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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
40,297Searchable applications
322Recorded as pending
86%Approval rate · 33,788 approved or refused records
4,816Refused applications

28,972 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 Nov 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2018/3057/LAWP

    Certificate of lawfulness for erection of a non structural timber cage for bins

    1 Barndicott House Barndicott Welwyn Garden City AL7 2BS

    Received 30 Nov 2018
  2. Decided - Granted6/2019/0745/LAWP

    Installation of dormer to facilitate loft conversion, gable roof and alterations to openings

    9 Selwyn Crescent Hatfield AL10 9NL

    Received 29 Mar 2019
  3. Decided - Granted6/2019/1085/HOUSE

    Installation of a gated access to front drive

    27 Tolmers Road Cuffley Potters Bar EN6 4JF

    Received 7 May 2019
  4. Decided - Granted6/2017/0437/HOUSE

    Erection of a single storey rear erection following demolition of existing, alterations to front entrance with double height effect, installation of front window to facilitate garage conversion and installation of 2 side and 1 rear dormer windows to facilitate loft conversion to habitable space.

    18 Starling Lane Cuffley Potters Bar EN6 4JX

    Received 6 Mar 2017
  5. Decided - Granted6/2020/1446/HOUSE

    Erection of part single and part two storey rear extension, increase of roof ridgeline, insertion of rear dormer window, 2 no. front rooflights, 1 no. rooflight to each side roofslope and 1 no. first floor window to the eastern flank elevation wall and 2 no. first floor windows within the western flank elevation wall to facilitate loft conversion.

    4 Bluebridge Road Hatfield AL9 7SB

    Received 19 Jun 2020
  6. Decided - Refused6/2018/0503/HOUSE

    Erection of a single storey side/front extension following demolition of existing single storey structure

    56 Talbot Road Hatfield AL10 0QY

    Received 20 Feb 2018
  7. Decided - GrantedS6/2008/0395/FP

    ROOF CONVERSION TO FORM GABLE END

    48 WESTLAND DRIVE, BROOKMANS PARK, HATFIELD, AL9 7UQ

    Received 26 Feb 2008
  8. Decided - Granted6/2023/0823/LAWP

    Certificate of lawfulness for single storey side extension

    25 Lemsford Village Lemsford Welwyn Garden City AL8 7TN

    Received 18 Apr 2023
  9. Decided - GrantedC6/1987/1088/FP

    First floor side extension

    21 Wyton, Welwyn Garden City, AL7 2PE

    Received 1 Jan 1987
  10. Decided - Granted6/2025/0968/EMT

    1 x Ash to remove 1 x low limb back to main trunk. Upper branches to reduce by approximately 2.5m in order to reduce the amount of overhanging branches to number 76

    74 Howicks Green Welwyn Garden City AL7 4RH

    Received 27 May 2025
  11. Decided - Granted6/2015/1930/COND

    Approval of details reserved by condition 3 (landscaping) on planning permission S6/2012/1927/FP

    30 Great North Road Brookmans Park Hatfield AL9 6NF

    Received 16 Sept 2015
  12. Decided6/2022/1583/TC

    Removal of a dead rowan tree. The tree is approximately 6-7m high and approximately 5m from house.

    6 Little Youngs Welwyn Garden City AL8 6SL

    Received 6 Jul 2022
  13. Decided - Refused6/2020/0814/FULL

    Erection of two storey side and rear extensions to facilitate subdivision of existing dwelling into 1x dwellinghouse and 2x flats with associated car parking and landscaping

    119 Garden Avenue Hatfield AL10 8LH

    Received 31 Mar 2020
  14. Decided - GrantedS6/2013/0919/FP

    Demolition of part basement structure, adaptation and completion of remaining part built structure to provide single dwelling and construction of detached garage with associated parking and landscaping

    Warrenwood Manor, Hornbeam Lane, Brookmans Park, Hatfield, AL9 6JF

    Received 25 Apr 2013
  15. Decided - RefusedN6/2013/1948/LUE

    Certificate of Lawfulness for ancillary use of existing residential property for registered childminding

    8 Blakemere Road, Welwyn Garden City, AL8 7PJ

    Received 4 Sept 2013
  16. Under Consultation6/2026/1784/FULL

    Replacement bin store

    Colonial House 87 Great North Road AL9 5DA

    Received 7 Oct 2026
  17. Decided - GrantedW6/2004/1097/EM

    ERECTION OF SINGLE STOREY REAR EXTENSION

    93 Great Ganett, Welwyn Garden City, AL7 3DD

    Received 16 Jul 2004
  18. Decided - Granted6/2025/0228/HOUSE

    Conversion of garage with alterations to the front elevation to include infilling with matching brickwork and insertion of window

    4 Wyton Welwyn Garden City AL7 2PF

    Received 10 Feb 2025
  19. Decided - Granted6/2025/0734/HOUSE

    Erection of a single storey side and rear extension and loft conversion

    1 Oaklands Avenue Brookmans Park AL9 7UH

    Received 17 Apr 2025
  20. Decided6/2025/0805/TC

    1 x Honey locust to remove low limb growing over neighbouring garden 1x Irish yew to fell to ground level

    114 Parkway Welwyn Garden City AL8 6HN

    Received 28 Apr 2025
  21. Decided - Granted6/2022/0578/EM

    Removal and replacement of existing roof, using reclaimed and new matching like for like tiles - maintaining bonnet tiles on the hips of the roof as per drawing in the previously approved plans.

    35 Elmwood Welwyn Garden City AL8 6LD

    Received 11 Mar 2022
  22. Decided - Granted6/2021/0673/HOUSE

    Erection of single storey rear extension; enlargement of roof; and installation of rear Juliet balcony and side rooflight

    33 Hill Rise Cuffley Potters Bar EN6 4EH

    Received 1 Mar 2021
  23. Decided - Granted6/2018/1926/COND

    Submission of details pursuant to condition 3 (construction method statement) on Listed Building Consent 6/2016/1883/LB

    Former Roche Site 40 Broadwater Road Welwyn Garden City AL7 3AY

    Received 20 Jul 2018
  24. Decided - Granted6/2022/0134/EMT

    Reduce the conifers by 40% at boundary between 24 Moorlands and 1 The Pastures. Currently the conifers are approximately 5m in height they are in need of trimming to remain healthy.

    24 Moorlands Welwyn Garden City AL7 4PP

    Received 19 Jan 2022

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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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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