
| 26 August 2022 | 46 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £338,000 | |
| 25 May 2022 | 102 Eddington Crescent, Welwyn Garden City AL7 4SQ | Semi-detached | Freehold | £475,000 | |
| 25 March 2022 | 6 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £460,000 | |
| 24 March 2022 | 86 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £427,700 | |
| 7 September 2021 | 62 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £350,000 | |
| 1 September 2021 | 60 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £410,000 | |
| 27 August 2021 | 96 Eddington Crescent, Welwyn Garden City AL7 4SQ | Semi-detached | Freehold | £455,000 | |
| 28 June 2021 | 28 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £250,000 | |
| 23 April 2021 | 124 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £420,000 | |
| 12 February 2021 | 80 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £410,000 | |
| 18 August 2020 | 32 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £235,000 | |
| 5 August 2020 | 76 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £415,000 | |
| 11 December 2019 | 60 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £390,000 | |
| 10 December 2019 | 38 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £217,000 | |
| 14 November 2019 | 142 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £247,000 | |
| 8 November 2019 | 22 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £219,000 | |
| 18 October 2019 | 42 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £270,000 | |
| 21 August 2019 | 62 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £297,000 | |
| 25 July 2019 | 92 Eddington Crescent, Welwyn Garden City AL7 4SQ | Semi-detached | Freehold | £440,000 | |
| 12 July 2019 | 54 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £297,000 | |
| 28 February 2019 | 106 Eddington Crescent, Welwyn Garden City AL7 4SQ | Semi-detached | Freehold | £420,000 | |
| 2 July 2018 | 44 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £360,000 | |
| 23 November 2017 | 128 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £435,000 | |
| 5 July 2017 | 6 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £425,000 | |
| 30 June 2017 | 90 Eddington Crescent, Welwyn Garden City AL7 4SQ | Semi-detached | Freehold | £470,000 | |
| 30 June 2017 | 6 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £430,000 | |
| 15 March 2017 | 126 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £445,000 | |
| 10 November 2016 | 66 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £290,000 | |
| 22 July 2016 | 62 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £292,000 | |
| 8 July 2016 | 20 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £252,000 | |
| 12 February 2016 | 12 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £166,370 | |
| 26 January 2016 | 76 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £380,000 | |
| 10 December 2015 | 28 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £230,000 | |
| 28 October 2015 | 70 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £365,000 | |
| 24 July 2015 | 30 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £230,000 | |
| 29 May 2015 | 82 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £365,050 | |
| 10 April 2015 | 78 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £365,000 | |
| 4 March 2015 | 12 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £160,000 | |
| 27 January 2015 | 26 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £212,000 | |
| 22 January 2015 | 14 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £203,000 | |
| 15 December 2014 | 18 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £205,000 | |
| 13 October 2014 | 80 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £346,000 | |
| 30 June 2014 | 142 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £199,000 | |
| 19 June 2014 | 96 Eddington Crescent, Welwyn Garden City AL7 4SQ | Semi-detached | Freehold | £350,000 | |
| 20 March 2014 | 48 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £215,000 | |
| 7 March 2014 | 58 Eddington Crescent, Welwyn Garden City AL7 4SQ | Semi-detached | Freehold | £295,000 | |
| 27 September 2013 | 128 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £300,000 | |
| 30 August 2013 | 56 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £284,950 | |
| 23 July 2013 | 86 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £275,000 | |
| 28 May 2013 | 42 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £185,000 | |
| 13 May 2013 | 126 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £275,000 | |
| 20 December 2012 | 74 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £250,000 | |
| 26 October 2012 | 96 Eddington Crescent, Welwyn Garden City AL7 4SQ | Semi-detached | Freehold | £280,000 | |
| 15 August 2012 | 20 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £180,000 | |
| 27 June 2012 | 24 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £165,000 | |
| 20 March 2012 | 66 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £190,000 | |
| 30 January 2012 | 70 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £270,000 | |
| 1 December 2011 | 64 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £185,000 | |
| 23 November 2011 | 124 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £281,500 | |
| 31 October 2011 | 134 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £170,000 | |
| 1 September 2011 | 104 Eddington Crescent, Welwyn Garden City AL7 4SQ | Semi-detached | Freehold | £310,000 | |
| 3 December 2010 | 50 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £193,688 | |
| 30 April 2010 | 48 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £179,000 | |
| 26 February 2010 | 54 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £180,000 | |
| 2 October 2009 | 132 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £175,000 | |
| 3 July 2009 | 102 Eddington Crescent, Welwyn Garden City AL7 4SQ | Semi-detached | Freehold | £270,000 | |
| 7 March 2008 | 62 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £212,000 | |
| 20 December 2007 | 16 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £191,500 | |
| 15 November 2007 | 28 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £204,950 | |
| 14 November 2007 | 38 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £198,000 | |
| 31 October 2007 | 30 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £214,950 | |
| 12 October 2007 | 66 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £205,500 | |
| 5 October 2007 | 2 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £309,950 | |
| 28 September 2007 | 6 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £294,950 | |
| 27 September 2007 | 4 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £285,950 | |
| 27 September 2007 | Cedar Mews, 2a, Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £274,960 | |
| 30 July 2007 | 124 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £288,950 | |
| 29 June 2007 | 8 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £324,950 | |
