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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
23,210Searchable applications
313Recorded as pending
86%Approval rate · 18,930 approved or refused records
2,654Refused applications

16,276 approved · 2,654 refused · 1,198 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2025/2025/COND

    Submission of details pursuant to Condition 1 (proposed windows) on planning permission 6/2024/0930/HOUSE

    12 Digswell House Monks Rise Welwyn Garden City AL8 7NX

    Received 22 Sept 2025
  2. Decided - Refused6/2017/1819/HOUSE

    Erection of a single storey rear extension and alterations to existing openings, to include re-roofing of existing rear extension and erection of rear patio.

    6 Broadleaf Grove Welwyn Garden City AL8 7AZ

    Received 16 Aug 2017
  3. Decided6/2023/1240/TC

    1 x Robinia to fell to ground level. Tree is Ivy clad leading to poor form. Excessively overhanging neighbouring property causing a nuisance

    9 Homerfield Welwyn Garden City AL8 6QZ

    Received 12 Jun 2023
  4. Decided - Granted6/2018/1404/HOUSE

    Erection of single storey rear extension following demolition of existing

    4 Moorlands Welwyn Garden City AL7 4PP

    Received 25 May 2018
  5. Decided - Granted6/2018/0580/HOUSE

    Erection of part single, part two storey side and rear extension following demolition of existing rear conservatory and single storey side extension

    40 Colgrove Welwyn Garden City AL8 6HU

    Received 28 Feb 2018
  6. Decided - Withdrawn6/2023/0142/FULL

    Erection of eight rapid electric vehicle charging points, an electrical substation, two power modules and associated electrical feeder pillar, in the car park of the Beehive Public House and retrospective planning permission for a metal hoop top fence to bisect the car park

    The Beehive Beehive Lane Welwyn Garden City AL7 4BW

    Received 20 Jan 2023
  7. Decided - Granted6/2022/1125/HOUSE

    Replacement of existing conservatory roof with synthetic replica tiled roof

    103 Longcroft Lane Welwyn Garden City Hertfordshire AL8 6EL

    Received 16 May 2022
  8. Decided - Granted6/2016/2160/PN11

    Prior approval for a proposed change of use from Office (Class B1(a)) to Residential (Class C3)

    Mercury House 1 Broadwater Road Welwyn Garden City AL7 3BQ

    Received 13 Oct 2016
  9. Decided6/2022/1984/TC

    1 x Pear to reduce by 0.5m height & width 2 x Apples to reduce by 1.2m height & 1m width

    121 Handside Lane Welwyn Garden City AL8 6TA

    Received 25 Aug 2022
  10. Decided - Granted6/2020/1748/HOUSE

    Erection of single storey rear extension

    32 Westland Drive Hatfield AL9 7UQ

    Received 16 Jul 2020
  11. Decided - Granted6/2019/2947/VAR

    Variation of condition 2 (Landscaping) on planning permission 6/2018/2971/VAR

    19 Briary Wood Lane Welwyn AL6 0TE

    Received 22 Nov 2019
  12. Decided - Granted6/2020/0686/EM

    Raise crown of 1x Oak tree by 1m

    46 Woodland Rise Welwyn Garden City AL8 7LF

    Received 11 Mar 2020
  13. Decided6/2018/2904/TPO

    To fell 1x Acacia tree- conservation area

    29 The Cloisters Welwyn Garden City AL8 6DU

    Received 12 Nov 2018
  14. Decided - Granted6/2022/2661/FULL

    Proposed external alterations to provide new building access

    Units 40 - 45 The Galleria Outlet Shopping Centre Comet Way Hatfield AL10 0XR

    Received 22 Nov 2022
  15. Decided - Refused6/2017/1110/HOUSE

    Erection of first floor rear extension with balcony, installation of rear dormer window and raising of ridge height to facilitate loft conversion

    5 Mary Proud Court Oak Piece Welwyn AL6 0XG

    Received 23 May 2017
  16. Decided - Granted6/2019/1589/HOUSE

    Erection of single storey rear infilling extension

    8 Brookmans Avenue Brookmans Park Hatfield AL9 7QJ

    Received 28 Jun 2019
  17. Decided - Granted6/2020/0702/LB

    Substructure remedial works comprising the following: - Temporary propping and underpinning/replacement of concrete pad foundations to the structural frame - Hydraulic jacking to restore the level of a classroom to necessitate the removal and reinstatement of pre-cast concrete floor planks and removal and reinstatement of pre-cast concrete cladding panels - Potential replacement of floor planks and cladding panels - Straightening and reinstatement of 2 steel framed, single glazed original windows - Re-glazing the original windows and external doors - Replacement of split fibrous plaster lining panels, plaster repairs, redecorations and new floor coverings

    Essendon Church Of England Primary School School Lane Essendon Hatfield AL9 6HD

    Received 12 Mar 2020
  18. Decided - Granted6/2022/0296/HOUSE

    Erection of single storey front and rear extension

    11 The Holdings Hatfield AL9 5HH

    Received 9 Feb 2022
  19. Decided - Granted6/2020/1801/FULL

    Erection of three 2-bedroom flats following the demolition of the existing garages

    Land at Green Close, Brookmans Park, Hatfield AL9 7ST

    Received 22 Jul 2020
  20. Decided - Granted6/2023/0431/HOUSE

    Install UPVC conservatory with a replica tiled roof to the rear of the property

    55 Bradmore Way Brookmans Park AL9 7QY

    Received 24 Feb 2023
  21. Decided6/2017/2922/TPO

    Fell 1 x Betula Pendula tree and replace with 1 x Fagus Sylvatica tree - Conservation area

    38 Reddings Welwyn Garden City AL8 7LA

    Received 18 Dec 2017
  22. Decided - Granted6/2025/1062/COND

    Submission of details pursuant to Condition 1 (proposed replica) & Condition 2 (full details of position & method of display) on listed building consent 6/2024/1165/LB

    Shaws Corner Bibbs Hall Lane Ayot St Lawrence AL6 9BX

    Received 5 Jun 2025
  23. Decided - Granted6/2021/0120/HOUSE

    Erection of a single storey rear extension

    21 Witchford Welwyn Garden City AL7 2PR

    Received 15 Jan 2021
  24. Decided - Granted6/2021/0340/EM

    Replace lower glazed panels in full depth front windows with same size white panels

    9 Marsden Close Welwyn Garden City AL8 6YE

    Received 1 Feb 2021

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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    Published Updated

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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