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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
40,017Searchable applications
298Recorded as pending
86%Approval rate · 33,559 approved or refused records
4,792Refused applications

28,767 approved · 4,792 refused · 2,199 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 29 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 Counts reflect the last collected status; some records may be out of date.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. Decided - GrantedN6/2007/0621/FP

    ERECTION OF TWO STOREY SIDE EXTENSION

    5 Picketts Welwyn Garden City AL8 7HJ

    Received 19 Apr 2007
  2. Decided - GrantedN6/2004/0554/FP

    ERECTION OF TWO STOREY REAR EXTENSION

    56 Great North Road Welwyn Garden City AL8 7TL

    Received 7 Apr 2004
  3. Decided - RefusedN6/2014/0749/FP

    Conversion of garage to habitable accommodation and infill to existing canopy to create a porch

    35 Somersham, Welwyn Garden City, AL7 2PZ

    Received 2 Apr 2014
  4. Decided - Granted6/2021/2462/COND

    Submission of details pursuant to conditions 3 (hard and soft landscaping) and 6 (biodiversity enhancements) on planning permission 6/2020/1251/FULL

    Primrose Cottage Kentish Lane Hatfield AL9 6EE

    Received 23 Aug 2021
  5. Decided6/2021/0166/TC

    2 x Ash trees - reduce crown by 40%

    64 Attimore Road Welwyn Garden City AL8 6LP

    Received 20 Jan 2021
  6. Decided - GrantedS6/2006/0104/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    33 Green Lanes Hatfield AL10 9JU

    Received 25 Jan 2006
  7. Decided - Granted6/2019/0778/TC

    Reduce Hornbeam tree by 33% and balance Reduce crown Laurel tree by 33% and lift crown Reduce crown Yew tree by 4-5ft and cut out dead wood, covered by conservation area

    33 Church Street Welwyn AL6 9LP

    Received 1 Apr 2019
  8. Decided - Granted6/2024/0499/HOUSE

    Erection of part single, part two-storey rear extension with insertion of two new openings to side elevation

    1 Wheatley Close Welwyn Garden City AL7 3LJ

    Received 14 Mar 2024
  9. Decided - RefusedN6/2009/0601/FP

    ERECTION OF FIRST FLOOR SIDE EXTENSION AND TWO STOREY AND SINGLE STOREY REAR EXTENSION

    104 Sloansway, Welwyn Garden City, AL7 1ND

    Received 25 Mar 2009
  10. Decided - GrantedS6/2006/0653/FP

    ERECTION OF SINGLE STOREY AND TWO STOREY SIDE EXTENSION AND SINGLE STOREY REAR CONSERVATORY

    167 Bishops Rise Hatfield AL10 9EP

    Received 19 May 2006
  11. Decided - RefusedN6/2008/2325/LU

    CERTIFICATE OF LAWFULNESS FOR THE EXISTING USE AS A TAXI OFFICE

    UNIT 4E, PEARTREE FARM, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3UW

    Received 28 Nov 2008
  12. Decided - Refused6/2020/0261/LAWP

    Certificate of lawfulness for the erection of rear infill extension

    30 Carbone Hill Northaw Potters Bar EN6 4PN

    Received 29 Jan 2020
  13. Decided - RefusedS6/2012/1438/DS

    Discharge of conditon 4 (materials), 5 (landscaping), 6 (tree protection), 7 (contamination), 8 (noise), 9 (cycle parking), 11 (archaeology), 14 (drainage strategy), 16 (site compound), 17 (contractor parking), 27 (operational noise) of planning permission S6/2012/0217/MA

    Plot 4000, Hatfield Business Park, HATFIELD, AL10 9TW

    Received 21 Jul 2012
  14. Decided - GrantedN6/2015/0033/TC

    Removal of Two Poplar trees

    23 Barleycroft Road, Welwyn Garden City, AL8 6JX

    Received 12 Jan 2015
  15. Decided - Granted6/2023/0155/COND

    Submission of details pursuant to conditions 1 (External materials), 2 (Proposed crown roof details) and 8 (Planting Scheme) on planning permission 6/2022/2072/HOUSE

    21 Barleycroft Road Welwyn Garden City Hertfordshire AL8 6JX

    Received 23 Jan 2023
  16. Decided - Granted6/2018/0974/PN9

    Prior approval for change of use from shop and incidental storage (A1) to two dwellings (C3)

    6 Crawford Road Hatfield AL10 0PG

    Received 13 Apr 2018
  17. Decided - SplitN6/2014/0351/TP

    Reduce and shape T3 oak by 25%, equating to 2-3mtr in linear length. Fell hornbeam and oak covered by TPO 89 G1.

    11 Bluebells Welwyn AL6 0XD

    Received 14 Feb 2014
  18. Decided - WithdrawnW6/2006/0355/EM

    CREATION OF NEW SIDE ACCESS

    138 Parkway, Welwyn Garden City, AL8 6HP

    Received 21 Mar 2006
  19. Decided - Granted6/2026/1046/EM

    Installation of solar panels to side facing roof and rear extension flat roof and EV charger to front of house

    67 Newfields Welwyn Garden City AL8 6YS

    Received 16 Jun 2026
  20. Decided - GrantedS6/2008/0763/FP

    ERECTION OF PART SINGLE STOREY AND PART TWO STOREY SIDE EXTENSION

    20 TOLMERS GARDENS, CUFFLEY, HERTFORDSHIRE, EN6 4JE

    Received 6 May 2008
  21. Decided - Granted6/2024/0839/LAWP

    Certificate of lawfulness for loft conversion with rear flat roof dormer and insertion of rooflights to existing front facing roof

    18 Great Ley Welwyn Garden City AL7 4TR

    Received 3 May 2024
  22. Decided - Refused6/2018/0193/LAWP

    Certificate of lawfulness for loft conversion and erection of rear dormer

    7 Strawmead Hatfield AL10 0JG

    Received 22 Jan 2018
  23. Decided - Granted6/2017/1231/TPO

    Reduce Oak Tree between 2-3 metres to property boundary- Conservation Area

    2 Scotts View Welwyn Garden City AL8 6HF

    Received 6 Jun 2017
  24. Decided6/2020/2556/TC

    1 x Sycamore to lift branches over building by 2m. Remove stem growing over Privet hedge. Lift limbs over rear boundary to 4.5m above ground level. Remove 2 x secondary limbs over number 18 covered by conservation area

    16 Barleycroft Road Welwyn Garden City AL8 6JU

    Received 2 Oct 2020

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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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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