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
33,620Searchable applications
313Recorded as pending
87%Approval rate · 28,142 approved or refused records
3,686Refused applications

24,456 approved · 3,686 refused · 1,748 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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

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 - GrantedW6/2014/1582/EM

    Removal of existing shed and summerhouse and erection of timber garden room

    7 The Valley Green, Welwyn Garden City, AL8 7DQ

    Received 11 Jul 2014
  2. Decided - Granted6/2025/1264/TPO

    T1 Corsican pine to reduce by approximately 1.5m in height and 2m in width. (TPO 62)

    16 Wendover Drive Welwyn AL6 9LT

    Received 19 Jun 2025
  3. Decided - Granted6/2023/2263/EMT

    T1-Cherry-Fell to ground level & grind away stump as it is dying due to honey fungus T2-Sycamore-Lift crown to 6 metres to maintain height of crown for the garden and surrounding areas

    10 Brockswood Lane Welwyn Garden City AL8 7BG

    Received 8 Nov 2023
  4. Decided - Granted6/2017/1272/EM

    Erection of single storey rear extension

    25 Middlefield Welwyn Garden City AL7 4DQ

    Received 12 Jun 2017
  5. Decided - Granted6/2023/2240/EMT

    Holly hedge to reduce height by 50% due to blocking sunlight

    17 Pentley Park Welwyn Garden City AL8 7RT

    Received 3 Nov 2023
  6. Decided - RefusedN6/2013/0784/FP

    Erection of single storey storage building

    67 London Road Woolmer Green Knebworth SG3 6HG

    Received 16 Apr 2013
  7. Decided - Granted6/2024/1330/PN8

    Prior approval for the erection of a single storey rear infill extension measuring 6.00m in depth, 2.70m in height and 2.50m to the eaves

    47 Coopers Road Little Heath Potters Bar EN6 1JQ

    Received 11 Jul 2024
  8. Decided - GrantedN6/2013/2580/LUP

    Certificate of lawfulness for proposed loft conversion with rear dormer and two rooflights to front elevation

    15 Rollswood Road Welwyn AL6 9TX

    Received 4 Dec 2013
  9. Decided - Granted6/2023/0856/HOUSE

    Erection of a single storey rear extension following the demolition of an existing rear extension

    51 Herns Lane Welwyn Garden City AL7 2AG

    Received 21 Apr 2023
  10. Decided - Granted6/2023/0268/HOUSE

    Erection of ground floor rear/side extension/first floor rear extension. Insertion of first floor windows to side elevations, insertion of flat roof lights & internal/external alterations. Re-roofing. External landscape works with structures

    45 Fordwich Road Welwyn Garden City AL8 6EY

    Received 3 Feb 2023
  11. Decided - GrantedS6/2015/1351/FP

    Erection of a front porch

    13 Bramble Road Hatfield AL10 9RZ

    Received 24 Jun 2015
  12. Decided6/2022/0601/TC

    1 x Paper Birch to fell to ground level - Birch is dominating the middle of the lawn 1 x Lawson Cypress to reduce height by approximately 4m. This is becoming too large for the garden

    12 Little Dell Welwyn Garden City Hertfordshire AL8 7HZ

    Received 14 Mar 2022
  13. Decided - Withdrawn6/2022/0699/EMH

    Loft conversion with rear facing dormers

    159 Parkway Welwyn Garden City AL8 6JA

    Received 24 Mar 2022
  14. Decided - Granted6/2019/0041/EM

    Erection of a single storey front and rear extension, front gate , side boundary fence and the tempory stationing of caravan

    9 Creswick Court Welwyn Garden City AL7 3SX

    Received 9 Jan 2019
  15. Decided - Granted6/2025/1029/HOUSE

    Remodelling of the existing house to include alterations to the roof and roofline with skylights and rear dormer, two storey front extension, two storey rear extension, reconstruction of existing garage and utility/family room

    3 Orchard Close Cuffley Potters Bar EN6 4QD

    Received 2 Jun 2025
  16. Decided - GrantedW6/2014/0220/TE

    Removal of one Yew & one Cherry tree

    29 Digswell Road, Welwyn Garden City, AL8 7PB

    Received 10 Feb 2014
  17. Decided - Granted6/2021/2992/HOUSE

    Erection of a single storey rear extension with insertion of 3 x roof lights involving demolition of existing outbuilding

    53 Crossway Welwyn Garden City AL8 7ED

    Received 19 Oct 2021
  18. Decided6/2023/0058/COND

    Confirmation that all conditions associated with planning permission N6/2000/0118/FP have been fully discharged

    Centrapark Bessemer Road Welwyn Garden City AL7 1HB

    Received 10 Jan 2023
  19. Decided - Granted6/2019/0287/EM

    Erection of single storey rear extension with alterations to openings

    38 Coltsfoot Welwyn Garden City AL7 3HZ

    Received 8 Feb 2019
  20. Decided - Granted6/2020/0358/EM

    Fell 1x Ash Tree

    16 Walden Road Welwyn Garden City AL8 7PF

    Received 10 Feb 2020
  21. Decided - GrantedS6/2014/0235/FP

    Erection of single storey rear extension and replacement garage

    1 Heronfield, Little Heath, Potters Bar, EN6 1JA

    Received 29 Jan 2014
  22. Decided - Granted6/2026/0553/EM

    Installation of hardstanding due to OT Request, Removal of approx 2.75M of hedgerow to accommodate access, remaining hedgerow trimmed to 0.7M to allow safe access and meet HCC approval

    121 Rowans Welwyn Garde City AL7 1PE

    Received 25 Mar 2026
  23. Decided - Granted6/2018/1644/EM

    Reduce 1 x Cherry Plum tree to 1m above previous point and repollard 4 x Lime trees

    12 Guessens Road Welwyn Garden City AL8 6QR

    Received 22 Jun 2018
  24. Decided - Granted6/2025/1748/HOUSE

    Erection of single storey side extension

    16 Guessens Road Welwyn Garden City AL8 6QR

    Received 18 Aug 2025

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.

  • 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