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
40,256Searchable applications
321Recorded as pending
86%Approval rate · 33,751 approved or refused records
4,812Refused applications

28,939 approved · 4,812 refused · 2,214 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - GrantedS6/2008/0839/AD

    INSTALLATION OF INTERNALLY ILLUMINATED SIGN BOX, PROJECTING SIGN AND WINDOW LETTERING

    BAR TURAN, 2 PARKHOUSE COURT, HATFIELD, HERTFORDSHIRE, AL10 9RQ

    Received 28 May 2008
  2. Decided - Withdrawn6/2016/0092/EM

    Installation of a waterless toilet

    Allotments adjacent to Broadwater Crescent, Welwyn Garden City, AL7 3AB

    Received 19 Jan 2016
  3. Decided - WithdrawnW6/2013/0322/EM

    Erection of single storey rear extension

    36 Marsden Green, WELWYN GARDEN CITY, AL8 6YB

    Received 11 Feb 2013
  4. Decided - Granted6/2022/2117/COND

    Submission of details pursuant of condition 8 (off-site highway improvement works) on planning permission 6/2021/2207/MAJ

    Campus West The Campus Welwyn Garden City AL8 6BX

    Received 12 Sept 2022
  5. Decided - GrantedW6/2008/0428/EM

    ERECTION OF TIMBER SHED IN REAR GARDEN

    13 BROCKETT CLOSE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7BN

    Received 13 Mar 2008
  6. Decided - RefusedS6/2008/1744/FP

    ERECTION OF TWO STOREY SIDE AND REAR EXTENSION, NEW PITCHED ROOF OVER FRONT ENTRANCE

    8 SOMERS SQUARE, WELHAM GREEN, HATFIELD, HERTFORDSHIRE, AL9 7PS

    Received 9 Sept 2008
  7. Decided6/2025/2576/TC

    1 x Oak to reduce lateral branches growing over magnolia and towards neighbouring property by around 2 metres. 2 x Leyland Cypress to fell.

    45 Sherrardspark Road Welwyn Garden City AL8 7LD

    Received 15 Dec 2025
  8. Decided - Granted6/2022/2016/HOUSE

    Erection of a detached timber outbuilding in the rear garden

    39 Mardley Wood Welwyn AL6 0UZ

    Received 31 Aug 2022
  9. Decided - Granted6/2023/1380/PN15

    Prior approval for the installation of 15m phase 9 slimline monopole, 6 antennas and 3 street equipment cabinets

    Hawkshead Lane North Mymms Brookmans Park AL9 7TA

    Received 3 Jul 2023
  10. Decided6/2026/0924/TC

    1 x Oak to reduce back to previous pruning points (approx 1.5m in height and width). Lawson Cypress (under Oak) to reduce by 3m in height. Trim sides hard while maintaining green. 1 x Eucalyptus to reduce by approximately 2m height. 1 x Willow to reduce by approximately 2m in height and 1.5m in width. 1 x Lawson Cypress to fell.

    11 Coneydale Welwyn Garden City AL8 7RX

    Received 26 May 2026
  11. Decided - Refused6/2023/0117/FULL

    Change of use of amenity land to residential, following the removal and replacement of boundary wall with new fence and hedging

    1 Brooksfield Welwyn Garden City AL7 2BJ

    Received 17 Jan 2023
  12. Decided - Granted6/2021/3518/HOUSE

    Erection of a two storey side extension with rooms in the roof, a new single storey rear extension and rooms in the roof to the existing house, with internal and external alterations

    60 Bradmore Way, Brookmans Park, Hatfield AL9 7QX

    Received 21 Dec 2021
  13. Decided - GrantedS6/2013/2258/FP

    Erection of single storey rear extension

    11 Woodlands, Brookmans Park, Hatfield, AL9 7AN

    Received 25 Oct 2013
  14. Decided - GrantedN6/2005/1418/FP

    ERECTION OF 1.5 MTR RAILING FENCE ALONG FRONT BOUNDARY AND GATE AND 2.4 MTR HIGH FENCE TO THE SIDE

    99 Bridge Road East Welwyn Garden City AL7 1GL

    Received 15 Nov 2005
  15. Decided - Granted6/2020/3201/COND

    Submission of details pursuant to condition 1 (doors and windows detailed drawings) on planning permission 6/2020/1212/FULL

    The Wood Barn The Estate Yard North Mymms Park Hatfield AL9 7TR

    Received 30 Nov 2020
  16. Decided - GrantedW6/2014/0864/TE

    Removal of one Deodar Cedar and one Cypress tree plus 30% crown reduction of Ash and Cherry tree

    15 The Old Drive, Welwyn Garden City, AL8 6TB

    Received 15 Apr 2014
  17. Decided - Granted6/2016/0727/HOUSE

    Conversion of garage

    28 Lavender Close Hatfield AL10 9FW

    Received 19 Apr 2016
  18. Decided - Granted6/2019/0198/HOUSE

    Erection of a porch extension on the northern elevation

    The Manor House Hill Farm Lane Welwyn AL6 9BP

    Received 30 Jan 2019
  19. Decided - Granted6/2015/1858/EM

    Replacement front porch, detached garage, rear outbuilding 'cabin' and internal and external alterations to ground and first floors

    14 Guessens Road Welwyn Garden City AL8 6QR

    Received 12 Aug 2015
  20. Decided - Granted6/2023/1872/PN8

    Prior approval for the erection of single storey rear extension measuring 5.30m in depth, 3.30m in height and 3.30m to the eaves

    30 Holloways Lane Welham Green Hatfield AL9 7NP

    Received 8 Sept 2023
  21. Decided - Granted6/2021/0610/HOUSE

    Erection of a conservatory following the demolition of the existing conservatory

    51 Lemsford Lane Welwyn Garden City AL8 6YN

    Received 25 Feb 2021
  22. Decided - RefusedW6/2005/1595/EM

    ERECTION OF TWO STOREY SIDE AND REAR EXTENSION

    15 High Oaks Road, Welwyn Garden City, AL8 7BJ

    Received 23 Dec 2005
  23. Decided - Refused6/2020/2914/COND

    Submission of details pursuant to condition 1(tree protection measures) on planning permission 6/2019/0744/HOUSE

    Woodhill The Ridgeway Cuffley Potters Bar EN6 4BE

    Received 9 Nov 2020
  24. Decided - Granted6/2025/2061/HOUSE

    Installation of gates & work to boundary wall

    10 Elmoor Close Welwyn AL6 9PF

    Received 26 Sept 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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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.

Check collection coverage