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England · Local authority

Welwyn Hatfield planning applications

PlanningTrack collects planning applications and decisions from the public planning register of Welwyn Hatfield Borough Council. Search an address, application reference or proposal. Official Welwyn Hatfield website

Collected application statistics

Collected records · All available dates
40,118Searchable applications
300Recorded as pending
86%Approval rate · 33,650 approved or refused records
4,801Refused applications

28,849 approved · 4,801 refused · 2,206 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 31 Oct 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026
Planning information Planning and buildingLocal plan Our Local PlanPre-application advice Pre-application advice (planning applications)Conservation areas Schedule of properties removed from the Welwyn Conservation AreaArticle 4 directions Article 4 Directions

Conservation areas and Article 4 directions

Explore published planning boundaries and follow their source records for designation details. Coverage varies: an empty map does not mean there are no restrictions. Check the council’s current maps and documents before relying on a boundary.

Conservation areas9 mapped area records
Article 4 direction areasNo boundary records available in this collection

Interactive planning map loads with JavaScript. Dataset sources are linked below.

Download Article 4 coverage for all authorities (CSV)

Data downloaded 14 Sept 2026. Display boundaries are simplified and indicative. Map record counts are not a complete count of designations or directions.

Sources: Planning Data conservation areas and Article 4 direction areas. Contains public sector information licensed under the Open Government Licence v3.0.

More application records

  1. Appeal Decided - Dismissed6/2016/1386/HOUSE

    Erection of first floor front and side extension including installation of suntubes to existing front elevation

    113 The Ryde, Hatfield, AL9 5DP

    Received 8 Jul 2016
  2. Decided - Refused6/2020/1513/HOUSE

    Erection of part single part two storey front and rear extensions and loft conversion

    18 Moffats Lane Brookmans Park Hatfield AL9 7RU

    Received 25 Jun 2020
  3. Decided6/2022/2382/TC

    To remove Fir tree in front garden 2 metres from the house

    33 Sherrardspark Road Welwyn Garden City Hertfordshire AL8 7JW

    Received 13 Oct 2022
  4. Decided - Granted6/2025/1045/EM

    Installation of solar panels and heat pump

    40 Colgrove Welwyn Garden City AL8 6HU

    Received 2 Jun 2025
  5. Decided - Withdrawn6/2019/1834/TPO

    Reduce 1x Oak Tree by 20% Covered by TPO 930(2018)

    6 Ashley Close Welwyn Garden City AL8 7LH

    Received 22 Jul 2019
  6. Decided - Granted6/2026/1144/EMT

    Removal of dead Ash tree in the back of the garden- 5 day Notice

    74 Valley Road Welwyn Garden City AL8 7DP

    Received 1 Jul 2026
  7. Decided - Granted6/2023/1989/EM

    Erection of a single-storey side/rear extension, part single, part two-storey extension, installation of solar panels to rear and side of roof, extension of existing driveway, insertion of first floor side window following the demolition of existing garage

    11 Brockswood Lane Welwyn Garden City AL8 7BA

    Received 27 Sept 2023
  8. Decided - GrantedC6/1987/0453/FP

    Single storey and first floor side extension

    7 Long Ley, Welwyn Garden City, AL7 2HE

    Received 1 Jan 1987
  9. Decided - Granted6/2024/0835/LAWP

    Certificate of lawfulness for the installation of a temporary classroom pod

    Ponsbourne St Marys C Of E Vc Primary School 55 Newgate Street Village Hertford SG13 8RA

    Received 2 May 2024
  10. Decided - GrantedS6/2015/0461/FP

    Erection of a home shopping van loading canopy and 'Click & Collect' canopy and installation of external refrigeration and freezer units and erection of a 2.4m palisade fence.

    Asda Superstore, 98 Town Centre, Hatfield, AL10 0JW

    Received 4 Mar 2015
  11. Decided - GrantedS6/2004/1289/FP

    INSTALLATION OF EXTERNAL FLUE TO REAR OF EXISTING TAKE AWAY

    36 Station Road Cuffley Potters Bar EN6 4HE

    Received 24 Aug 2004
  12. Decided - Granted6/2015/2492/HOUSE

    Replacement of a flat roofed single storey extension with a two storey brick extension together with a new porch, internal alterations and improvements, to demolish the existing garage and store and construct a new garage.

