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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
283Recorded as pending
86%Approval rate · 33,821 approved or refused records
4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 8 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2022/1557/TPO

    T1 Sycamore to reduce back to previous points (approximately 3m) and crown lift to 5m above ground level. (Amended)

    8 Twin Foxes Woolmer Green Hertfordshire SG3 6QT

    Received 4 Jul 2022
  2. Decided - Granted6/2017/2340/FULL

    Development of a battery storage facility with associated infrastructure.

    Land at Tollgate Farm Tollgate Road Welham Green AL4 0NY

    Received 12 Oct 2017
  3. Decided - Granted6/2016/2495/ADV

    Installation of 1 illuminated fascia sign to external cladding at high level to east elevation, rear of warehouse. Installation of 1 illuminated fascia sign to external cladding at high level to west elevation, rear of warehouse

    Former Argos Distribution Depot, 11 Bessemer Road Welwyn Garden City AL7 1HB

    Received 23 Nov 2016
  4. Decided - Granted6/2020/2201/PN8

    Prior approval for the demolition of existing shed to facilitate the erection of a single storey rear extension measuring 6m in depth, 2.82m in height and 2.82m to the eaves.

    19 Longmead Hatfield AL10 0AB

    Received 26 Aug 2020
  5. Decided - Granted6/2017/1041/EM

    Replacement of existing rear patio door with double glazed window

    70 Brockswood Lane Welwyn Garden City AL8 7BQ

    Received 12 May 2017
  6. Decided - GrantedW6/2015/1216/EM

    Erection of a rear conservatory

    43 Archers Ride Welwyn Garden City AL7 4PR

    Received 9 Jun 2015
  7. Appeal Decided - AllowedW6/2014/1692/EM

    Erection of garage extension and projecting canopy

    9 Roundwood Drive, Welwyn Garden City, AL8 7JZ

    Received 25 Jul 2014
  8. Decided6/2024/1921/TC

    Fell 1 x Cherry Tree

    55 High Street Welwyn AL6 9EH

    Received 8 Oct 2024
  9. Decided - Granted6/2017/0391/HOUSE

    Replace timber frames and glazing of existing rear conservatory with UPVC frames and glass.

    47 Elm Gardens Welwyn Garden City AL8 6RX

    Received 1 Mar 2017
  10. Appeal Decided - Dismissed6/2018/3109/EM

    Retrospective replacement of front door

    13 The Croft Welwyn Garden City AL7 4JY

    Received 5 Dec 2018
  11. Decided - Granted6/2020/3071/HOUSE

    Erection of side and rear extensions and enlargement of existing garage

    87 Brookside Crescent Cuffley Potters Bar EN6 4QP

    Received 19 Nov 2020
  12. Decided - Granted6/2021/1659/EMH

    Replacement of shed

    351 Knightsfield Welwyn Garden City AL8 7NB

    Received 24 May 2021
  13. Decided - Granted6/2020/3441/VAR

    Variation of condition 13 (approved drawings) on planning permission 6/2020/0456/FULL to extend the building northwards by 1.2m

    75 Oaklands Avenue Brookmans Park AL9 7UH

    Received 23 Dec 2020
  14. Decided - Granted6/2016/0189/LAWP

    Certificate of lawfulness for loft conversion with rear dormer extension

    51 Pooleys Lane, Welham Green, Hatfield, AL9 7LG

    Received 3 Feb 2016
  15. Appeal Decided - DismissedS6/2013/1990/FP

    Erection of single storey front extension, pitch roof to front dormer, pitch roof to replace flat roof to existing rear ground floor extension and alteration to front entrance steps

    14 Bacons Drive, Cuffley, EN6 4EF

    Received 18 Sept 2013
  16. Decided - Granted6/2024/1392/EM

    Installation of 12 Solar PV Panels on ground mounted frame in rear garden

    30 Barleycroft Road, Welwyn Garden City, AL8 6JU

    Received 19 Jul 2024
  17. Decided - Granted6/2025/0329/TPO

    T1 oak to reduce back to old pruning points (about 2-3m) (TPO638 (2017)

    10 Bracken Lane Welwyn AL6 0RB

    Received 19 Feb 2025
  18. Decided - Granted6/2021/2132/EM

    Erection of a single storey rear and side extension, first floor rear extension, rear basement with roof lights and external and internal alterations

    32 Parkway Welwyn Garden City AL8 6HQ

    Received 14 Jul 2021
  19. Decided - GrantedN6/2014/1400/FP

    Erection of part single part double storey side extension

    2 Pentley Close, Welwyn Garden City, AL8 7SH

    Received 20 Jun 2014
  20. Decided - Granted6/2021/3332/HOUSE

    Erection of a single storey rear extension following demolition of rear conservatory and part first floor rear extension with rear facing dormer window

    24 Brockswood Lane Welwyn Garden City AL8 7BG

    Received 25 Nov 2021
  21. Decided - Withdrawn6/2025/2369/FULL

    Erection of dwelling following demolition of outbuilding

    6 Ross Close Hatfield AL10 0QT

    Received 11 Nov 2025
  22. Decided - GrantedS6/2015/0308/DS

    Approval of details reserved by condition 13F (Full Validation Report to cover all works specified in the Remediation Strategy) of S6/2011/2254/S73A

    Former Veolia Waterworks, 1 Bishops Rise, Hatfield, AL10 9HJ

    Received 17 Feb 2015
  23. Decided - GrantedS6/2013/1269/FP

    Erection of single storey rear and two storey side extensions. Demolition and replacement of existing garage.

    359 St Albans Road West, Hatfield, AL10 9RU

    Received 19 Jun 2013
  24. Decided - Granted6/2019/2363/HOUSE

    Erection of conservatory

    15 Ellenbrook Lane Hatfield AL10 9RW

    Received 24 Sept 2019

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

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    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.

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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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