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
35,857Searchable applications
331Recorded as pending
86%Approval rate · 29,876 approved or refused records
4,057Refused applications

25,819 approved · 4,057 refused · 1,884 withdrawn. Received dates in our records: 29 Apr 1948 to 16 Oct 2026. Most recent record check: 23 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 Counts reflect the last collected status; some records may be out of date.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. Decided - GrantedN6/2009/1343/S73B

    VARIATION OF CONDITION 3 FROM C6/0034/84 TO: THE RETAIL WAREHOUSE HEREBY APPROVED SHALL BE USED ONLY FOR THE SALE OF i) DIY, HOME IMPROVEMENT AND GARDEN PRODUCTS ii) FURNITURE iii) FLOOR COVERINGS iv) WHITE GOODS

    B & Q PLC, SWALLOWFIELDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1JD

    Received 30 Jun 2009
  2. Decided - Granted6/2018/2099/LAWP

    Certificate of lawfulness for the erection of a single storey rear extension

    51 Homewood Avenue Cuffley Potters Bar EN6 4QQ

    Received 13 Aug 2018
  3. Decided - Granted6/2017/2726/HOUSE

    Erection of single storey rear extension.

    78 Georges Wood Road Brookmans Park Hatfield AL9 7BU

    Received 23 Nov 2017
  4. Decided - Granted6/2019/1816/HOUSE

    Conversion of garage to habitable space

    75 Lords Wood Welwyn Garden City AL7 2HG

    Received 23 Jul 2019
  5. Decided - Granted6/2022/1466/HOUSE

    Erection of a first floor extension to convert a bungalow into a two storey dwelling with retention of a single storey rear extension and outbuilding

    13 Plough Hill Cuffley Potters Bar EN6 4DN

    Received 23 Jun 2022
  6. Decided - Refused6/2019/1241/EM

    Installation of roof solar panels

    307 Knightsfield Welwyn Garden City AL8 7NJ

    Received 22 May 2019
  7. Decided - Granted6/2020/2040/EMT

    1 x dead Cherry to fell to ground level 1 x dead Sahara Cypress to fell to ground level Group of hedge Hornbeam and Hazel to reduce height by 3m & laterally by 1.5m. 1 x Elder to fell to ground level

    8 Densley Close Welwyn Garden City AL8 7JX

    Received 13 Aug 2020
  8. Decided - GrantedN6/2014/2109/FP

    Part conversion of garage to form wet room, formation of enlarged ground floor window and door opening

    85 Lords Wood, Welwyn Garden City, AL7 2HG

    Received 25 Sept 2014
  9. Decided - Granted6/2017/2182/EM

    Single storey rear extension to form party wall of extension at No.5 East Mead.

    6 East Mead Welwyn Garden City AL7 4RR

    Received 22 Sept 2017
  10. Decided - Refused6/2020/3141/LAWP

    Certificate of lawfullness for loft conversion and extension 50m3. Single storey side extensions half the width of the existing house and a single-storey rear extension and conversion to a 6 bedroom HMO.

    84 Warrengate Road North Mymms Hatfield AL9 7TY

    Received 24 Nov 2020
  11. Appeal Decided - Dismissed6/2017/1139/FULL

    Erection of 12x floodlighting columns (6.7 metre high) to Courts 2 and 3

    Dellcott Tennis Club Dognell Green Welwyn Garden City AL8 7BL

    Received 25 May 2017
  12. Decided - Granted6/2019/0628/LAWP

    Certificate of lawfulness for the erection of the single storey side extension

    88 College Lane Hatfield AL10 9PQ

    Received 15 Mar 2019
  13. Decided - GrantedW6/2008/0581/EM

    ERECTION OF SINGLE STOREY SIDE EXTENSION AND INSERTION OF WINDOW

    168 PARKWAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6HZ

    Received 18 Mar 2008
  14. Decided - GrantedN6/2014/1367/FP

    Alteration of roof to accommodate enlargement of first floor accommodation

    15 Hillside Way Welwyn AL6 0TY

    Received 17 Jun 2014
  15. Decided - Granted6/2018/1165/COND

    Submission of details pursuant to condition 5 (scheme of remediation) on planning permission 6/2016/2624/FULL

    Mercury House 1 Broadwater Road Welwyn Garden City AL7 3BQ

    Received 3 May 2018
  16. Decided - Granted6/2026/0870/FULL

    Installation of 1 no. new communications Kiosk with integrated defibrillator and advertising display

    Land Outside 54 Howardsgate Welwyn Garden City AL8 6BP

    Received 18 May 2026
  17. Decided - Granted6/2026/1219/LAWP

    Certificate of lawfulness for a proposed loft conversion with the installation of a rear dormer and four rooflights in the front elevation

    57 Briars Lane Hatfield AL10 8EX

    Received 13 Jul 2026
  18. Decided - Refused6/2025/0178/FULL

    Erection of rear dormer to main roof; replacement of existing garage roof with dual-pitched roof including front dormer, and conversion of garage to sensory room and office with glass link to main building

    115 Dixons Hill Road Welham Green Hatfield AL9 7EE

    Received 3 Feb 2025
  19. Decided - Granted6/2023/0780/ADV

    Installation of 2 x replacement non illuminated fascia signs

    30 Howardsgate Welwyn Garden City AL8 6BJ

    Received 11 Apr 2023
  20. Decided - RefusedW6/2014/2261/EM

    Erection of single storey and two storey rear extensions following demolition of existing conservatory

    3 Handside Green Welwyn Garden City AL8 6SQ

    Received 14 Oct 2014
  21. Decided - Granted6/2024/1258/EM

    Installation of a driveway

    5 Breakmead Welwyn Garden City AL7 3HG

    Received 4 Jul 2024
  22. Decided - Granted6/2021/2023/EM

    Replacement of driveway as shared project with 46 Fordwich Road, due to shared areas

    48 Fordwich Road Welwyn Garden City AL8 6EY

    Received 2 Jul 2021
  23. Decided - Granted6/2020/3208/HOUSE

    Garage conversion into habitable room with a window, proposed window openings and alterations to existing window openings of dwellinghouse

    152 Tolmers Road Cuffley Potters Bar EN6 4JR

    Received 27 Nov 2020
  24. Decided - Granted6/2020/0125/HOUSE

    Erection of two storey front extension, hip to gable roof extension with dormers to facilitate loft conversion and installation of rooflights

    17 Bluebridge Road Brookmans Park Hatfield AL9 7UW

    Received 15 Jan 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

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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