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
39,482Searchable applications
344Recorded as pending
86%Approval rate · 33,034 approved or refused records
4,721Refused applications

28,313 approved · 4,721 refused · 2,164 withdrawn. Received dates in our records: 29 Apr 1948 to 21 Oct 2026. Most recent record check: 27 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2021/3149/COND

    Approval of condition 17 (external lighting) on planning permission 6/2019/2782/VAR

    Plot 6000, Land adjacent to the Porsche Garage Hatfield Hatfield Business Park AL10 9UA

    Received 3 Nov 2021
  2. Decided - SplitN6/2010/0341/TP

    THIN AND REDUCE THREE SWEET CHESTNUT TREES AND ONE SYCAMORE TREE BACK TO PREVIOUS CUTS, REDUCE OAK TREE AND SILVER BIRCH TREE CROWNS BY 25% AND FELL ONE HORNBEAM TREE, ONE SCOTS PINE TREE AND ONE SILVER BIRCH TREE COVERED BY TPO 12

    4 Firway Close Welwyn AL6 0RE

    Received 24 Feb 2010
  3. Decided - Granted6/2017/2272/PN8

    Prior approval for the erection of a single storey rear extension measuring 8m in depth, 3.90m in height and 2.50m to the eaves

    Camleigh Farm Cucumber Lane Essendon Hatfield AL9 6JB

    Received 4 Oct 2017
  4. Decided - Granted6/2019/2311/FULL

    Erection of two dwellings following demolition of existing dwelling

    7 Hanyards Lane Cuffley Potters Bar EN6 4AS

    Received 6 Sept 2019
  5. Decided - GrantedN6/2008/1670/FP

    ERECTION OF TWO STOREY REAR EXTENSION FOLLOWING DEMOLITION OF EXISTING SINGLE STOREY REAR EXTENSION

    25 BLAKEMERE ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7PQ

    Received 23 Aug 2008
  6. Decided - Granted6/2021/2494/HOUSE

    Erection of a single storey rear extension to include insertion of roof light into existing flat roof and a single storey side/rear extension to attached outbuilding.

    45 Fordwich Road Welwyn Garden City AL8 6EY

    Received 25 Aug 2021
  7. Decided - Granted6/2019/1722/HOUSE

    Erection of single storey side and rear extension, installation of rear dormer window and installation of roof lights to facilitate loft conversion

    41 Elmwood Welwyn Garden City AL8 6LD

    Received 12 Jul 2019
  8. Decided - GrantedW6/2007/1445/EM

    ERECTION OF A TWO STOREY SIDE EXTENSION, SINGLE STOREY FRONT AND REAR EXTENSION FOLLOWING DEMOLITION OF EXISTING OUTBUILDING AND GARAGE

    14 Hyde Valley, Welwyn Garden City, AL7 4NA

    Received 27 Sept 2007
  9. Decided - Granted6/2023/2101/EMT

    T2 x Leyland cypress to reduce by approximately 5m in height (see annotated picture) to improve light into the garden area

    30 Guessens Road Welwyn Garden City AL8 6RA

    Received 16 Oct 2023
  10. Appeal Decided - AllowedS6/2009/2656/FP

    RETENTION OF TRACTOR AND HAY STORE

    Land R/O, 25 Bullens Green Lane, COLNEY HEATH, ST ALBANS, HERTS, AL4 0QR

    Received 4 Dec 2009
  11. Decided - Granted6/2017/2106/HOUSE

    Erection of first floor rear extension plus installation of roof light and window to side elevation

    13 Brockswood Lane Welwyn Garden City AL8 7BA

    Received 19 Sept 2017
  12. Decided - Granted6/2025/1048/EM

    Replacement of an entrance door and associated panels

    15 High Oaks Road Welwyn Garden City AL8 7BJ

    Received 3 Jun 2025
  13. Appeal Decided - DismissedS6/2008/1243/FP

    ERECTION OF THREE BEDROOM DETACHED DWELLING

    Land rear of 36 Clarkes Road Hatfield AL10 0HL

    Received 20 Jul 2008
  14. Decided - Granted6/2023/0789/FULL

    Installation of fully automated double leaf swing gate and installation of a manual pedestrian gate

    Cavendish Place Aldykes Hatfield AL10 8FD

    Received 11 Apr 2023
  15. Decided - Refused6/2025/0287/PN8

    Prior approval for the erection of a ground floor rear extension measuring 6m in depth, 4m in height and 3m to the eaves

    30 St Albans Road East Hatfield AL10 0EH

    Received 18 Feb 2025
  16. Decided - RefusedN6/2013/1136/FP

    Erection of part single part two storey rear extension

    57 Valley Road, Welwyn Garden City, AL8 7DH

    Received 30 May 2013
  17. Decided - Granted6/2018/1232/FULL

    Change of use from A1 Post Office to A3/A4 Restaurant and Drinking Establishment with associated works

    17-19 Howardsgate Welwyn Garden City AL8 6HA

    Received 9 May 2018
  18. Decided - Refused6/2021/0329/LAWP

    Certificate of lawfulness for the erection of a 3m two storey rear extension, hip to gable loft conversion including rear dormers and insertion of front and side rooflights following partial demolition of existing single storey extensions

    22 Hawkshead Lane Hatfield AL9 7TB

    Received 3 Feb 2021
  19. Decided - Granted6/2021/0808/LAWP

    Certificate of lawfulness for the erection of first floor to single storey dwelling

    45 Codicote Road Welwyn AL6 9TT

    Received 12 Mar 2021
  20. Decided - Granted6/2021/1873/HOUSE

    Erection of a two storey rear infill extension and single storey side extension with link corridor to replace existing outbuilding

    7 Handside Close Welwyn Garden City AL8 6SR

    Received 18 Jun 2021
  21. Decided - Granted6/2024/0846/EMT

    15ft crown reduction to 9 x Conifers at rear of garden

    34 Fordwich Road Welwyn Garden City AL8 6EY

    Received 7 May 2024
  22. Decided - GrantedW6/2015/0368/EM

    Erection of single storey rear extension

    31 Newfields, Welwyn Garden City, AL8 6YS

    Received 23 Feb 2015
  23. Decided - Granted6/2024/0688/EM

    Provision of a ramped approach with handrail to the front elevation

    3 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 11 Apr 2024
  24. Decided - Granted6/2021/0708/EM

    Formation of driveway at front for parking for up to two cars

    3 Hitherway Welwyn Garden City AL8 7RG

    Received 2 Mar 2021

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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Guides to planning records

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  • Understanding planning · 13 min read

    Planning permission drawings: how to read plans

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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.

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