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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
39,476Searchable applications
344Recorded as pending
86%Approval rate · 33,031 approved or refused records
4,721Refused applications

28,310 approved · 4,721 refused · 2,162 withdrawn. Received dates in our records: 29 Apr 1948 to 21 Oct 2026. Most recent record check: 27 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 Counts reflect the last collected status; some records may be out of date.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. Decided6/2020/3074/TC

    T1 cherry - fell as tree in decline. T2 Norway maple - dead tree - fell.

    6 Sherrardspark Road Welwyn Garden City AL8 7JP

    Received 19 Nov 2020
  2. Decided - GrantedW6/2013/1542/EM

    Erection of single storey rear extension and garden shed

    225 Handside Lane, Welwyn Garden City, AL8 6TF

    Received 18 Jul 2013
  3. Decided - Granted6/2023/0201/COND

    Submission of details pursuant to condition 1 (Construction Method Statement) on planning permission 6/2021/2595/FULL

    71 Bluebridge Road Brookmans Park AL9 7UW

    Received 27 Jan 2023
  4. Decided - Granted6/2023/1922/HOUSE

    Erection of a single storey front extension

    6 Fern Dells Hatfield AL10 9HX

    Received 18 Sept 2023
  5. Decided - Granted6/2022/0740/TPO

    TPO76 G5 Sycamore tree x 1 - Reduce crown by 25%

    54 Mill Lane Welwyn AL6 9ES

    Received 28 Mar 2022
  6. Decided - GrantedW6/2014/1133/EM

    Repair and replace tiles to front roof slope

    27 Holwell Road, Welwyn Garden City, AL7 3RE

    Received 19 May 2014
  7. Decided - Refused6/2020/1586/HOUSE

    Erection of detached timber stables & ancillary storage

    Harepark House Bibbs Hall Lane Welwyn AL6 9BY

    Received 24 Jun 2020
  8. Decided - GrantedN6/2013/1176/TP

    Reduce crown volume by 30%, equating to 3-4m in branch length, including shortening back of large twisted limb of Holm Oak, covered by TPO 126

    5 Hensley Close Welwyn AL6 9QD

    Received 5 Jun 2013
  9. Decided - Granted6/2023/0029/EM

    Erection of a single storey rear extension with flat roof

    128 Thistle Grove, Welwyn Garden City, AL7 4AQ

    Received 5 Jan 2023
  10. Decided - GrantedN6/2009/2365/FP

    ERECTION OF TWO STOREY AND SINGLE STOREY REAR EXTENSION

    10 THE VALLEY GREEN, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7DQ

    Received 26 Oct 2009
  11. Decided - GrantedS6/2014/2512/FP

    Change of use and conversion of existing outbuilding to form 1 bedroom dwelling together with use of existing car parking and vehicular access

    The Bungalow White Lodge Farm, Bulls Lane, Hatfield, AL9 7AZ

    Received 17 Nov 2014
  12. Decided - Granted6/2018/1855/EM

    Fell 6 x Hawthorn trees and 1 x Elderberry tree

    21 Coltsfoot Welwyn Garden City AL7 3HZ

    Received 16 Jul 2018
  13. Decided - Granted6/2021/0284/HOUSE

    Erection of single storey rear extension, outbuilding beneath patio and alterations to first floor rear fenestration.

    41 Warren Way Digswell Welwyn AL6 0DQ

    Received 1 Feb 2021
  14. Decided6/2018/0517/TPO

    Cut down part of Unknown species tree - conservation area - dead and dangerous

    17 Hillside Welwyn Garden City AL7 4PZ

    Received 20 Feb 2018
  15. Decided - Granted6/2016/0207/HOUSE

    Erection of a single storey front/side extension and insertion of window to existing side elevation

    66 Peartree Lane, Welwyn Garden City, AL7 3UH

    Received 8 Feb 2016
  16. Decided - GrantedN6/2007/1210/FP

    ERECTION OF SINGLE STOREY SIDE EXTENSION

    WELWYN RUGBY FOOTBALL CLUB, Hobbs Way, WELWYN GARDEN CITY, Hertfordshire, AL8 6HX

    Received 14 Aug 2007
  17. Decided - GrantedS6/2014/0126/DS

    Discharge of condition 4 (Green Travel Plan) of planning permission S6/2013/1184/FP

    Plot 5600, Gypsy Moth Avenue, Hatfield, AL10 9BS

    Received 17 Jan 2014
  18. Decided - Granted6/2020/2993/FULL

    Change the use of the grassed amenity land and create a vehicle crossover onto the highway

    43 Bushey Ley Welwyn Garden City AL7 3HB

    Received 13 Nov 2020
  19. Decided - WithdrawnN6/2009/0318/FP

    ERECTION OF PART TWO STOREY, PART SINGLE STOREY REAR EXTENSION AND SINGLE STOREY SIDE EXTENSION TO GARAGE

    1 REDDINGS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7LA

    Received 12 Feb 2009
  20. Decided - Granted6/2016/2001/HOUSE

    Erection of double and single storey rear extensions

    9 Tudor Road Welwyn AL6 9JU

    Received 28 Sept 2016
  21. Decided - Granted6/2016/2130/EM

    Erection of single storey side and rear extension creating two additional surgeries at ground floor level, incorporating new hardstanding, disabled parking bay and ramp/stepped access to the front of the property and off-road parking to the rear, following demolition of existing garage

    Peartree Clinic Welwyn, 43 Peartree Lane Welwyn Garden City AL7 3UA

    Received 12 Oct 2016
  22. Decided - Granted6/2017/0525/PN11

    Prior Approval for the change of use of site and building from B1a offices to C3 residential accommodating 17 apartments.

    Accord House 28 Bridge Road East Welwyn Garden City AL7 1HX

    Received 16 Mar 2017
  23. Decided - Granted6/2021/2346/HOUSE

    Retention of a single storey rear extension

    31 Briars Wood Hatfield AL10 8DA

    Received 9 Aug 2021
  24. Decided - Granted6/2020/2683/HOUSE

    Erection of front porch and single storey side extension

    79 Wellcroft Road Welwyn Garden City AL7 3JX

    Received 6 Oct 2020

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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