    Lower Meadow, Hill Farm Lane, Welwyn, AL6 9BW

    Received 17 Dec 2015
  13. Decided - Granted6/2020/0269/HOUSE

    Erection of a single storey rear and side extension, alterations to fenestration, erection of 1.8m high metal gate and a 1.8m high boundary wall following demolition of detached shed

    7 Mimram Walk Welwyn AL6 9EZ

    Received 30 Jan 2020
  14. Decided - Granted6/2025/2442/HOUSE

    Erection of a part single and part two storey rear extension, alterations to fenestration and erection of a detached outbuilding

    133 Handside Lane Welwyn Garden City AL8 6TA

    Received 21 Nov 2025
  15. Under Consideration6/2022/1126/EM

    Replacement rear doors and windows with new sliding doors and windows, removal of side french doors and insertion of new window, installation of rooflight to existing rear flat roof

    13 Mandeville Rise Welwyn Garden City AL8 7JT

    Received 16 May 2022
  16. Decided - Refused6/2026/0441/PN14

    Prior approval for demolition to remove the existing small industrial building and allow the site to be levelled and resurfaced in tarmac, creating a storage area to support the adjoining industrial units

    6 South Mundells Welwyn Garden City AL7 1EP

    Received 10 Mar 2026
  17. Decided6/2026/1366/TC

    Reduction of dead branches to Pear tree, reduction in size and shaping to Magnolia tree and small reduction in size to Ligustrum Japonicum tree; shown in pink hatch on plan Ligustrum Japonicum tree – reduction 10% Magnolia tree – reduction 25% Pear tree – reduction 20%

    4 Handside Green Welwyn Garden City AL8 6SQ

    Received 3 Aug 2026
  18. Decided - GrantedW6/2015/0978/TE

    Removal of Flowering Cherry tree

    18 Guessens Road, Welwyn Garden City, AL8 6QR

    Received 7 May 2015
  19. Decided - Granted6/2016/1537/EM

    Conversion of garage and installation of 1no. rooflight

    20 Great Break, Welwyn Garden City, AL7 3EZ

    Received 27 Jul 2016
  20. Decided - WithdrawnS6/2005/1344/FP

    ERECTION OF TWO STOREY SIDE EXTENSION

    14 The Holdings Hatfield AL9 5HQ

    Received 24 Oct 2005
  21. Decided - Granted6/2026/0706/LAWP

    Certificate of lawfulness to certify that proposed works to carry on and complete the erection of a two bedroom dwelling house with parking and courtyard garden following the demolition of existing stable/barn buildings, realignment of existing access track and new planting and habitat enhancement within the surrounding paddock/woodland approved under planning permission 6/2023/0229/FULL dated 21 April 2023 would be lawful

    Blue Moon Paddock Woodfield Lane Brookmans Park AL9 6JJ

    Received 21 Apr 2026
  22. Decided - Granted6/2021/2576/EM

    Erection of a single storey rear extension.

    8 Heather Road Welwyn Garden City AL8 6XU

    Received 3 Sept 2021
  23. Decided - GrantedN6/2014/2008/FP

    Change of use to operational railway to facilitate installation of electricity feeder station

    Land to the west, Chequersfield, Welwyn Garden City, AL7 4TU

    Received 10 Sept 2014
  24. Decided - GrantedN6/2013/2526/OR

    Prior approval for change of use of first floor from (Use Class B1a) office building to 1x1 bed flat (Use Class C3)

    30 High Street, Welwyn, AL6 9EQ

    Received 28 Nov 2013

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

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Researching a proposal in Welwyn Hatfield Borough Council

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How to search planning applications

Guides to planning records

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What these statistics cover

These figures describe applications collected by PlanningTrack for Welwyn Hatfield Borough Council, across all dates currently available. They are a partial dataset, rather than an authority-wide performance measure. The date range does not establish continuous historical coverage.

The approval percentage is approved records divided by approved plus refused records. Pending, withdrawn and unknown outcomes are excluded. No percentage is shown until there is an approved or refused record.

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