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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
40,295Searchable applications
322Recorded as pending
86%Approval rate · 33,786 approved or refused records
4,816Refused applications

28,970 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2014/1469/TC

    Reduce Weeping Beech tree by 30% and felling of Juniper tree

    1 Mimram Walk Welwyn AL6 9EZ

    Received 26 Jun 2014
  2. Decided - Granted6/2019/0282/HOUSE

    Erection of single storey rear and side extension with alterations to openings

    40 The Swallows Welwyn Garden City AL7 1BY

    Received 7 Feb 2019
  3. Decided - Granted6/2016/1484/HOUSE

    Part garage conversion and alterations to openings with small front infill extension

    41 Woodhall Lane, Welwyn Garden City, AL7 3TB

    Received 21 Jul 2016
  4. Decided - Granted6/2016/2187/HOUSE

    Erection of single storey rear extension

    4 Oaklea Welwyn AL6 0PU

    Received 18 Oct 2016
  5. Decided - Granted6/2025/0696/EM

    Erection of a single storey rear/side infill extension, first floor side/rear extension, garage conversion including 1m extension and raising of roof, alteration to side elevation opening and insertion of rooflight to existing roof

    88 Attimore Road Welwyn Garden City AL8 6LP

    Received 10 Apr 2025
  6. Decided - Granted6/2016/0267/LAWP

    Certificate of lawfulness for the infill of garage door with brick wall and window.

    11 Warren Way Digswell Welwyn AL6 0DQ

    Received 16 Feb 2016
  7. Decided - Granted6/2020/2726/EMH

    First floor rear extension, conversion and extension of loft space including rear dormer window, addition of rooflights to side roofs, addition of jack lantern roof to existing side and rear ground floor extension, alteration of openings to existing ground floor rear (addition of bifold doors), consequential rebuilding of chimney in brick slips

    46 Blakemere Road Welwyn Garden City AL8 7PJ

    Received 19 Oct 2020
  8. Decided - GrantedW6/2009/1603/EM

    INSERTION OF NEW WINDOW INTO SOUTH EAST ELEVATION OF STUDY

    133 HANDSIDE LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6TA

    Received 5 Aug 2009
  9. Decided - Granted6/2018/2869/FULL

    Erection of single storey dwelling with basement following demolition of existing single storey dwelling

    125 The Ridgeway, Cuffley, Potters Bar, EN6 4BG

    Received 6 Nov 2018
  10. Decided - Granted6/2016/0889/COND

    Approval of details reserved by condition 2 (materials), condition 3 (landscaping), condition 4 (levels) and condition 5 (lighting) on planning permission 6/2015/2449/FULL

    Guide Hut, Guessens Road, Welwyn Garden City, AL8 6RE

    Received 9 May 2016
  11. Decided - Granted6/2016/1564/EM

    Erection of single storey rear extension and installation of 4no rooflights

    124 Mill Green Road, Welwyn Garden City, AL7 3XE

    Received 1 Aug 2016
  12. Decided - Granted6/2019/2572/EM

    Erection of two storey rear extension with installation of 1x roof light

    35 Brockswood Lane Welwyn Garden City AL8 7BE

    Received 11 Oct 2019
  13. Decided - GrantedW6/2013/2639/TE

    Reduce Beech tree by 20%

    Land bordering, 66 Bridge Road & 64 Bridge Road, Welwyn Garden City, AL8 6UR

    Received 2 Dec 2013
  14. Decided - Granted6/2018/1962/TPO

    Reduce crown back to previous reduction points on T1 & T2 Hornbeam Trees Covered by TPO 639(2017)

    10 Bluebells Welwyn AL6 0XD

    Received 23 Jul 2018
  15. Appeal Decided - Allowed6/2019/2057/HOUSE

    Erection of two storey front extension

    Richmond House, Great North Road, Hatfield, AL9 6DA

    Received 19 Aug 2019
  16. Decided - Refused6/2021/2372/HOUSE

    Erection of single storey outbuilding to rear for use as gym-space

    14 Willow Walk Welwyn AL6 9SQ

    Received 11 Aug 2021
  17. Decided - GrantedS6/2015/0474/NM

    Non material amendment following approval of planning permission S6/2014/0439/FP - Installation of obscured window and alterations to fenestration.

    40 Stockbreach Road, Hatfield, AL10 0BD

    Received 9 Mar 2015
  18. Decided6/2023/1235/TC

    Pollard alder (T1) in rear garden back to previous points to make safe Crown lift to clear telephone line on 1 x beech on front drive (T2)

    6 The Green Welwyn AL6 9EA

    Received 12 Jun 2023
  19. Decided - Granted6/2026/0759/EMT

    1 x Hawthorn to lift to around 2m above ground level

    163 Parkway Welwyn Garden City AL8 6JA

    Received 29 Apr 2026
  20. Decided - Granted6/2025/1054/COND

    Submission of details pursuant to Condition 39 (Artificial Grass Pitch) and Condition 48 (SuDS) on planning permission 6/2017/1641/MAJ

    Onslow St Audreys School Old Rectory Drive Hatfield AL10 8AB

    Received 3 Jun 2025
  21. Decided - Granted6/2019/0167/HOUSE

    Erection of two storey side extension with front porch

    55 Nash Close Welham Green Hatfield AL9 7NN

    Received 28 Jan 2019
  22. Decided - Refused6/2021/0140/EM

    Retrospective application for retention of hardstanding, new boundary fence and dropped kerb

    33 Furzefield Road Welwyn Garden City AL7 3RL

    Received 18 Jan 2021
  23. Decided - Granted6/2024/0713/EM

    Formation of hardstanding and hedge removal in the front garden

    58 Furzefield Road Welwyn Garden City AL7 3RJ

    Received 16 Apr 2024
  24. Decided - Refused6/2016/1208/PN8

    Prior approval for the erection of single storey rear extension measuring 4.985m deep, 3.05m high and 2.15m eaves height

    20 Spinney Lane Welwyn AL6 9TF

    Received 16 Jun 2016

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 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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