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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
40,297Searchable applications
283Recorded as pending
86%Approval rate · 33,821 approved or refused records
4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 9 Nov 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 Counts reflect the last collected status; some records may be out of date.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. Decided - Granted6/2018/0751/LAWP

    Certificate of lawfulness for change of use from garage to work room for Florist Business

    169 Boundary Lane Welwyn Garden City AL7 4EQ

    Received 21 Mar 2018
  2. Decided - Refused6/2024/2290/LAWP

    Certificate of lawfulness for proposed formation of dormer windows to both side roofslopes

    29 Georges Wood Road Brookmans Park AL9 7BY

    Received 28 Nov 2024
  3. Decided - GrantedS6/2015/1120/AD

    Replacement of existing signage with backlit illuminated signage

    35 Dellsome Lane, Welham Green, Hatfield, AL9 7DY

    Received 12 Jun 2015
  4. Decided - Granted6/2018/0689/COND

    Submission of details pursuant to condition 1 (material samples) on planning permission 6/2017/0974/HOUSE, dated 13/07/2017 and condition 5 (material samples) on planning permission 6/2017/0982/EM, dated 13/07/2017

    43 Newfields Welwyn Garden City AL8 6YS

    Received 12 Mar 2018
  5. Decided - GrantedS6/2007/0958/FP

    INSTALLATION OF AIR CONDITIONING PLANT

    Former Public House 59 Station Road Cuffley Potters Bar EN6 4HX

    Received 22 Jun 2007
  6. Decided - GrantedC6/1988/1186/FP

    Single storey side and rear extension to provide accommodation for a dependent relative

    8 Youngs Rise, Welwyn Garden City, AL8 6RU

    Received 1 Jan 1988
  7. Decided - Granted6/2015/1852/TC

    Removal of Oak tree - Conservation Area.

    10 Sherrardspark Road, Welwyn Garden City, AL8 7JP

    Received 2 Sept 2015
  8. Decided - Granted6/2016/2679/TPO

    Fell Thorn tree, Thin Ash tree by 15% and remove deadwood and thin Hornbeam by 15% and lift by 3 metres - Conservation Area

    28 Guessens Road Welwyn Garden City AL8 6RA

    Received 19 Dec 2016
  9. Decided - Granted6/2018/1441/COND

    Submission of details pursuant to condition 1 material samples (construction of external surfaces)on planning application 6/2018/0332/HOUSE, dated 02/05/2018

    11 Wilkins Green Lane Hatfield AL10 9RT

    Received 25 May 2018
  10. Decided - GrantedN6/2015/1039/DS

    Approval of details reserved by condition 26 (noise levels) of planning permission N6/2012/1778/OP

    Former The Frythe 5 Digswell Hill Welwyn AL6 9AR

    Received 20 May 2015
  11. Decided - Granted6/2017/2392/EM

    Retention of conservatory

    451 Howlands Welwyn Garden City AL7 4HP

    Received 18 Oct 2017
  12. Decided - Withdrawn6/2022/1906/FULL

    Erection of single bridge over the leat to the River Lea, following removal of two existing bridges and erection of balustrade to river terrace

    Bush Hall Hotel Chequers Hatfield AL9 5NT

    Received 16 Aug 2022
  13. Decided6/2018/0128/TPO

    Fell 2 x Hollies - Conservation Area

    48 Valley Road Welwyn Garden City AL8 7DN

    Received 15 Jan 2018
  14. Decided - GrantedS6/2013/2621/FP

    Erection of two storey rear and single storey rear extensions

    70 Bell Lane, Brookmans Park, Hatfield, AL9 7AY

    Received 12 Dec 2013
  15. Decided - Granted6/2023/1245/EM

    Installation of an external air-conditioning unit at the rear of the property

    5 Youngs Rise Welwyn Garden City AL8 6RT

    Received 13 Jun 2023
  16. Decided - Granted6/2018/0139/HOUSE

    Erection of single storey rear and side extension, following demolition of existing rear conservatory, car port and rear outbuilding.

    3 Birchwood Avenue Hatfield AL10 0PL

    Received 16 Jan 2018
  17. Decided - Granted6/2024/1879/EMT

    T1 x Corkscrew willow to reduce by 2m in height and 1.2m in width T1 x Robinia to reduce by 1.5m in both height and width

    108 Handside Lane Welwyn Garden City AL8 6SY

    Received 30 Sept 2024
  18. Decided - GrantedW6/2007/0520/EM

    ERECTION OF REAR SUMMERHOUSE.

    P H SURGICALS, 245 Heronswood Road, Welwyn Garden City, AL7 3JH

    Received 28 Mar 2007
  19. Decided - GrantedW6/2014/1135/EM

    Formation of Vehicle hardstanding and lowering of Kerb

    19 Flexley Wood, Welwyn Garden City, AL7 1NT

    Received 21 May 2014
  20. Decided - Refused6/2017/0661/HOUSE

    Erection of ground floor rear extension and first floor side extension over existing ground floor

    11 Longcroft Lane Welwyn Garden City AL8 6EB

    Received 3 Apr 2017
  21. Decided - Granted6/2021/1212/EM

    Infill of front covered area, part garage conversion to include raising of existing roof/parapet and insertion of roof light and bi-folding doors.

    53 Bridge Road Welwyn Garden City AL8 6UH

    Received 14 Apr 2021
  22. DecidedN6/2009/1225/TE

    FORMATIVE PRUNNING OF CROWN ON SILVER BIRCH TREE

    LAND ADJACANT TO, 21 HURSTLINGS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3LX

    Received 22 Jun 2009
  23. Decided - WithdrawnN6/2005/1407/FP

    DEMOLITION OF EXISTING DWELLINGS AND ERECTION OF 24 TWO BED FLAT UNITS IN THREE BUILDINGS, 3 STOREY HEIGHT

    48-54 BRIDGE ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE

    Received 9 Nov 2005
  24. Decided - Granted6/2023/1215/EMT

    1 x Elm (dead) to dismantle in sections to ground level 1 x Ash to reduce by around 2m and remove deadwood - large and dominating over garden and patio, lots of bird droppings and growing over neighbouring property and garden -1 x Silver birch to reduce back from property by approximately 1.2m - Excessively Growing up against the house

    100 Ridgeway Welwyn Garden City AL7 2DA

    Received 8 Jun 2023

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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