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
37,138Searchable applications
335Recorded as pending
86%Approval rate · 30,960 approved or refused records
4,291Refused applications

26,669 approved · 4,291 refused · 1,999 withdrawn. Received dates in our records: 29 Apr 1948 to 20 Oct 2026. Most recent record check: 25 Oct 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 Counts reflect the last collected status; some records may be out of date.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 - Refused6/2019/2666/PN19

    Prior approval for the erection of an agricultural building measuring 12m in length, 8 metres in width, 4m to the eaves and 5.5m to the ridge

    Woodside Place Farm, Woodside, Wildhill Road, Brookmans Park, Hatfield, AL9 6DW

    Received 23 Oct 2019
  2. Decided - GrantedN6/2009/1947/TC

    FELLING OF LEYLANDII TREE LOCATED IN REAR GARDEN

    10 GUESSENS ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6QR

    Received 26 Aug 2009
  3. Decided - Granted6/2016/2361/EM

    Fell Magnolia tree

    10 Meadow Green Welwyn Garden City AL8 6SS

    Received 4 Nov 2016
  4. Decided - RefusedN6/2009/1575/LU

    CERTIFICATE OF LAWFULNESS FOR ERECTION OF TWO STOREY REAR, SINGLE STOREY SIDE EXTENSIONS AND FRONT PORCH

    THE HOLDINGS, BROCKET ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7TU

    Received 23 Jul 2009
  5. Decided - WithdrawnN6/2008/0472/FP

    VARIATION OF CONDITION 7 OF PLANNING PERMISSION N6/2005/1026/FP TO ALLOW THE RETENTION OF HARMER HOUSE, FOLLOWING THE DEMOLITION OF BURNHAM HOUSE WHILST MAINTAINING 60 CAR PARKING SPACES

    LAND AT Q E 11 HOSPITAL, HOWLANDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4HQ

    Received 3 Mar 2008
  6. Decided - RefusedN6/2013/1995/FP

    Erection of two storey side extension and porch

    7 Birch Road Woolmer Green Knebworth SG3 6LW

    Received 24 Sept 2013
  7. Decided - Refused6/2020/0578/HOUSE

    Erection of part two storey and part single storey extensions.

    2 Holwell Hyde Welwyn Garden City AL7 3DJ

    Received 28 Feb 2020
  8. Decided - Granted6/2022/1875/HOUSE

    Erection of single storey side and rear extension

    17 West Mead Welwyn Garden City AL7 4SA

    Received 11 Aug 2022
  9. Appeal Decided - Dismissed6/2023/2129/FULL

    Construction of a new one-bedroom house with amenity and refuse storage, and an associated double garage to include parking and cycle storage, and creation of a vehicular access.

    Corner of Foxglove Way and The Brambles Welwyn AL6 0QP

    Received 19 Oct 2023
  10. Decided6/2023/2400/TC

    T1 - Maple - fell to ground level T2 - Maple - fell to ground level

    27 Birdcroft Road Welwyn Garden City AL8 6EH

    Received 28 Nov 2023
  11. Decided - GrantedS6/2007/0705/CD

    ERECTION OF SINGLE STOREY EXTENSION FOR USE AS CHILDREN'S CENTRE.

    Birchwood Nursery School Birchway Hatfield AL10 0PD

    Received 8 May 2007
  12. Under Consideration6/2025/0996/COND

    Submission of details pursuant to Condition 4 (Ground Conditions) on planning permission 6/2021/3436/RM

    Land North East of Welwyn Garden City Panshanger Welwyn Garden City AL7 2QJ

    Received 28 May 2025
  13. Under Consultation6/2026/1517/FULL

    Proposed agricultural storage building

    Land adjacent to Cromer House Cromer Hyde Lemsford Welwyn Garden City AL8 7XD

    Received 28 Aug 2026
  14. DecidedN6/2015/1286/NM

    Non material amendment following approval of planning permission N6/2015/0324/FP - Change to position of Apeture

    24 Amethyst Walk, Welwyn Garden City, AL8 6UX

    Received 17 Jun 2015
  15. Decided - GrantedW6/2007/1879/EM

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

    16 Cowper Road, Welwyn Garden City, AL7 3LS

    Received 7 Dec 2007
  16. Decided - Granted6/2017/2071/LAWP

    Certificate of lawfulness for change of cladding

    52 Carleton Rise Welwyn AL6 9RG

    Received 14 Sept 2017
  17. Decided - Granted6/2020/0671/LAWP

    Certificate of lawfulness for the erection of a side extension and hip to gable loft conversion with rear dormer and front rooflight

    8 Kingsmead Cuffley Potters Bar EN6 4AN

    Received 10 Mar 2020
  18. Decided - Granted6/2022/1059/COND

    Submission of details pursuant to condition number 1 (Landscaping Scheme), on planning permission 6/2022/0154/LB

    Shaws Corner Bibbs Hall Lane Welwyn AL6 9BX

    Received 6 May 2022
  19. Decided - Granted6/2021/1355/PN27

    Prior approval for the enlargement of the dwellinghouse by construction of an additional storey - increasing the maximum height to 9.6 metres.

    23A The Ridgeway Cuffley Potters Bar EN6 4BB

    Received 26 Apr 2021
  20. Decided - Granted6/2023/2258/OUTLINE

    Outline application for 3 dwellings with all matters reserved

    The Bungalow Great North Road Hatfield AL9 6DB

    Received 8 Nov 2023
  21. Decided - GrantedS6/2008/0061/FP

    ERECTION OF SINGLE STOREY SIDE AND REAR EXTENSION

    14 PARSONAGE LANE, WELHAM GREEN, HATFIELD, HERTFORDSHIRE, AL9 7LU

    Received 15 Jan 2008
  22. Decided - Granted6/2024/0356/EMT

    1 x Silver Birch to fell to ground level - tree is over mature and has been heavily reduced historically with decayed unions. Its growing too close to the house with buttress roots pushing on the fence 1 x Silver Birch to reduce by 2m height and 1.2m width - tree has large re growth from previous pruning. Wants to retain a smaller canopy

    40 Elmwood Welwyn Garden City AL8 6LE

    Received 26 Feb 2024
  23. Decided - GrantedN6/2009/1798/TE

    WORKS TO TWO OAK TREES, ONE SITUATED AT THE FRONT OF PROPERTY AND ONE SITUATED AT THE REAR. CUT BACK TO PREVIOUS CUTS AND REMOVAL OF DEAD BRANCHES.

    29 MANDEVILLE RISE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7JT

    Received 24 Aug 2009
  24. Decided - Granted6/2016/1164/HOUSE

    Erection of proposed single storey rear extension/conversion following partial demolition of outbuildings

    148 Howlands, Welwyn Garden City, AL7 4RG

    Received 14 Jun 2016

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 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.

Check collection coverage