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England · Local authority

Welwyn Hatfield Borough Council
Planning applications.

Explore collected planning applications and decisions for Welwyn Hatfield Borough Council. Search an address, application reference or proposal to find a record.

Collected application statistics

Collected records · All available dates
27,089Searchable applications
304Recorded as pending
86%Approval rate · 22,315 approved or refused records
3,014Refused applications

19,301 approved · 3,014 refused · 1,449 withdrawn. Received dates in our records: 5 Jan 2005 to 8 Oct 2026. Most recent record check: 16 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 Counts reflect the last collected status; some records may be out of date.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. Under Consideration6/2026/1452/FULL

    Retrospective application for the installation of palisade fencing and gates adjoining highway.

    51-53 London Road Woolmer Green SG3 6JE

    Received 18 Aug 2026
  2. Decided - Granted6/2020/0665/EM

    Replacement of shed

    189 Handside Lane Welwyn Garden City AL8 6TE

    Received 10 Mar 2020
  3. Decided6/2025/2029/TC

    T1 - Holly - Crown reduce by 3m and crown lift

    26 Longcroft Lane Welwyn Garden City AL8 6EA

    Received 22 Sept 2025
  4. Decided - Granted6/2024/0873/HOUSE

    Installation of air source heat pump

    11 Margery Wood Welwyn Garden City AL7 1UN

    Received 9 May 2024
  5. Decided - Granted6/2020/1507/EMT

    Reduce 1x Lombardy poplar tree by 33%

    1 Elmwood Welwyn Garden City AL8 6LD

    Received 25 Jun 2020
  6. Decided - Granted6/2017/1775/HOUSE

    Erection of single story rear extension and alterations to existing outbuildings to include replacement of existing roof and alterations to openings.

    16 Stanborough Green Welwyn Garden City AL8 6XQ

    Received 11 Aug 2017
  7. Decided - Granted6/2017/0491/HOUSE

    Erection of a single storey front extension, two storey side extension and part single, part two storey rear extension.

    97 Bramble Road Hatfield AL10 9SB

    Received 14 Mar 2017
  8. Decided - Granted6/2022/2302/EM

    Garage and loft conversion with rooflights to provide living accommodation, alterations to openings, replacement windows and doors, Installation of solar panels to modified garage roof and installation of EV charger to garage side wall, new side access gate and related paving, new shed to rear garden.

    5 Densley Close, Welwyn Garden City, AL8 7JX

    Received 3 Oct 2022
  9. Decided - Granted6/2018/2951/COND

    Submission of details pursuant to condition 1 (materials for external surfaces) and 2 (scaled plan of replacement chimney) on planning permission 6/2018/1245/HOUSE

    6 Russellcroft Road Welwyn Garden City AL8 6QT

    Received 15 Nov 2018
  10. Decided - Granted6/2026/0379/COND

    Submission of details pursuant to condition number 1 (proposed fireplace) & condition 2 (results of opening works) on planning permission 6/2025/1681/LB

    56 Bell Lane Brookmans Park AL9 7AY

    Received 2 Mar 2026
  11. Decided6/2019/0711/TC

    Fell 1x Silver birch (T1) -Conservation area

    55 Woodland Rise Welwyn Garden City AL8 7LJ

    Received 25 Mar 2019
  12. Decided - Refused6/2021/0473/LAWE

    Certificate of lawfulness for the existing use of Woolmer Green village hall to hold a public function on New Year's Eve up to 01.00am.

    Woolmer Green Village Hall Hall Lane Woolmer Green SG3 6XA

    Received 15 Feb 2021
  13. Decided - Granted6/2021/1285/COND

    Submission of details pursuant to condition 3 (sample of materials), on planning title 6/2019/1452/MAJ

    26 Stonehills Welwyn Garden City AL8 6NA

    Received 21 Apr 2021
  14. Appeal Decided - Dismissed6/2021/0112/HOUSE

    Erection of a part single, part two storey rear extension with Juliette balcony, enlargement of existing front porch, front dormer, alterations to existing window openings and proposed window openings to dwellinghouse

    58 Tolmers Road Cuffley Potters Bar EN6 4JY

    Received 14 Jan 2021
  15. Decided - Granted6/2016/0318/MAJ

    Erection of additional floor to provide 1719 sq metres of B1a (Office) floorspace in association with the use of the premises for B1 offices together with elevational alterations to the remainder of the building

    Media House Sopers Road Cuffley Potters Bar EN6 4RY

    Received 26 Feb 2016
  16. Decided - Granted6/2026/1563/EM

    Erection of first floor side extension and alterations to rear window

    6 Meadow Green Welwyn Garden City AL8 6SS

    Received 9 Sept 2026
  17. Under Consultation6/2026/0001/MAJ

    Proposed replacement of the existing natural grass football pitch with a 106m x 70m FIFA Quality 3G all-weather pitch, including associated shockpad, drainage, and LED floodlighting - (Retrospective)

    Welwyn Garden City Football And Social Club Herns Way Welwyn Garden City AL7 1TA

    Received 2 Jan 2026
  18. Decided - Granted6/2019/0763/EM

    Fell 1x Cherry Plum -Retrospective

    1 Dellcott Close Welwyn Garden City AL8 7BB

    Received 1 Apr 2019
  19. Decided - Granted6/2021/0235/HOUSE

    First floor rear extension and two storey side/rear extension

    10 Dudley Hill Close Welwyn AL6 0QQ

    Received 26 Jan 2021
  20. Decided - Granted6/2018/3195/EM

    Reduce by 20% 1 x Horse Chestnut tree

    38 Parkway Welwyn Garden City AL8 6HQ

    Received 17 Dec 2018
  21. Appeal Decided - Allowed6/2019/2696/HOUSE

    Erection of front porch, front and rear (infill) dormers, re-positioning of rear dormer, increase in height of existing rear projection and alterations to openings

    5 Bell Lane, Brookmans Park, Hatfield, AL9 7AY

    Received 25 Oct 2019
  22. Decided - Withdrawn6/2016/1236/EM

    Conversion of Garage

    12 Sherrardspark Road, Welwyn Garden City, AL8 7JP

    Received 6 Jun 2016
  23. Appeal Decided - Allowed6/2016/1068/FULL

    Addition of A3 (Restaurant and Cafe) use alongside previously granted uses A1 (Retail), A2 (Financial and Professional Services) and B1 (Business) to the commercial unit to ground floor

    Barham Court 80 Station Road Cuffley Potters Bar EN6 4HY

    Received 31 May 2016
  24. Decided - Withdrawn6/2020/0390/HOUSE

    Erection of a single, part three storey rear extension following demolition of existing rear conservatory, raising of existing single storey side extension's roof to facilitate a partial garage conversion, erection of a covered lean-to to the opposite side, conversion of loft into a habitable area and alterations to fenestration

    143 Parkway Welwyn Garden City AL8 6JB

    Received 12 Feb 2020

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

Start with the address or application reference. Open a record to read the proposal, dates and available documents, then check the official register for the latest plans and consultation details. If nothing appears, check coverage before treating the result as a complete planning history.

How to search planning applications

Guides to planning records

All planning guides

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    Planning application documents: what to read first

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  • 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.

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  • 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.

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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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