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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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2017/2711/HOUSE

    Erection of front porch and single storey rear extension.

    22 Oaklands Avenue Brookmans Park Hatfield AL9 7UJ

    Received 21 Nov 2017
  2. Decided - Granted6/2015/1897/PN8

    Prior approval for a proposed single storey rear extension measuring 4m in length, 2.79m eaves height and 3m high.

    21 St Audreys Close, Hatfield, AL10 8UN

    Received 8 Sept 2015
  3. Decided - Granted6/2026/0526/HOUSE

    Erection of a single storey rear extension following the demolition of conservatory

    11 Wheatbarn Welwyn Garden City AL7 2BN

    Received 23 Mar 2026
  4. Decided - Granted6/2022/2504/HOUSE

    Erection of outbuilding/double garage

    10 Little Ganett Welwyn Garden City AL7 3DG

    Received 1 Nov 2022
  5. Decided - Granted6/2021/2250/EMT

    G1 - 1x Holly & 1x Lawson Cypress to reduce height by 4m. T1 & T2 Oaks to reduce height by 1.5m and width

    13 Digswell Park Road Welwyn Garden City AL8 7NW

    Received 27 Jul 2021
  6. Decided - Granted6/2015/1608/COND

    Discharge of condition 2 (materials) for planning permission N6/2007/0913/FP - Proposed covered area and alley infill and new windows to front elevation.

    11A St Johns Close Welwyn AL6 9RB

    Received 21 Jul 2015
  7. Decided - RefusedS6/2007/1117/FP

    ERECTION OF TWO SINGLE STOREY SIDE EXTENSIONS INCORPORATING ROOF & EXTENSION TO DORMER, AND A NEW DORMER WINDOW

    11 Theobalds Road Cuffley Potters Bar EN6 4HQ

    Received 24 Jul 2007
  8. Decided - Refused6/2025/0801/HOUSE

    Alterations and extension to existing rear crown roof to create a new flat roof

    55 Mymms Drive Brookmans Park AL9 7AE

    Received 28 Apr 2025
  9. Decided - Granted6/2021/0153/HOUSE

    Erection of a detached garden room

    53 Oakdale Welwyn Garden City AL8 7QP

    Received 19 Jan 2021
  10. Decided - Granted6/2019/0455/FULL

    Change of use from single dwelling (Use Class C3) to small HMO for up to three to six persons (Use Class C4)

    151 Campion Road Hatfield AL10 9FL

    Received 20 Feb 2019
  11. Decided - Granted6/2016/2272/EM

    Erection of part two storey side and single storey rear extension

    2 Archers Ride, Welwyn Garden City, AL7 4PS

    Received 31 Oct 2016
  12. Decided - Refused6/2015/2440/FULL

    Erection of 3 bedroom detached dwelling to rear garden of The Rowans

    The Rowans Bull Stag Green Hatfield AL9 5DE

    Received 9 Dec 2015
  13. Decided - GrantedS6/2014/1805/FP

    Erection of single storey front, side and rear extensions and first floor side extension

    121 The Ryde, Hatfield, AL9 5DP

    Received 12 Aug 2014
  14. Decided - Granted6/2019/0388/HOUSE

    Erection of single storey front porch extension and two storey rear extension

    5 The Close Brookmans Park Hatfield AL9 7QN

    Received 20 Feb 2019
  15. Decided - Withdrawn6/2022/1663/EM

    Rear Extension Two Storey Side Extension and All Associated Works

    3 Aldock Welwyn Garden City AL7 4QF

    Received 14 Jul 2022
  16. Decided - RefusedN6/2008/1512/FP

    CHANGE OF USE FROM AMENITY LAND TO FORM A VEHICLE HARDSTANDING

    47 RYELANDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4LH

    Received 21 Aug 2008
  17. Decided - Granted6/2021/0274/TPO

    Fell 1 x Hornbeam tree (T1) covered by TPO. Tree of same species/age recently fallen. Replant 2 x appropriate trees to replace.

    6 The Ridgeway Cuffley Potters Bar EN6 4AR

    Received 29 Jan 2021
  18. Decided - GrantedS6/2007/0993/AD

    INSTALLATION OF VARIOUS NON-ILLUMINATED CAR PARK SIGNS

    Lexus Hatfield 172 Great North Road Hatfield AL9 5JN

    Received 2 Jul 2007
  19. Decided - GrantedS6/2013/0099/FP

    Formation of front boundary wall and gates/railings

    31 Brookmans Avenue, Brookmans Park, HATFIELD, AL9 7QH

    Received 15 Jan 2013
  20. Decided - Granted6/2017/0809/TPO

    Fell Lawson Cypress tree (T1) and reduce Yew tree (T2) by upto 1m - Conservation Area

    5 Barleycroft Green Welwyn Garden City AL8 6JY

    Received 20 Apr 2017
  21. Decided - Granted6/2017/1276/COND

    Submission of details pursuant to condition 1 (materials) on planning permission 6/2017/0024/HOUSE dated 23/03/2017

    Brook House Bluebridge Road Brookmans Park Hatfield AL9 7SX

    Received 12 Jun 2017
  22. Decided - RefusedW6/2014/0497/EM

    Erection of two storey and single storey side and rear extension

    6 Homestead Lane, Welwyn Garden City, AL7 4LU

    Received 10 Mar 2014
  23. Decided - GrantedN6/2015/0927/FP

    Erection of 4no. 2 bedroom apartments and 1no. 1 bedroom apartment with associated car parking, revised vehicular access and landscaping following demolition of existing dwelling and double garage.

    40 New Road Digswell Welwyn AL6 0AH

    Received 29 Apr 2015
  24. Decided - GrantedN6/2014/0947/HH

    Prior notification for the erection of single storey rear extension following demolition of existing conservatory

    48 Great North Road Welwyn Garden City AL8 7TJ

    Received 7 May 2014

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

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How to search planning applications

Guides to planning records

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    Planning permission drawings: how to read plans

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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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