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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
33,078Searchable applications
313Recorded as pending
87%Approval rate · 27,689 approved or refused records
3,609Refused applications

24,080 approved · 3,609 refused · 1,734 withdrawn. Received dates in our records: 29 Apr 1948 to 14 Oct 2026. Most recent record check: 21 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 Counts reflect the last collected status; some records may be out of date.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 - Refused6/2024/1087/HOUSE

    Erection of a detached outbuilding for ancillary use with host dwelling

    3 Barneswood Digswell Welwyn AL6 0EU

    Received 12 Jun 2024
  2. Decided - Granted6/2019/2016/EM

    Single storey rear extension including infill, following demolition of existing conservatory and conversion of existing garage into habitable space

    36 Bassingburn Walk Welwyn Garden City AL7 3QQ

    Received 12 Aug 2019
  3. Decided - Granted6/2019/2828/EM

    Reduce 1 x Silver Birch tree by 2.5m height & 1.5m width

    17 Fern Grove Welwyn Garden City AL8 7ND

    Received 8 Nov 2019
  4. Decided - Granted6/2025/0846/COND

    Submission of details pursuant to condition 1 (Roof Design), 3 (Sustainable Development & Energy Efficiency), 4 (Secure Cycle Storage), 5 (EV Charging Point) and 6 (Refuse and Recycling Storage) on planning permission 6/2024/0884/FULL

    12 Hill Rise Cuffley Potters Bar EN6 4EE

    Received 2 May 2025
  5. Decided - RefusedS6/2013/1520/HH

    Single storey rear extension

    147 Bishops Rise Hatfield AL10 9ER

    Received 22 Jul 2013
  6. Decided - Granted6/2025/0497/PN8

    Prior approval for the erection of a single storey rear extension measuring 4.50m in depth, 3.12m in height and 2.80m to the eaves

    103 Cole Green Lane Welwyn Garden City AL7 3JF

    Received 18 Mar 2025
  7. Decided - Granted6/2017/0728/TPO

    Reduce 2 x Oak trees' crowns by 25% - Conservation Area

    40 Digswell Road Welwyn Garden City AL8 7PA

    Received 10 Apr 2017
  8. Decided - Granted6/2021/0991/EMH

    Changing use of front garden to a driveway for off road parking

    55 Marsden Road Welwyn Garden City AL8 6YH

    Received 25 Mar 2021
  9. Decided - Granted6/2015/2258/LAWE

    Certificate of lawfulness for confirmation property has been classified as C4 planning use.

    57 Broadwater Crescent, Welwyn Garden City, AL7 3TS

    Received 5 Nov 2015
  10. Decided - Granted6/2018/2665/COND

    Submission of details pursuant to condition 4 (Part A - roof lantern, Part D - door openings and frames, Part E - window openings and frames and Part H - Rooflights to kitchen) on listed building consent 6/2017/2746/LB, dated 15/02/2018

    Ramada Hatfield St Albans Road West Hatfield AL10 9RH

    Received 17 Oct 2018
  11. Decided - Granted6/2016/1001/EM

    Replacement of white up and over garage door with sectional garage door in golden oak finish to match existing front door colour

    40 Reddings, Welwyn Garden City, AL8 7LA

    Received 20 May 2016
  12. Decided - Granted6/2021/1506/HOUSE

    Erection of single storey rear extension.

    49 Great North Road Brookmans Park AL9 6LB

    Received 12 May 2021
  13. Decided - GrantedN6/2013/2104/NM

    Non material amendment following approval of planning permission N6/2011/2255/S73B

    2 Reddings, WELWYN GARDEN CITY, AL8 7LA

    Received 8 Oct 2013
  14. Decided - Granted6/2016/2181/HOUSE

    Erection of a single storey side extension

    11 Woodgate Avenue Northaw Potters Bar EN6 4EW

    Received 17 Oct 2016
  15. Decided - Granted6/2022/2219/HOUSE

    Erection of two storey and single storey rear extensions, single storey rear infill extension, 2 x single storey side extensions and first floor side extension and alterations to openings.

    74 Harmer Green Lane Digswell Welwyn AL6 0EJ

    Received 26 Sept 2022
  16. Under Consultation6/2026/1632/FULL

    Erection of dwelling following the demolition of existing dwelling

    19 Pine Grove Brookmans Park AL9 7BP

    Received 18 Sept 2026
  17. Decided - Granted6/2022/0985/HOUSE

    Erection of single storey front extension with the insertion of a front facing bay window and erection of a single storey rear extension

    24 Somers Road Welham Green Hatfield AL9 7PX

    Received 26 Apr 2022
  18. Decided - GrantedN6/2013/1977/FP

    Erection of garage extension and formation of new driveway using existing access

    Danesbury Hill House Codicote Road Welwyn AL6 9NF

    Received 17 Sept 2013
  19. Decided - Granted6/2021/2570/HOUSE

    Erection of single storey rear extension

    2 Woodland Way Welwyn AL6 0RZ

    Received 3 Sept 2021
  20. Decided - Refused6/2020/0249/HOUSE

    Erection of single storey side, single storey rear, part two storey side and part two storey rear extension, following demolition of existing side extension and detached shed.

    31 Marley Road Welwyn Garden City AL7 4BT

    Received 29 Jan 2020
  21. Decided - Granted6/2017/0134/FULL

    Replacement of external balcony handrails from Georgian wired panelled glass to vertical steel balustrades. Including renewal of existing asphalt floor cover to 3 blocks: 2-32 Hillfield, 9-35 Hillfield, 69-91 Hillfield

    Block 2-32, Block 9-35 & Block 69-91 Hillfield Hatfield AL10 0TY

    Received 25 Jan 2017
  22. Decided - Granted6/2019/2437/EM

    Erection of a single storey side and first floor part rear extension, alterations to openings to facilitate the conversion of garage into habitable space and installation of rear dormer

    16 Homestead Lane Welwyn Garden City AL7 4LU

    Received 1 Oct 2019
  23. Decided - Granted6/2018/0393/TPO

    Reduce 1 x Oak tree by 1-2m and further on the neighbours side (3-4m)

    1 Sparrowhawk Place Hatfield AL10 9UR

    Received 7 Feb 2018
  24. Decided - Granted6/2017/1247/LB

    Re-roofing of main building and adjacent block including timber repairs and installation of insulation. Brickwork cleaning, repairs and re-pointing to main house. Repairs to timber bell tower, dormer windows, windows, cladding and other joinery to both buildings. Replacement of lead flashings and roofing where removed. Cleaning and decoration of previously painted surfaces. Replacement of two large rotten timber structural beams at roof level including dismantling and reinstating roof structure within the locality.

    Bush Hall Hotel Chequers Hatfield AL9 5NT

    Received 7 Jun 2017

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

  • 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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