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
40,248Searchable applications
321Recorded as pending
86%Approval rate · 33,744 approved or refused records
4,812Refused applications

28,932 approved · 4,812 refused · 2,213 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 6 Nov 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026

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 - GrantedN6/2010/0023/TC

    REDUCE HAWTHORN HEDGE IN HEIGHT AND LAYER LOWER LEVEL, REDUCE WHITEBEAM TREE BY 30% AND PRUNE TWO SILVER BIRCH TREES AND ONE CHERRY TREE BY 30%

    12 FORDWICH ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6EY

    Received 12 Jan 2010
  2. Decided - Granted6/2018/3241/COND

    Submission of details pursuant to condition 1( External Materials)on planning application 6/2018/2649/FULL

    Land at Briary Wood End Rear of 10 Heathbrow Road Welwyn AL6 0TD

    Received 20 Dec 2018
  3. Decided - Granted6/2020/0956/VAR

    Variation of conditions 1 (materials) and 6 (approved plans) on planning permission 6/2019/1053/FULL, dated 12/07/2019

    27 New Road Digswell Welwyn AL6 0AQ

    Received 28 Apr 2020
  4. Decided6/2017/1307/TPO

    Removal of Pine tree - Conservation Area

    133 The Vineyard Welwyn Garden City AL8 7PX

    Received 15 Jun 2017
  5. Decided - Granted6/2023/0353/TPO

    T2 - Hornbeam - Reduce in height by up to 4m and laterally by up to 3m to viable growth points

    21 Mornington Digswell Welwyn AL6 0AJ

    Received 15 Feb 2023
  6. Decided - Granted6/2025/0364/EM

    Replacement of windows to front and rear elevation with like for like window units

    28 Brockswood Lane Welwyn Garden City AL8 7BG

    Received 26 Feb 2025
  7. Decided - GrantedN6/2007/1290/FP

    PROPOSED REPLACEMENT GARAGE

    5 SHERRARDSPARK ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7JW

    Received 29 Aug 2007
  8. Decided - GrantedN6/2004/1412/TP

    WORK TO TREES, BEECH, SYCAMORE, 2 HORNBEAMS AND OAK, COVERED BY TPO 123

    Rear of 10 Birch Grove Welwyn AL6 0QP

    Received 17 Sept 2004
  9. Decided - GrantedS6/2008/0874/FP

    ERECTION OF SIDE CONSERVATORY

    152 Dragon Road Hatfield AL10 9NZ

    Received 4 Jun 2008
  10. Decided - Granted6/2021/0289/HOUSE

    Two storey rear extension & single storey side extension after demolition of existing garage plus front facing dormer to first floor

    130 Tolmers Road Cuffley Potters Bar EN6 4JR

    Received 1 Feb 2021
  11. Decided - Granted6/2015/2155/EM

    Removal of magnolia tree.

    32 Beehive Green, Welwyn Garden City, AL7 4BG

    Received 22 Oct 2015
  12. Decided - RefusedW6/2005/1537/EM

    ERECTION OF TWO STOREY REAR EXTENSION AND SINGLE STOREY SIDE EXTENSIONS

    33 Sherrardspark Road, Welwyn Garden City, AL8 7JW

    Received 12 Dec 2005
  13. Decided - Granted6/2024/2045/LAWP

    Certificate of lawfulness for garage conversion with alterations to fenestration

    22 Bacons Drive Cuffley Potters Bar EN6 4DU

    Received 23 Oct 2024
  14. Decided - Granted6/2020/2857/FULL

    Erection of 2 x three storey semi-detached houses following demolition of existing detached bungalow; re-submitted revision of Planning Approval 6/2018/0215/FULL to regularise siting relative to neighbours as begun to be built.

    73 Pine Grove Hatfield AL9 7BL

    Received 2 Nov 2020
  15. Decided - Granted6/2018/2354/FULL

    Alterations to shop front fenestration

    The Parkway Bar Parkway Welwyn Garden City AL8 6JQ

    Received 14 Sept 2018
  16. Decided - Granted6/2018/2477/COND

    Submission of details pursuant to condition 1 (Archaeological Written Scheme of Investigation) on planning permission 6/2018/1533/HOUSE

    5 Elmoor Avenue Welwyn AL6 9PG

    Received 26 Sept 2018
  17. Decided6/2022/2721/TC

    Weeping Beech in rear garden to south of property. 30% Crown reduction to balance

    1 Mimram Walk Welwyn AL6 9EZ

    Received 1 Dec 2022
  18. Decided - GrantedS6/2007/1476/FP

    ERECTION OF TWO STOREY SIDE AND REAR EXTENSIONS

    The Spinney 57A Great North Road Brookmans Park Hatfield AL9 6LA

    Received 4 Oct 2007
  19. Decided - GrantedS6/2008/1781/FP

    ERECTION OF SINGLE STOREY REAR EXTENSIONS TO NOS 13 & 15 AND TWO STOREY SIDE EXTENSION TO NO 13

    13 & 15 BLUEBRIDGE AVENUE, BROOKMANS PARK, HERTFORDSHIRE, AL9 7RY

    Received 17 Sept 2008
  20. Decided - GrantedC6/1987/7003/AD

    Replacement wooden framed sign

    St Francis Of Assisi Church Church Road Welwyn Garden City AL8 6QJ

    Received 1 Jan 1987
  21. Decided - WithdrawnN6/2013/2715/FP

    Erection of rear conservatory

    Parkside House 58 Mill Lane Welwyn AL6 9ES

    Received 20 Dec 2013
  22. Decided - Withdrawn6/2017/0602/EM

    Erection of two storey rear extension and first floor side extension with 4 rooflights, following the demolition of existing conservatory. Partial conversion of existing garage to form utility room.

    145 Boundary Lane Welwyn Garden City AL7 4EQ

    Received 24 Mar 2017
  23. Decided - Granted6/2025/0873/LAWP

    Certificate of lawfulness for the erection of a single storey rear extension following the demolition of existing conservatory

    26 Warrengate Road North Mymms Hatfield AL9 7TX

    Received 12 May 2025
  24. Decided - Granted6/2018/2182/EM

    Erection of a single storey side and rear extension, following demolition of existing conservatory

    55 Thistle Grove Welwyn Garden City AL7 4AD

    Received 22 Aug 2018

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

All planning guides
  • Understanding planning · 13 min read

    Planning application documents: what to read first

    Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.

  • Understanding planning · 13 min read

    Planning permission drawings: how to read plans

    Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.

  • Property research · 13 min read

    Planning approval rates: how to read council statistics

    Understand planning approval rates with an interactive calculator, worked examples and comparison table. Check sample sizes, outcomes and coverage before comparing.

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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