| 29 June 2007 | 134 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £186,500 | |
| 29 June 2007 | 10 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £349,950 | |
| 3 May 2007 | 70 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £285,250 | |
| 19 April 2007 | 126 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £269,950 | |
| 13 April 2007 | 88 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £270,000 | |
| 5 April 2007 | 128 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £299,950 | |
| 12 January 2007 | 98 Eddington Crescent, Welwyn Garden City AL7 4SQ | Semi-detached | Freehold | £334,995 | |
| 21 December 2006 | 106 Eddington Crescent, Welwyn Garden City AL7 4SQ | Semi-detached | Freehold | £322,500 | |
| 19 December 2006 | 102 Eddington Crescent, Welwyn Garden City AL7 4SQ | Semi-detached | Freehold | £260,000 | |
| 15 December 2006 | 104 Eddington Crescent, Welwyn Garden City AL7 4SQ | Semi-detached | Freehold | £325,000 | |
| 30 November 2006 | 82 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £289,950 | |
| 3 November 2006 | 100 Eddington Crescent, Welwyn Garden City AL7 4SQ | Semi-detached | Freehold | £273,500 | |
| 27 October 2006 | 134 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £169,950 | |
| 25 October 2006 | 138 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £180,000 | |
| 23 October 2006 | 74 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £268,000 | |
| 20 October 2006 | 78 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £272,150 | |
| 6 October 2006 | 142 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £193,950 | |
| 6 October 2006 | 80 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £264,950 | |
| 5 October 2006 | 140 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £175,000 | |
| 29 September 2006 | 132 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £177,650 | |
| 28 September 2006 | 136 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £187,000 | |
| 11 September 2006 | 84 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £294,995 | |
| 25 August 2006 | 96 Eddington Crescent, Welwyn Garden City AL7 4SQ | Semi-detached | Freehold | £304,995 | |
| 22 August 2006 | 92 Eddington Crescent, Welwyn Garden City AL7 4SQ | Semi-detached | Freehold | £354,995 | |
| 14 August 2006 | 86 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £294,995 | |
| 28 July 2006 | 90 Eddington Crescent, Welwyn Garden City AL7 4SQ | Semi-detached | Freehold | £359,995 | |
| 28 July 2006 | 94 Eddington Crescent, Welwyn Garden City AL7 4SQ | Semi-detached | Freehold | £304,000 | |
| 29 June 2006 | 46 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £192,653 | |
| 23 June 2006 | 76 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £271,301 | |
| 28 April 2006 | 22 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £164,950 | |
| 28 April 2006 | 16 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £161,950 | |
| 28 April 2006 | 54 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £184,950 | |
| 21 April 2006 | 66 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £193,950 | |
| 31 March 2006 | 26 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £189,950 | |
| 31 March 2006 | 12 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £159,950 | |
| 28 March 2006 | 24 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £182,950 | |
| 24 March 2006 | 72 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £284,950 | |
| 10 March 2006 | 64 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £189,950 | |
| 10 March 2006 | 50 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £189,950 | |
| 28 February 2006 | 18 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £170,652 | |
| 28 February 2006 | 14 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £168,102 | |
| 28 February 2006 | 20 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £179,950 | |
| 31 January 2006 | 34 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £164,950 | |
| 4 January 2006 | 60 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £249,950 | |
| 22 December 2005 | 44 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £239,950 | |
| 20 December 2005 | 42 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £176,950 | |
| 20 December 2005 | 68 Eddington Crescent, Welwyn Garden City AL7 4SQ | Semi-detached | Freehold | £249,950 | |
| 16 December 2005 | 62 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £194,950 | |
| 14 December 2005 | 38 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £158,950 | |
| 14 December 2005 | 32 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £154,950 | |
| 8 December 2005 | 52 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £189,950 | |
| 8 December 2005 | 58 Eddington Crescent, Welwyn Garden City AL7 4SQ | Semi-detached | Freehold | £249,950 | |
| 1 December 2005 | 36 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £173,210 | |
| 30 November 2005 | 40 Eddington Crescent, Welwyn Garden City AL7 4SQ | Flat/apartment | Leasehold | £166,950 | |
| 25 November 2005 | 48 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £184,950 | |
| 1 November 2005 | 56 Eddington Crescent, Welwyn Garden City AL7 4SQ | Terraced (including end-of-terrace) | Freehold | £249,950 |
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. |
Welwyn Hatfield
Andrew Lewin Labour
Welwyn Garden City South
Mark Biddle Reform UK
Hollybush
Margaret Birleson Labour
Lynn Chesterman Labour
Alan Chesterman Labour
Elected representative data is updated approximately monthly, so may not include recent by-elections or vacancies.
| Code | Name | Data Type | Data Theme | Active Since | Data Owner |
|---|---|---|---|---|---|
| E00121573 | Output Areas | Statistical Building Block | 1 January 2009 | ONS | |
| E00173225 | Output Areas | Statistical Building Block | 31 December 2011 | ONS | |
| E01023941 | Welwyn Hatfield 009C | Lower layer Super Output Areas | Statistical Building Block | 1 February 2004 | ONS |
| E01035607 | Welwyn Hatfield 009F | Lower layer Super Output Areas | Statistical Building Block | 21 March 2021 | ONS |
| E02004988 | Welwyn Hatfield 009 | Middle layer Super Output Areas | Statistical Building Block | 1 August 2004 | ONS |
| E05011065 | Hollybush | Electoral Wards/Divisions | Administrative/Electoral | 5 May 2016 | DLUHC |
| E07000241 | Welwyn Hatfield | Non-metropolitan Districts | Administrative | 1 April 2012 | DLUHC |
| E10000015 | Hertfordshire | Counties | Administrative | 1 January 2009 | DLUHC |
| E12000006 | East of England | Regions | Administrative | 1 January 2009 | DLUHC |
| E14001573 | Welwyn Hatfield | 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 |
| E33027651 | 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 |
| E43000083 | Welwyn Hatfield, unparished area | Non-Civil Parished Areas | Census | 31 December 2011 | ONS |
| 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 |
| E58000676 | Welwyn Garden City South ED | County Electoral Divisions | Electoral | 4 May 2017 | DLUHC |
| E63011463 | Welwyn Garden City | 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 |