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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
23,987Searchable applications
313Recorded as pending
86%Approval rate · 19,624 approved or refused records
2,733Refused applications

16,891 approved · 2,733 refused · 1,249 withdrawn. Received dates in our records: 5 Jan 2005 to 2 Oct 2026. Most recent record check: 14 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2019/0892/LAWP

    Certificate of lawfulness for erection of canopy and loading platform

    Booker Cash And Carry, Hatfield Business Park, Frobisher Way, Hatfield, AL10 9TR

    Received 12 Apr 2019
  2. Decided - Granted6/2022/2311/EM

    Erection of single storey rear infill extension, extension of existing garage to facilitate a part garage conversion, widening of existing driveway to create an additional parking space, insertion of one window to the existing side elevation

    33 Blakemere Road Welwyn Garden City AL8 7PQ

    Received 4 Oct 2022
  3. Decided - Granted6/2021/2617/HOUSE

    Erection of a single storey rear extension

    38 Bluebridge Road Hatfield AL9 7SA

    Received 8 Sept 2021
  4. Decided - Refused6/2025/1856/FULL

    Erection of a temporary tennis court air dome

    Brookmans Park Golf Club Golf Club Road Brookmans Park AL9 7AT

    Received 1 Sept 2025
  5. Decided - Granted6/2018/2128/EM

    Erection of a single storey rear extension

    14 The Pastures Welwyn Garden City AL7 4PX

    Received 15 Aug 2018
  6. Decided - Granted6/2017/2351/PN8

    Prior Approval for the erection of a single storey rear extension measuring 8 metres in depth, 3.2 metres in maximum height and 2.944 metres to the eaves; Rear part of single storey side extension measuring 6.605 metres beyond the rear wall of the original dwellinghouse, 3.871 metres in maximum height and 2.944 metres to the eaves; and rear part of single storey side extension measuring 8 metres beyond the rear wall of the original dwellinghouse, 3.871 metres in maximum height and 2.944 metres to the eaves.

    The Holdings Brocket Road Welwyn Garden City AL8 7TU

    Received 9 Oct 2017
  7. Decided - Granted6/2018/1456/PN8

    Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3.65m in height and 2.45m to the eaves

    5 Longmead Hatfield AL10 0AB

    Received 30 May 2018
  8. Decided - Granted6/2021/3481/EM

    Erection of a first floor side extension and removal of chimney

    4 Palmerston Close Welwyn Garden City AL8 7DL

    Received 14 Dec 2021
  9. Decided6/2023/1503/TC

    Reduction of beech tree by 2.5 metres to suitable growth points

    30 Templewood Welwyn Garden City AL8 7HX

    Received 18 Jul 2023
  10. Decided - Refused6/2024/2413/LAWP

    Certificate of lawfulness for a single storey side and rear extensions, with insertion of roof light to rear, alterations to openings to front and side elevations

    5 Rosecroft Lane Welwyn AL6 0UB

    Received 20 Dec 2024
  11. Decided - Granted6/2017/2842/EM

    Removal of Sycamore tree

    38 Bassingburn Walk Welwyn Garden City AL7 3QQ

    Received 5 Dec 2017
  12. Decided - Granted6/2018/2438/EM

    Reduce 6 x self set Ash trees by 20 %

    69 Lodgefield Welwyn Garden City AL7 1SE

    Received 24 Sept 2018
  13. Decided - Granted6/2018/2567/EM

    Erection of single storey rear extension, partial conversion of existing garage, infill singel storey rear extension and alterations to openings

    172 Blythway Welwyn Garden City AL7 1DU

    Received 5 Oct 2018
  14. Decided - Granted6/2024/1916/HOUSE

    Erection of single storey front extension and conversion of existing garage with alterations to the fenestration

    2 Feather Dell Hatfield AL10 8DD

    Received 7 Oct 2024
  15. Decided - Granted6/2021/0494/EM

    Erection of a first floor extension including raising of roof level and land conversion of loft, the erection of a single storey rear extension and alterations to openings and refurbishment. Extension of existing garage and modifications to drive/front garden.

    10 Mannicotts Welwyn Garden City AL8 7BW

    Received 15 Feb 2021
  16. Decided - Granted6/2019/1173/HOUSE

    Installation of a dormer window to facilitate loft conversion

    38 The Sidings Hatfield AL10 9SR

    Received 15 May 2019
  17. Decided - Granted6/2025/2170/HOUSE

    Reduction of unauthorised side dormer extensions, including associated alteration to fenestration, external materials, and detailing

    9 South Drive Cuffley Potters Bar EN6 4HP

    Received 13 Oct 2025
  18. Decided - Granted6/2019/0281/HOUSE

    Erection of ground floor rear extension to existing garage following conversion of garage to habitable space

    14 Thrush Avenue Hatfield AL10 8QU

    Received 7 Feb 2019
  19. Decided - Granted6/2024/1184/COND

    Submission of details pursuant to Condition 12 and 35 (Piling Method Statement)) on Planning permission 6/2019/3024/MAJ

    29 Broadwater Road Welwyn Garden City AL7 3BQ

    Received 25 Jun 2024
  20. Decided - Granted6/2021/0155/EM

    Erection of single storey side and rear extension, following demolition of existing and installation of 2 rooflights.

    5 Fordwich Road Welwyn Garden City AL8 6EX

    Received 19 Jan 2021
  21. Decided - Refused6/2018/0644/LAWE

    Certificate of lawfulness for existing carport

    East Lodge Judge's Hill Northaw Potters Bar EN6 4NL

    Received 7 Mar 2018
  22. Decided - Granted6/2025/0777/FULL

    Refurbishment of Digswell Village Church including alterations to levels and accessibility internally and externally, erection of entrance canopies, raise roof height of flat roof extension, removal of chimney, alterations to fenestration/openings, regraded paths and patios and soft landscaping, amendments to external materials, installation of solar panels, Air Source Heat Pump (ASHP) and lighting, and the formation of accessible parking, cycle storage and bin stores.

    Digswell Methodist Church Warren Way Digswell Welwyn AL6 0DH

    Received 25 Apr 2025
  23. Decided - Granted6/2018/1237/HOUSE

    Erection of a single storey side and rear extension

    31 Chantry Lane Hatfield AL10 9HS

    Received 10 May 2018
  24. Decided - Granted6/2020/1076/EM

    Crown thin 1 x Ash by 20% and remove lower limb

    22 Moorlands Welwyn Garden City AL7 4PP

    Received 13 May 2020

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

View all applications

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

  • 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.

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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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