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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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2007/1905/LB

    ERECTION OF A SINGLE STOREY REAR EXTENSION, FOLLOWING PARTIAL DEMOLITION OF EXISTING REAR EXTENSION

    Halls House 2 Halls Close Hobbs Hill Welwyn AL6 9DF

    Received 12 Dec 2007
  2. Decided - Refused6/2024/1405/EM

    Removal of disused chimney

    12 Brockswood Lane Welwyn Garden City AL8 7BG

    Received 23 Jul 2024
  3. Decided - Granted6/2018/0690/HOUSE

    Erection of single storey side extension

    28 Sylvandale Welwyn Garden City AL7 2HT

    Received 14 Mar 2018
  4. Decided - GrantedS6/2013/2306/NM

    Non material amendment following approval of planning permission S6/2013/1502/FP - Alterations to windows & doors as approved from single pane doors & windows to multi pane doors & windows on rear elevation to match as built doors & windows to annexe extension. Replacement of existing glazed door with multi pane window at stairs and alteration to glazed side panel at entrance door to increase width

    NORTHFIELD, Woodfield Lane, Brookmans Park, Hatfield, AL9 6JJ

    Received 6 Nov 2013
  5. Decided - RefusedN6/2014/2649/NM

    Non material amendment following approval of planning permission N6/2014/1355/FP - Change of brick material to match existing dwelling

    69 Woodhall Lane Welwyn Garden City AL7 3TG

    Received 8 Dec 2014
  6. Decided - Granted6/2019/2973/TPO

    Reduce 1 x Silver Birch by reduce by 2.5m height &1.5m width covered by TPO 731 (2018)

    17 Fern Grove Welwyn Garden City AL8 7ND

    Received 26 Nov 2019
  7. Decided - GrantedW6/2013/1103/EM

    Replacement of existing front porch

    29 Rosedale, WELWYN GARDEN CITY, AL7 1DW

    Received 28 May 2013
  8. Decided - Refused6/2019/0313/EM

    Change of use of public amenity land to form crossover to serve new hardstanding

    82 Thistle Grove Welwyn Garden City AL7 4AQ

    Received 12 Feb 2019
  9. Decided - GrantedW6/2007/0677/EM

    ERECTION OF DETACHED GARAGE FOLLOWING DEMOLITION OF EXISTING

    78 Peartree Lane, Welwyn Garden City, AL7 3UH

    Received 1 May 2007
  10. Decided - GrantedN6/2007/1775/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    18 Windsor Road Welwyn AL6 9JJ

    Received 21 Nov 2007
  11. Decided - Granted6/2019/1935/EM

    Replacement of Conifer hedge with Yew hedge

    11 Willow Grove Welwyn Garden City AL8 7NA

    Received 7 Aug 2019
  12. Decided - Withdrawn6/2016/1373/EM

    Erection of single storey rear extension

    15 Tempsford, Welwyn Garden City, AL7 2PA

    Received 5 Jul 2016
  13. Decided - Withdrawn6/2020/2732/HOUSE

    Change of use to residential garden land

    5 The Links Welwyn Garden City AL8 7DS

    Received 30 Oct 2019
  14. Decided - Granted6/2019/0623/EM

    Erection of single storey rear extension and expansion of existing patio area

    78 Lodgefield Welwyn Garden City AL7 1SE

    Received 15 Mar 2019
  15. Decided - Granted6/2015/2230/HOUSE

    Erection of a single storey front and rear extension to provide additional living accommodation.

    4 Elmoor Avenue Welwyn AL6 9PA

    Received 2 Nov 2015
  16. Decided - Granted6/2021/1145/COND

    Submission of details pursuant to condition numbers 3 (sample materials) and 5 (details of external rear balcony screening) on planning permission S6/2015/0228/FP

    54 Mymms Drive Brookmans Park AL9 7AF

    Received 8 Apr 2021
  17. Decided - GrantedS6/2013/1708/FP

    Two storey side and rear extensions with part single storey front and rear extensions

    14 Calder Avenue, Brookmans Park, Hatfield, AL9 7AQ

    Received 5 Aug 2013
  18. Decided - WithdrawnS6/2013/1313/MA

    Demolition of existing car showroom/garage and construction of a three storey residential block comprising of 12 X 2 bed flats with basement parking, together with associated new access, parking, bin and cycle store and amenity space and landscaping

    Cuffley Motor Company Ltd 71 Station Road Cuffley Potters Bar EN6 4HZ

    Received 21 Jun 2013
  19. Decided - Granted6/2019/2845/EM

    Fell 1 x Eucalyptus tree

    25 Melbourne Court Welwyn Garden City AL8 6LL

    Received 11 Nov 2019
  20. Decided - GrantedN6/2013/0132/S73B

    Time extension to planning permission N6/2010/0216/FP - Demolition of existing garage and store and erection of new garage and store

    1 Ruins Cottages Hill Farm Lane Ayot St Lawrence Welwyn AL6 9BU

    Received 22 Jan 2013
  21. Decided - Granted6/2026/1288/LAWE

    Certificate of existing lawfulness for a single storey extension

    1 The Limberlost Welwyn AL6 9TS

    Received 22 Jul 2026
  22. Decided - Granted6/2020/2999/EMT

    Fell 1 x Cherry tree

    3 Fordwich Road Welwyn Garden City AL8 6EX

    Received 13 Nov 2020
  23. Decided - Granted6/2026/0378/HOUSE

    Erection of single storey rear extension

    27 Blakemere Road Welwyn Garden City AL8 7PQ

    Received 2 Mar 2026
  24. Decided - Refused6/2018/1622/HOUSE

    Erection of a single storey side and rear extension following demolition of existing conservatory

    55 Thistle Grove Welwyn Garden City AL7 4AD

    Received 19 Jun 2018

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 application documents: what to read first

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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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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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