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
39,929Searchable applications
298Recorded as pending
86%Approval rate · 33,479 approved or refused records
4,786Refused applications

28,693 approved · 4,786 refused · 2,193 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 29 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 Counts reflect the last collected status; some records may be out of date.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. Decided6/2025/2004/TC

    1 x Oak to reduce lateral branches over the roof of No,43 and the garden of No.41 by approximately 3m. Reduce remaining lateral branches by approximately 2m. Tree is dominating the garden completely. Its also causing a nuisance to neighbours on both sides

    43 Woodhall Lane Welwyn Garden City AL7 3TB

    Received 17 Sept 2025
  2. Decided - Granted6/2017/2139/EM

    Alteration to driveway entrance

    9 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 20 Sept 2017
  3. Decided - GrantedW6/2013/1348/EM

    Erection of single storey rear and side extension

    8 Marsden Green, Welwyn Garden City, AL8 6YA

    Received 25 Jun 2013
  4. Decided - GrantedN6/2009/2583/FP

    ERECTION OF FIRST FLOOR AND SINGLE STOREY SIDE EXTENSION

    11 Oaklands Rise Welwyn AL6 0RN

    Received 24 Nov 2009
  5. Decided - Refused6/2017/0889/LB

    Alteration of existing building and repair works including installation of external french drain, damp proof course and damp proof membrane

    The Old Post Office Hill Farm Lane Welwyn AL6 9BT

    Received 28 Apr 2017
  6. Decided - GrantedW6/2009/1632/EM

    ERECTION OF SINGLE STOREY SIDE AND REAR EXTENSION AND INSTALLATION OF WINDOW INTO SIDE ELEVATION OF PROPERTY

    68 PEARTREE LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3UH

    Received 30 Jul 2009
  7. Decided6/2018/2979/TPO

    Fell T1- Portugese Laurel, Reduce T2- Hornbeams by 1-2m, Fell T3- Hornbeam, Reduce T4-Hornbeams by 4m, Remove deadwood from T5 Oak Tree- conservation area

    52 Sherrardspark Road Welwyn Garden City AL8 7LB

    Received 19 Nov 2018
  8. Decided - Granted6/2017/0119/FULL

    External alterations comprising the creation of two access doors and associated access ramps.

    Northern Home Counties Distribution Centre, Hatfield Business Park, Frobisher Way, Hatfield, AL10 9SL

    Received 24 Jan 2017
  9. Decided - Granted6/2020/0339/HOUSE

    Erection of a single storey rear extension

    8 Applecroft Road Welwyn Garden City AL8 6LA

    Received 6 Feb 2020
  10. Decided - RefusedN6/2008/0781/FP

    ERECTION OF SINGLE STOREY SIDE AND REAR EXTENSION

    10 The Green Welwyn AL6 9EA

    Received 16 May 2008
  11. Decided - Granted6/2025/2335/LAWP

    Certificate of lawfulness for a loft conversion

    18 Oaklands Avenue Brookmans Park AL9 7UJ

    Received 5 Nov 2025
  12. Decided - Split6/2025/0160/COND

    Submission of details pursuant of conditions 1 (roof design), 2 (landscaping), 3 (Energy efficient construction materials) , 4 (cycle storage), 5 (electric car charging point), 6 (refuse and recycling storage), on planning permission 6/2024/0884/FULL

    12 Hill Rise Cuffley Potters Bar EN6 4EE

    Received 30 Jan 2025
  13. Decided - Granted6/2018/1572/HOUSE

    Installation of open air swimming pool and erection of plant room

    42 The Ridgeway Cuffley Potters Bar EN6 4BA

    Received 12 Jun 2018
  14. DecidedN6/2014/1829/TC

    Removal of Conifer tree

    37 Valley Road, Welwyn Garden City, AL8 7DH

    Received 15 Aug 2014
  15. Decided - Refused6/2021/0403/HOUSE

    Erection of a single storey front extension, alteration of garage roof and insertion of window to facilitate conversion of garage into habitable space, alterations to openings and insertion of 2x rear facing Juliette balconies

    14 Bishops Rise Hatfield AL10 9HB

    Received 9 Feb 2021
  16. Decided - Granted6/2022/0518/HOUSE

    Erection of single storey rear extension and alterations to window opening on existing side elevation.

    46 Campion Road Hatfield Hertfordshire AL10 9FT

    Received 4 Mar 2022
  17. Decided - Granted6/2017/0705/HOUSE

    Erection of single storey rear extension and rear balcony following demolition of existing conservatory

    19 Glebe Cottages Essendon Hatfield AL9 6HQ

    Received 6 Apr 2017
  18. Decided - Granted6/2016/1669/COND

    Approval of details reserved by condition 2 (materials), condition 3 (construction method statement) and condition 4 (windows and doors) on planning permission 6/2015/2023/FULL

    12 High Street Welwyn AL6 9EQ

    Received 15 Aug 2016
  19. Decided6/2019/2356/TC

    Reduce 1 x Ginko Biloba tree by 30%

    55 Valley Road Welwyn Garden City AL8 7DH

    Received 24 Sept 2019
  20. Under Consultation6/2026/1813/HOUSE

    Erection of porch

    19 Sherrardspark Road Welwyn Garden City AL8 7JW

    Received 8 Oct 2026
  21. Decided - Granted6/2016/2158/HOUSE

    Single storey front extensions, part single/part two storey side and rear extension, first floor side extension, roof lights and alteration to opening.

    53 Mymms Drive, Brookmans Park, Hatfield, AL9 7AE

    Received 14 Oct 2016
  22. Decided - WithdrawnS6/2014/0662/FP

    Erection of 2 two storey dwellings following demolition of detached dwelling

    36 Pine Grove, Brookmans Park, Hatfield, AL9 7BS

    Received 26 Mar 2014
  23. Decided - GrantedW6/2013/0059/EM

    Formation of UPVC Georgian style French doors and side lights to replace existing UPVC Georgian bay windows

    6 Little Youngs, WELWYN GARDEN CITY, AL8 6SL

    Received 14 Jan 2013
  24. Decided - Granted6/2015/1712/TC

    Crown lift 1 Ash tree and 5 Sycamore trees to height of 5m - Conservation Area.

    Land at Jacobs Ladder, Hatfield, AL9 5HY

    Received 7 Aug 2015

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