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
40,251Searchable applications
321Recorded as pending
86%Approval rate · 33,747 approved or refused records
4,812Refused applications

28,935 approved · 4,812 refused · 2,213 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - GrantedC6/1988/7019/AD

    Illuminated fascia sign

    34 Stonehills, Welwyn Garden City, AL8 6PD

    Received 1 Jan 1988
  2. DecidedS6/2013/0293/TC

    Lift crown of hornbeam tree and reduce by 30% and pollard crown of sycamore tree to 2.5 metres

    14B Northaw Road West, Northaw, POTTERS BAR, EN6 4NR

    Received 11 Feb 2013
  3. Decided - Refused6/2022/0950/COND

    Submission of details pursuant to Condition 6 (Acoustic) on planning permission 6/2017/1641/MAJ

    Onslow St Audreys School Old Rectory Drive Hatfield AL10 8AB

    Received 21 Apr 2022
  4. Decided - Granted6/2018/0384/FULL

    Installation of windows to flank and rear elevation

    Unit 2 The Polaris Centre 41 Brownfields Welwyn Garden City AL7 1AN

    Received 6 Feb 2018
  5. Decided - Granted6/2021/1490/COND

    Submission of details pursuant to condition 1(Archaeological Monitoring, Excavation and Recording) on planning permission 6/2019/2272/VAR

    Bush Hall Hotel Chequers Hatfield AL9 5NT

    Received 11 May 2021
  6. Decided - GrantedN6/2004/0424/AD

    ERECTION OF NON- ILLUMINATED ESTATE NAME BOARD

    LITTLE RIDGE INDUSTRIAL ESTATE, OFF RIDGEWAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 2BH

    Received 17 Mar 2004
  7. Decided - Granted6/2016/0143/HOUSE

    Erection of part single part double storey rear extension with front window and porch.

    21 St Audreys Close, Hatfield, AL10 8UN

    Received 26 Jan 2016
  8. Decided - Granted6/2020/1352/TPO

    Reduce 3 x Hornbeam Trees [T1] [T2] [T3] pollard to 6-7 metres Reduce 1 x Coppice Tree [T4] to 1.5 metres Reduce 2 x Hornbeam Trees [T5] [T6] pollard to 5 metres Reduce 1 x Hornbeam Tree [T7] to 7-8 metres Covered by TPO 638[2017] T4 & 752[2018] G3

    4B Bracken Lane Welwyn Al6 0RB

    Received 12 Jun 2020
  9. Decided - Refused6/2017/2758/LAWP

    Certificate of lawfulness for the erection of rear dormer to facilitate loft conversion and front roof light

    15 The Swallows Welwyn Garden City AL7 1BX

    Received 27 Nov 2017
  10. Decided - Granted6/2022/2766/TPO

    T1 Oak, to remove the first three branches from ground level over the road and near the lamp column, remove the first branch from ground level over the drive and garage and remove the first branch from ground level over the neighbouring garden. To thin the remaining crown by 15%. T2 Sweet Chestnut, to reduce the crown by 20% to reshape. Reason, to remove obstruction to the highway and balance the remaining lower crown and to reduce the overall volume of the crown without reducing its size for the oak tree. To rebalance the sweet chestnut crown.

    8 Oak Piece Welwyn AL6 0XE

    Received 6 Dec 2022
  11. Decided - Granted6/2025/0892/COND

    Submission of details pursuant to Condition 1 (Tree Survey and Arboricultural Impact Assessment) on planning permission 6/2024/2038/HOUSE

    3 Reddings Welwyn Garden City AL8 7LA

    Received 15 May 2025
  12. Decided - Granted6/2023/2057/LAWP

    Certificate of lawfulness for the siting of a static mobile home for use ancillary to the main dwelling and creation of hardstanding to facilitate installation

    Woodhurst Farm Cattlegate Road Northaw Enfield EN2 8AU

    Received 9 Oct 2023
  13. Decided - Granted6/2025/1435/EMT

    T1/2: plum trees: reduce crown by 50% - repollard T3/4: Lawson cypress: reduce height by 30% T5/6/7: conifers - remove T8: ash - reduce crown by 50% - repollard T9: plum tree - remove as dying

    4 Guessens Walk Welwyn Garden City AL8 6QS

    Received 7 Jul 2025
  14. Decided - GrantedW6/2010/0418/EM

    CHANGE OF COWL/CHIMNEY POT

    87 PENTLEY PARK, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7SL

    Received 26 Feb 2010
  15. DecidedN6/2008/1930/TC

    WORKS TO SYCAMORE TREE.

    Land adjacent to 15 The Broadway Hatfield AL9 5HZ

    Received 9 Oct 2008
  16. Decided - GrantedW6/2006/0186/EM

    ERECTION OF TIMBER FRAME GREENHOUSE

    21 Pentley Park, Welwyn Garden City, AL8 7RT

    Received 10 Feb 2006
  17. Decided - Granted6/2015/1689/FULL

    First floor extension, enclosing the paved terrace above the staff canteen, and erection of raised cantilevered toilet block on steel frame to rear of building.

    Computacenter UK Ltd Hatfield Avenue Hatfield AL10 9TW

    Received 11 Aug 2015
  18. Decided - GrantedS6/2004/0689/FP

    ERECTION OF A SINGLE STOREY SIDE EXTENSION

    3 Church Close Cuffley Potters Bar EN6 4LS

    Received 6 May 2004
  19. Decided - Granted6/2018/2290/EM

    Erection of part single, part two storey rear extension following demolition of existing conservatory

    5 The Commons Welwyn Garden City AL7 4RW

    Received 6 Sept 2018
  20. Decided - GrantedS6/2006/0137/FP

    DEMOLITION OF EXISTING GARAGE AND ERECTION OF DOUBLE GARAGE WITH STORE ROOM OVER AND GLAZED LINK TO EXISTING DWELLING AND ERECTION OF NEW FRONT ENTRANCE GATES.

    40 The Ridgeway Cuffley Potters Bar EN6 4BA

    Received 1 Feb 2006
  21. DecidedN6/2015/0741/NM

    Application for a non material amendment following approval for planning permission N6/2014/0607/FP - Raising of part of front parapet wall to allow headroom in shower/cloaks area

    24 Gooseacre, Welwyn Garden City, AL7 4NB

    Received 1 Apr 2015
  22. Decided - WithdrawnS6/2008/0969/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION AND TWO STOREY SIDE EXTENSION TO NO.13 AND SINGLE STOREY REAR EXTENSION TO NO.15

    13 & 15 BLUEBRIDGE AVENUE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7RY

    Received 10 Jul 2008
  23. Decided - Granted6/2016/2026/FULL

    Erection of double side extension and single rear extension

    58 Chequers, Welwyn Garden City, AL7 4SJ

    Received 3 Oct 2016
  24. Decided - GrantedW6/2009/0317/EM

    ERECTION OF TWO STOREY AND SINGLE STOREY REAR EXTENSION

    11 NUT GROVE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7SQ

    Received 12 Feb 2009

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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Guides to planning records

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  • Understanding planning · 13 min read

    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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