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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
31,424Searchable applications
303Recorded as pending
87%Approval rate · 26,220 approved or refused records
3,450Refused applications

22,770 approved · 3,450 refused · 1,665 withdrawn. Received dates in our records: 29 Apr 1948 to 13 Oct 2026. Most recent record check: 19 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2022/2856/HOUSE

    Erection of a single storey side extension following the demolition of existing conservatory

    59 Wild Hill Hatfield AL9 6EA

    Received 18 Dec 2022
  2. Decided - Granted6/2025/2148/COND

    Submission of details pursuant to condition 31 (Arrangements for future management and maintenance of the proposed streets within the development),on planning permission 6/2022/1375/MAJ

    Land at Hollybush Lane to the east of A1000 and north of Ascots Lane Creswick Welwyn Garden City

    Received 8 Oct 2025
  3. Appeal Decided - Dismissed6/2016/1070/PN3

    Prior approval for the erection of agricultural building for storage measuring 36.5m in length, 12.5m in breadth, 5.1m to the eaves and 9.8m to the ridge

    Nyn Manor Farm Barn, Vineyards Road, Northaw

    Received 31 May 2016
  4. Decided - Granted6/2021/2872/HOUSE

    Erection of a single storey rear extension

    2E Heath Close Little Heath Potters Bar EN6 1LT

    Received 6 Oct 2021
  5. Decided - GrantedN6/2014/0211/TC

    Removal of Poplar tree and reduce Cherry tree by 20%

    76 Parkway, Welwyn Garden City, AL8 6HH

    Received 4 Feb 2014
  6. Decided - Granted6/2016/0631/HOUSE

    Erection of a single storey rear extension and first floor side extension

    10 Hyde Valley, Welwyn Garden City, AL7 4NA

    Received 6 Apr 2016
  7. Decided - Granted6/2018/0354/EM

    Fell 1 x Rowan tree (Tree A)

    6 Woodland Rise Welwyn Garden City AL8 7LF

    Received 2 Feb 2018
  8. Decided - Granted6/2021/3378/HOUSE

    Rear ground & first floor extension and insertion of first floor window in side wall.

    2 Malmsdale Welwyn Garden City AL8 7QN

    Received 1 Dec 2021
  9. Decided - Granted6/2024/1188/TPO

    TPO13 T2 Oak - Reduce by 2.5m and remove dead wood.

    46A Moffats Lane Brookmans Park AL9 7RU

    Received 26 Jun 2024
  10. Decided - Granted6/2018/2612/HOUSE

    Erection of a single storey side extension and conversion of existing garage into a habitable space

    21 Peregrine Way Hatfield AL10 9UP

    Received 11 Oct 2018
  11. Decided - Granted6/2015/1990/EM

    Erection of two storey and single storey side extensions

    23 Summer Dale, Welwyn Garden City, AL8 7QH

    Received 23 Sept 2015
  12. Appeal Decided - Allowed6/2017/0698/LAWP

    Certificate of lawfulness for the erection of a single storey rear extension at ground level

    29 Station Road Welham Green Hatfield AL9 7PQ

    Received 6 Apr 2017
  13. Decided - GrantedN6/2013/2394/DS

    Discharge of conditions 3 and 4 (Contamination and Remediation) of planning permission N6/2013/0491/MA - Demolition of existing community building erection of replacement community facility and 18 affordable dwellings

    Hyde Club, Hollybush Lane, Welwyn Garden City, AL7 4JS

    Received 12 Nov 2013
  14. Decided - Granted6/2026/0481/EM

    Erection of part single and part two storey rear extension, following demolition of conservatory with alterations to side & rear openings

    159 Handside Lane Welwyn Garden City AL8 6TA

    Received 16 Mar 2026
  15. Decided - Refused6/2024/1068/HOUSE

    Erection of a two storey front and first floor side and rear extensions, hip to gable roof extension, rear box dormer with loft conversion and front porch

    37 Bramble Road Hatfield AL10 9RZ

    Received 10 Jun 2024
  16. Decided - GrantedS6/2013/1729/FP

    Erection of front porch

    8 Shrublands, Brookmans Park, Hatfield, AL9 7AL

    Received 8 Aug 2013
  17. Decided - GrantedS6/2013/0901/FP

    Erection of two storey rear and side extension

    27 Thornton Road, Little Heath, POTTERS BAR, EN6 1JJ

    Received 29 Apr 2013
  18. Decided - Granted6/2018/2890/HOUSE

    Erection of a single storey rear extension and alterations

    39 Archers Ride Welwyn Garden City AL7 4PR

    Received 8 Nov 2018
  19. Decided - Split6/2022/2218/COND

    Submission of details pursuant of condition 1 (noise), 2 (noise control) and 3 (ventilation) on planning permission 6/2022/0733/FULL

    35-37 Howardsgate Welwyn Garden City AL8 6AP

    Received 23 Sept 2022
  20. Decided - Refused6/2021/1746/PN8

    Prior approval for the erection of a single storey rear extension

    36 Pine Grove Brookmans Park Hatfield AL9 7BS

    Received 3 Jun 2021
  21. Decided - Granted6/2017/1712/LAWP

    Certificate of lawfulness for the installation of a rear dormer window and 2 front roof lights

    77 Birchwood Avenue Hatfield AL10 0PT

    Received 3 Aug 2017
  22. Decided - Granted6/2017/2954/LAWP

    Certificate of lawfulness for hip to gable and rear dormer loft conversion

    13 Ellenbrook Lane Hatfield AL10 9RW

    Received 21 Dec 2017
  23. Decided - Granted6/2022/2188/HOUSE

    Demolition of existing garage and store rooms to side and erection of two storey front/side/rear extension, single storey rear extension with insertion of roof lights, roof light to existing front roof. New raised patio area with stepped access. Removal of chimney and addition of solar panels.

    27 Warren Way Digswell Welwyn Hertfordshire AL6 0DQ

    Received 21 Sept 2022
  24. Decided - Granted6/2021/1085/HOUSE

    Erection of single storey front extension and insertion of front window to facilitate conversion of garage into habitable space.

    25 Swanley Bar Lane Little Heath Potters Bar EN6 1NR

    Received 1 Apr 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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