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
40,250Searchable applications
321Recorded as pending
86%Approval rate · 33,746 approved or refused records
4,812Refused applications

28,934 approved · 4,812 refused · 2,213 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 6 Nov 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026

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 - GrantedN6/2014/0132/DS

    Discharge of condition 4 (Obscure glass details) of planning permission N6/2013/1153/FP

    2 Oaklea Welwyn AL6 0PU

    Received 22 Jan 2014
  2. Decided - GrantedW6/2013/2150/TE

    Reduce Two Ash trees in height by Four metres and upto Three metres in width

    12 The Old Drive, WELWYN GARDEN CITY, AL8 6TB

    Received 26 Sept 2013
  3. Decided - GrantedS6/2009/2603/FP

    CHANGE OF USE FROM SHOPMOBILITY UNIT TO A DROP IN CENTRE (SUI-GENERIS)

    QUEENSWAY HOUSE, QUEENSWAY, HATFIELD, HERTFORDSHIRE, AL10 0LW

    Received 25 Nov 2009
  4. Decided - Granted6/2020/2948/HOUSE

    Erection of a single storey rear extension with rooflights, following demolition of existing rear conservatory

    112 Forresters Drive Welwyn Garden City AL7 2JQ

    Received 11 Nov 2020
  5. Decided - Granted6/2025/0613/EM

    Installation of solar panels to rear roof

    21 Russellcroft Road, Welwyn Garden City, AL8 6QX

    Received 31 Mar 2025
  6. Decided - GrantedS6/2014/1701/NM

    Non material amendment following approval of planning permission S6/2013/2722/FP - replacement windows

    1 - 35 Woodpecker Close, Hatfield, AL10 9ET

    Received 29 Jul 2014
  7. Decided - Granted6/2016/1191/LAWP

    Certificate of lawfulness for the proposed erection of hip to gable roof extension, erection of rear dormer window and conversion of loft ( including insertion of 4 No velux windows on front roof plane)

    30 Great North Road, Oaklands, Welwyn, AL6 0PS

    Received 16 Jun 2016
  8. Decided - Refused6/2025/0388/LAWP

    Certificate of lawfulness for rear conservatory replacement with garden room, with insertion of two roof lights

    3 Grange Hill Welwyn AL6 9RH

    Received 27 Feb 2025
  9. Decided - Refused6/2023/2529/HOUSE

    Erection of double-storey rear extension, single storey side extension, front porch extension, single storey therapy room, raised patio and regraded garden and front hardstanding.

    3 Reddings Welwyn Garden City AL8 7LA

    Received 20 Dec 2023
  10. Decided - Granted6/2019/0872/EM

    Reduce 1 x Holly by 2.5m Reduce 1 x Lawson Cypress by 4m Reduce 1 x Cherry by 2.5m height and 7 1.5m width

    1 The Orchard Welwyn Garden City AL8 7PL

    Received 10 Apr 2019
  11. Appeal Decided - DismissedC6/1988/1202/FP

    Change of use from general industrial (Class B2) to coach depot and siting of a portacabin for office use

    40A Burrowfield, Welwyn Garden City, AL7 4SR

    Received 1 Jan 1988
  12. Decided - Granted6/2021/1528/HOUSE

    Render existing wall to East facing extension side wall and new brick garden wall.

    110 Wellcroft Road Welwyn Garden City AL7 3JU

    Received 13 May 2021
  13. Decided - GrantedS6/2014/2413/LUP

    Certificate of lawfulness for an outbuilding for use as a games room

    391 St Albans Road West, Hatfield, AL10 9RU

    Received 31 Oct 2014
  14. Decided - GrantedS6/2006/0522/FP

    ERECTION OF 1 METRE HIGH FRONT BOUNDARY FENCE

    81 Campion Road Hatfield AL10 9FL

    Received 24 Apr 2006
  15. Decided - GrantedN6/2015/0829/TC

    Crown lift Maple tree and 3 Conifer trees by 2.5m and reduce 2 multi stemmed Ash trees by 30% plus Reduce Conifer tree by 6ft, remove 1 tree trunk covered in Ivy and removal of one stump. Reduce two sycamores by 30%.

    Guessens Court, Welwyn Garden City, AL8 6RB

    Received 30 Mar 2015
  16. Under Consultation6/2026/1426/FULL

    Erection of dwelling, following demolition of outbuilding

    6 Ross Close Hatfield AL10 0QT

    Received 12 Aug 2026
  17. Decided - GrantedN6/2014/0291/DS

    Discharge of conditions 6 (materials) and 11 (surface water drainage) of N6/2006/0923/OP

    Sir Frederic Osborn School, Herns Lane, Welwyn Garden City, AL7 2AF

    Received 7 Feb 2014
  18. Decided - Granted6/2019/0502/EM

    Erection of shed following demolition of existing shed

    8 Mandeville Rise Welwyn Garden City AL8 7JU

    Received 6 Mar 2019
  19. Decided - Refused6/2018/1632/COND

    Submission of details pursuant to condition 24 (hard and soft landscape plans) on planning permission 6/2017/2104/MAJ

    51 Bridge Road East Welwyn Garden City AL7 1JR

    Received 20 Jun 2018
  20. Decided - Granted6/2026/0346/HOUSE

    Erection of a detached outbuilding in the rear garden following the demolition of the existing outbuilding

    7 Welwyn Hall Gardens Welwyn AL6 9LF

    Received 25 Feb 2026
  21. Decided - GrantedN6/2008/1809/DS

    DISCHARGE OF CONDITION 2 (MATERIALS) OF PLANNING PERMISSION N6/2007/310/FP

    18 Mardley Avenue, Welwyn, AL6 0UD

    Received 25 Sept 2008
  22. Decided - WithdrawnN6/2006/1695/DT

    INSTALLATION OF 15 METRE HIGH SLIM LINE MAST SUPPORTING 3 NO. ANTENNAS AND ASSOCIATED EQUIPMENT CABINETS

    LAND AT, PANSHANGER DRIVE ROUNDABOUT, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 2NE

    Received 15 Dec 2006
  23. Decided - WithdrawnS6/2004/1561/FP

    ERECTION OF A 30 BEDROOM CARE HOME FOR THE ELDERLY, INVOLVING THE DEMOLITION OF THE EXISTING LODGE AND ADJACENT OUTBUILDING

    CHEQUERS LODGE, COOPERS LANE ROAD, NORTHAW, POTTERS BAR, HERTFORDSHIRE, EN6 4WB

    Received 18 Oct 2004
  24. Decided - Granted6/2021/0602/PN8

    Prior approval for the erection of a single storey rear extension measuring in 3m height, 8m in depth, 3m to the eaves

    5 Swanley Bar Lane Little Heath Potters Bar EN6 1NN

    Received 24 Feb 2021

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 application documents: what to read first

    Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.

  • 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.

  • 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.

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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