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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
322Recorded as pending
86%Approval rate · 33,788 approved or refused records
4,816Refused applications

28,972 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2017/1847/EM

    Prune two lime trees back to previous pruning points and crown lift both trees to 3m to abate encroachment over neighbouring rear gardens

    36 Blakemere Road Welwyn Garden City AL8 7PJ

    Received 14 Aug 2017
  2. Decided - Granted6/2018/1263/PN8

    Prior approval for the erection of a single storey rear extension measuring 4.5m in depth, 3.129m in height and 2.706m to the eaves

    34 Hyde Way Welwyn Garden City AL7 3AE

    Received 9 May 2018
  3. Decided - Refused6/2024/0092/FULL

    Change of use from amenity land to private residential driveway, formation of hardstanding to accommodate two cars with vehicle crossover and installation of electric car charging point at the front following closing of the existing rear driveway

    2 Vigors Croft Hatfield AL10 9HD

    Received 15 Jan 2024
  4. Decided - GrantedS6/2015/1436/HOUSE

    Erection of single storey rear extension

    4 Glebeland Hatfield AL10 8AA

    Received 6 Jul 2015
  5. Decided - Granted6/2025/2616/EMT

    1 x Apple to reduce by around 2m height and width. 1 x Holly to reduce by round 1m.

    22 Dellcott Close Welwyn Garden City AL8 7BD

    Received 23 Dec 2025
  6. Decided - GrantedW6/2008/0967/EM

    ERECTION OF REAR CONSERVATORY AND REAR BOUNDARY WALLS

    14 BROCKSWOOD LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7BG

    Received 24 Jun 2008
  7. Decided - Split6/2024/0868/COND

    Submission of details pursuant of Conditions 1 (Materials) and 3 (Landscaping) on planning permission 6/2020/1588/FULL

    48 Bradmore Way Hatfield AL9 7QX

    Received 8 May 2024
  8. Decided - Granted6/2023/2353/EMT

    1 x Oak tree to crown reduce by 2-3m and remove any major deadwood in rear garden

    25 Rosedale Welwyn Garden City AL7 1DW

    Received 22 Nov 2023
  9. Decided - Granted6/2020/2527/FULL

    Demolition of existing property and erection of two storey single dwelling with gable roof, front and rear dormers and external raised terrace.

    12 King James Avenue Cuffley Potters Bar EN6 4LR

    Received 1 Oct 2020
  10. Decided - GrantedN6/2004/0944/FP

    ERECTION OF 2 TWO STOREY SIDE EXTENSIONS AND INSTALLATION OF REAR DORMER

    18 London Road Woolmer Green Knebworth SG3 6JP

    Received 21 Jun 2004
  11. Decided - Granted6/2021/1882/PN8

    Prior approval for the erection of a single storey rear extension measuring 8m in depth, 3m in height and 3m to the eaves.

    133 The Ridgeway Cuffley Potters Bar EN6 4BG

    Received 21 Jun 2021
  12. Decided - WithdrawnC6/1987/7019/AD

    Illuminated signs

    Black Fan Road, Welwyn Garden City, AL7 1QA

    Received 1 Jan 1987
  13. Decided - GrantedS6/2015/0805/FP

    Erection of single storey rear extension and two storey rear infill extension

    21 Tolmers Road, Potters Bar, EN6 4JF

    Received 13 Apr 2015
  14. Decided - Granted6/2025/2068/LAWP

    Certificate of lawfulness for a proposed loft conversion incorporating rear dormer, front rooflights and hip to gable roof extension

    79 Holloways Lane Welham Green Hatfield AL9 7NU

    Received 29 Sept 2025
  15. Decided - GrantedS6/2015/1380/FULL

    Installation of timber fence, formation of footpath and associated landscaping works

    University of Hertfordshire, University of Hertfordshire, College Lane, Hatfield, AL10 9AB

    Received 26 Jun 2015
  16. Decided - GrantedS6/2015/0852/NM

    Non material amendment following approval of planning permission S6/2014/1407/FP - addition of external stair to serve basement level for fire escape and pool plant room access. Addition of obscured glazed window to serve en-suite bathroom at first floor level. Enlarge window to master bedroom on first floor level and to reconfigure internal layout

    21 The Ridgeway, Potters Bar, EN6 4BB

    Received 21 Apr 2015
  17. Decided - GrantedW6/2009/2532/EM

    ERECTION OF A PART SINGLE STOREY, PART TWO STOREY SIDE EXTENSION AND SINGLE STOREY REAR EXTENSION, AND ALTERATION TO FENESTRATION IN FIRST FLOOR REAR ELEVATION

    93 OAKDALE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7QP

    Received 2 Dec 2009
  18. Decided - Withdrawn6/2016/0873/EM

    Erection of single storey rear extension

    79 Longcroft Lane, Welwyn Garden City, AL8 6EL

    Received 28 Apr 2016
  19. Decided - Granted6/2022/2543/EMT

    Removal of old apple tree as it is dangerous and at risk of falling

    26 Dellcott Close Welwyn Garden City AL8 7BD

    Received 7 Nov 2022
  20. Decided - GrantedS6/2004/0733/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION; EXTENSION TO ROOF FOR HABITABLE ACCOMMODATION WITH NEW DORMER WINDOWS

    40 Westland Drive Brookmans Park Hatfield AL9 7UQ

    Received 14 May 2004
  21. Decided - Granted6/2017/1046/TPO

    Removal of Plum tree - Conservation Area - Dead & Dangerous

    8 Attimore Close Welwyn Garden City AL8 6LN

    Received 10 May 2017
  22. Decided - Granted6/2026/1459/HOUSE

    Erection of annexe

    16 Oak Road Woolmer Green SG3 6LS

    Received 19 Aug 2026
  23. Decided6/2020/2005/TC

    Reduce Oak (TA) back to boundary with 37 Woodland rise removing approximately 3-4m of material. Trim Hornbeam (TB) back to boundary with 37 Woodland rise removing approximately 1-2m of material.

    39 Woodland Rise Welwyn Garden City AL8 7LJ

    Received 11 Aug 2020
  24. Decided - Granted6/2025/0832/LB

    Repair existing window frames, replace existing single glazing with slimline double glazing within existing timber frames and replace the ground floor side elevation window with a side hung casement.

    The Old Rectory 23-25 Mill Lane Welwyn AL6 9EU

    Received 1 May 2025

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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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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