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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
35,738Searchable applications
331Recorded as pending
86%Approval rate · 29,775 approved or refused records
4,036Refused applications

25,739 approved · 4,036 refused · 1,872 withdrawn. Received dates in our records: 29 Apr 1948 to 16 Oct 2026. Most recent record check: 23 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2021/3159/EMH

    Erection of a single storey side extension on first floor and insertion of 1 x roof light into existing roof

    52 Woodland Rise Welwyn Garden City AL8 7LF

    Received 4 Nov 2021
  2. Decided - GrantedS6/2013/2571/FP

    Erection of front porch

    4 Bradmore Way, Brookmans Park, Hatfield, AL9 7QX

    Received 2 Dec 2013
  3. Decided - Granted6/2016/2652/HOUSE

    Erection of rear infill extension with alterations to openings

    143 Tolmers Road Cuffley Potters Bar EN6 4JW

    Received 13 Dec 2016
  4. Decided - Granted6/2023/0221/EMT

    Crown reduction of Beech tree by 25%

    4 Handside Green Welwyn Garden City AL8 6SQ

    Received 30 Jan 2023
  5. Decided - Granted6/2018/1078/EM

    Erection of a single storey rear extension following demolition of existing conservatory. Erection of canopy following demolition of existing canopy and installation of rear patio

    15 Eastor Welwyn Garden City AL7 1PN

    Received 25 Apr 2018
  6. Decided - Granted6/2016/0481/TPO

    Removal of a Coast Redwood tree (Sequoia Sempervirens) covered by TPO 450

    9 Reeves Court Welwyn AL6 9FU

    Received 24 Mar 2016
  7. Decided - Granted6/2016/1919/HOUSE

    Erection of two storey rear and single storey side extension

    20 Hillside Way Welwyn AL6 0TY

    Received 12 Sept 2016
  8. Decided - Refused6/2020/1668/EMT

    Fell 1 x Ash tree

    125 Sweet Briar Welwyn Garden City AL7 3EB

    Received 10 Jul 2020
  9. Decided - Granted6/2017/0542/EM

    Erection of a single storey rear extension with rear garden glazing (French sliding/folding doors), flat roof and the installation of 2 rooflights.

    37 Springfields Welwyn Garden City AL8 6XT

    Received 15 Mar 2017
  10. Decided - Granted6/2021/2604/LAWP

    Lawful development certificate for erection of single storey side and rear extensions and replacing part of roof with a new pitched roof

    The Old Cottage 10B Hawkshead Lane Hatfield AL9 7TB

    Received 7 Sept 2021
  11. Decided - GrantedW6/2013/2399/TE

    Pollard Willow tree by 35%

    163 Handside Lane, Welwyn Garden City, AL8 6TA

    Received 30 Oct 2013
  12. Decided - Granted6/2023/2422/TPO

    Reduce canopy of 2 Silver Birch trees by 30-40% and remove all deadwood. Trees covered by TPO 356

    22 Hillcrest Hatfield AL10 8HG

    Received 1 Dec 2023
  13. Decided - GrantedS6/2013/0640/DS

    Discharge of condition 10 (bus stop location) of planning permission S6/2012/0217/MA

    Plot 4000, Hatfield Business Park, Hatfield, AL10 9TA

    Received 27 Mar 2013
  14. Decided - Granted6/2015/2167/ADV

    Installation of 3no. illuminated fascia signs and 4no. non illuminated fascia signs as replacement and new signage.

    Homebase Comet Way, Hatfield, AL9 5JP

    Received 20 Oct 2015
  15. Decided - Granted6/2025/0033/HOUSE

    Installation of new and replacement windows and doors, blocking existing doors and windows, new metal mesh balustrading, internal alterations, relaying driveway, terrace and steps, erection of timber fence and gate

    26 Pentley Park Welwyn Garden City AL8 7SB

    Received 9 Jan 2025
  16. Decided - Granted6/2023/0693/TPO

    Reduce overall height and width by up to 2 metres to most suitable growth points to prevent reactive regrowth of Oak tree covered by TPO 655 (2017) W1

    5 Pine Crest Welwyn AL6 0EQ

    Received 27 Mar 2023
  17. Decided - Granted6/2017/0754/HOUSE

    Erection of single storey side extension.

    1B Heath Road Welwyn AL6 0TP

    Received 13 Apr 2017
  18. Decided - Granted6/2024/0009/EM

    Conversion of existing garage with insertion of new door and window

    52 Marsden Green, Welwyn Garden City, AL8 6YB

    Received 2 Jan 2024
  19. Decided - Granted6/2018/3166/ADV

    Installation of 4x internally illuminated fascia signs, 4x internally illuminated totem signs and 3x directional signs.

    Plot 4100, Gypsy Moth Avenue, Hatfield Business Park, Hatfield

    Received 12 Dec 2018
  20. Decided - GrantedW6/2013/2478/TE

    Removal of Apple tree and reduce two Beech trees by 20%

    3 Monks Rise, WELWYN GARDEN CITY, AL8 7NF

    Received 11 Nov 2013
  21. Decided6/2020/1323/TC

    Fell a row of Cypress Conifer trees Fell 1 x Holly tree

    5 Sherrardspark Road Welwyn Garden City AL8 7JW

    Received 10 Jun 2020
  22. DecidedS6/2009/0856/DS

    DISCHARGE OF CONDITIONS 3 (MATERIALS), 4 (LANDSCAPING DETAILS), 6 (FOUL AND SURFACE WATER DRAINAGE SCHEME) AND 8 (FOUNDATION DETAILS) FROM PLANNING PERMISSION S6/2008/2336/FP

    ROYAL VETERINARY COLLEGE, HAWKSHEAD LANE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7TA

    Received 21 Apr 2009
  23. Decided - Granted6/2026/0447/TPO

    T1 x Scots pine to reduce upper northerly limb by 1.2m, lower easterly limb by 2.5m and 2 x westerly limbs by 1.5m. Reducing selected over extended limbs to provide some balance to the tree & reduce wind loading

    7A Wendover Drive Welwyn AL6 9LT

    Received 11 Mar 2026
  24. Decided - GrantedN6/2013/0957/FP

    Erection of single storey side and rear extensions

    14 Oaken Grove, WELWYN GARDEN CITY, AL7 4TP

    Received 10 May 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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    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.

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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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