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28,970 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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

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 - Granted6/2017/2962/FULL

    Erection of a single storey detached therapy building

    Rhodes Wood Hospital, Shepherds Way, Brookmans Park, Hatfield, AL9 6NN

    Received 22 Dec 2017
  2. Decided - Granted6/2021/3225/LAWP

    Certificate of lawfulness for the erection of rear facing dormer and insertion of 2 x front facing roof lights, to facilitate the conversion of existing loft space and the erection of a detached garden room.

    55 Wheatley Road Welwyn Garden City AL7 3LH

    Received 11 Nov 2021
  3. Decided - GrantedW6/2013/2220/EM

    Removal of chimney stack

    35 Fordwich Road, Welwyn Garden City, AL8 6EY

    Received 15 Oct 2013
  4. Decided - Granted6/2018/3183/EM

    Erection of single storey rear and side extension

    124 Dawley Welwyn Garden City AL7 1DX

    Received 14 Dec 2018
  5. Decided - Refused6/2022/2500/TPO

    Remove sweet chestnut T6, T7, T8, T9, T10, T11, T12, T13 and replace with oak. Remove scots pine T14, T15, T16 and replace with oak. All trees covered by TPO 879 (2022) & 203 (1995).

    14 Lower Mardley Hill Welwyn AL6 0SQ

    Received 1 Nov 2022
  6. Decided - Granted6/2018/0543/FULL

    Change of use of existing mixed use commercial floorspace (combined Class B1, B2, and B8) to gymnasium and fitness centre (Class D2)

    Norton Gym Norton Building Bridge Road East Welwyn Garden City AL7 1JR

    Received 23 Feb 2018
  7. Decided - Granted6/2022/1353/PN15

    Prior approval for the installation of a 15m height slim line phase 9 monopole with 3no. additional ancillary equipment cabinets and associated ancillary works

    Mosquito Way Salisbury Village, Hatfield, Hertfordshire AL10 9AZ

    Received 10 Jun 2022
  8. Decided - Granted6/2021/3237/EMT

    1 x Judas to fell to ground level. Tree is in poor condition structurally and physiologically. Client is going to replant with 1 x Judas 8-10cm diameter

    70 Attimore Road, Welwyn Garden City, AL8 6LP

    Received 11 Nov 2021
  9. Decided - Granted6/2016/0368/COND

    Approval of details reserved by condition 2 (materials) on planning permission 6/2015/1570/HOUSE

    43 Lemsford Village, Welwyn Garden City, AL8 7TR

    Received 7 Mar 2016
  10. Decided - Granted6/2017/1243/FULL

    Retention of 3 and erection of 1 further antenna on lift shaft roof of BioPark

    Biopark Broadwater Road Welwyn Garden City AL7 3AX

    Received 7 Jun 2017
  11. Decided - GrantedN6/2015/0197/TC

    Reduce limbs on Two Ash trees by upto 3m, remove Three Conifer trees to ground level, crown thin Cedar tree and reduce limbs by upto 2m and remove Oak tree.

    Ayot Farm, Bibbs Hall Lane, Welwyn, Welwyn, AL6 9BY

    Received 30 Jan 2015
  12. Decided - GrantedN6/2008/0323/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    11 TEMPSFORD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 2PA

    Received 19 Feb 2008
  13. Decided - Granted6/2019/1250/EM

    Replacement of boundary wall

    Bellis House Kilworth Close Welwyn Garden City AL7 3HR

    Received 20 May 2019
  14. Decided - GrantedN6/2014/0961/FP

    Erection of rear conservatory

    27 Birchall Wood, Welwyn Garden City, AL7 2HL

    Received 7 May 2014
  15. Decided - Granted6/2016/1481/FULL

    Construction of a car park to provide 37 car parking spaces.

    Land to the South East of Aquarius House, Bessemer Road, Welwyn Garden City, AL7 1HH

    Received 21 Jul 2016
  16. Decided - Refused6/2018/1265/LAWP

    Certificate of lawfulness for the installation of 3 front rooflights and a rear dormer window to facilitate loft conversion, erection of a single storey side extension and a front porch

    52 Reynards Road Welwyn AL6 9TP

    Received 14 May 2018
  17. Decided - Granted6/2021/0074/FULL

    Installation of hardstanding for horticultural purposes.

    Europlants Ltd Great North Road Hatfield AL9 6DA

    Received 12 Jan 2021
  18. Decided - Granted6/2022/2860/HOUSE

    Erection of single storey rear infill extension with roof lantern, raised patio and replacement of existing windows following the demolition of an existing conservatory

    9 New Road Woolmer Green SG3 6JX

    Received 19 Dec 2022
  19. Decided - GrantedS6/2007/0772/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    WOODHURST FARM COTTAGE, CATTLEGATE ROAD, ENFIELD, MIDDLESEX, EN2 8AT

    Received 21 May 2007
  20. Decided - Withdrawn6/2015/2117/ADV

    Internally illuminated fascia sign and a projecting sign

    88 Town Centre Hatfield AL10 0JW

    Received 12 Oct 2015
  21. Decided - GrantedN6/2004/1666/FP

    ERECTION OF SINGLE STOREY FRONT EXTENSION

    2 Juniper Gardens Welwyn AL6 0XH

    Received 10 Nov 2004
  22. Decided - Granted6/2017/0838/FULL

    Erection of two storey infill extension to connect existing office building and adjacent workshop

    2 Little Burrow Welwyn Garden City AL7 4SP

    Received 24 Apr 2017
  23. Decided - Granted6/2019/2044/EM

    Reduce Crown 1 x Oak tree by 3m and lift crown to clear 2m

    26 Monks Rise Welwyn Garden City AL8 7NF

    Received 15 Aug 2019
  24. DecidedN6/2014/1506/TC

    Reduce cherry tree back to previous pruning points and reduce laurel hedge by 50%

    28 Marsden Green, Welwyn Garden City, AL8 6YA

    Received 7 Jul 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

All planning guides
  • 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.

Check collection coverage