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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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2019/1392/HOUSE

    Replacement of french doors with window

    3A Russellcroft Road Welwyn Garden City AL8 6QN

    Received 11 Jun 2019
  2. Decided - Granted6/2016/0476/HOUSE

    Erection of first floor rear extension

    The Barn, 5 Lysley Place, Brookmans Park, Hatfield, AL9 6NZ

    Received 23 Mar 2016
  3. Decided - Granted6/2023/0918/FULL

    Change of use of part of ground floor (with retention of some Class E floorspace) and first floor from Class E to Class C3, alterations and extensions to create four self-contained flats (one on ground floor (rear), three on first floor) and associated amenity space, parking, bins and bike storage (revision to Planning Permission 6/2022/1499/FULL)

    35 Town Centre Hatfield Hertfordshire AL10 0JU

    Received 28 Apr 2023
  4. Decided - WithdrawnN6/2008/1420/FP

    CONVERSION OF GARAGE TO FORM HABITABLE ROOM

    21 STIRLING WAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 2QA

    Received 12 Aug 2008
  5. Decided - Granted6/2021/1480/EM

    Erection of a single storey/part two storey rear extension. Alterations to fenestration. Removal of existing pitched roof to front porch, to facilitate the erection of a shallower replacement pitched roof.

    14 Thistle Grove Welwyn Garden City AL7 4AN

    Received 11 May 2021
  6. Decided - Granted6/2018/3044/HOUSE

    Erection of single storey side extension with alterations to front

    18 Parsonage Lane Welham Green Hatfield AL9 7LU

    Received 28 Nov 2018
  7. Decided - Granted6/2019/1516/HOUSE

    Erection of a single storey rear, part two storey rear extension and single storey extension to garage

    28 Burycroft Welwyn Garden City AL8 7AW

    Received 20 Jun 2019
  8. Decided - WithdrawnN6/2014/0113/FP

    Replacement of existing doors and windows and installation of external lighting

    Parkway Community Health Clinic, Birdcroft Road, Welwyn Garden City, AL8 6JE

    Received 14 Jan 2014
  9. Decided - Granted6/2025/0508/EM

    Infill single storey side extension and raising of roof to existing side extension to allow thermal upgrading. Installation of rooflight to existing annex and raising roof of existing annex to allow thermal upgrade

    126 Parkway Welwyn Garden City AL8 6HP

    Received 19 Mar 2025
  10. Decided - GrantedN6/2007/1314/TP

    REMOVAL OF T8 ENGLISH OAK COVERED BY TPO 260

    3 Mornington Digswell Welwyn AL6 0AJ

    Received 3 Sept 2007
  11. Decided - RefusedS6/2009/2353/FP

    EXTENSION OF REAR EXTENSION AND LOFT CONVERSION

    72 WARRENGATE ROAD, NORTH MYMMS, HATFIELD, HERTFORDSHIRE, AL9 7TY

    Received 23 Oct 2009
  12. Decided - Refused6/2024/0775/HOUSE

    Installation of two rear dormers to facilitate loft conversion

    46 Holwell Road Welwyn Garden City AL7 3RQ

    Received 25 Apr 2024
  13. Decided - Granted6/2018/2015/EM

    Fell Ash saplings & reduce front hedge to around 4ft & trim

    31 Vine Close Welwyn Garden City AL8 7PS

    Received 1 Aug 2018
  14. Decided - Granted6/2019/3073/HOUSE

    Erection of front porch

    Stocking Lane Cottage Hill Farm Lane Welwyn AL6 9BW

    Received 4 Dec 2019
  15. Decided - GrantedN6/2009/1952/TE

    TRIMMING OF PRUNUS AND AMELANCHIER TREES BY 1 AND A HALF METRES

    3 WILLOW GROVE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7NA

    Received 27 Aug 2009
  16. DecidedN6/2008/2252/TC

    REDUCTION OF CHERRY TREE IN FRONT GARDEN BY 40%

    1 DELLCOTT CLOSE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7BB

    Received 27 Nov 2008
  17. Decided - GrantedW6/2015/0225/EM

    Erection of part single part two storey side extension including replacement of garage doors

    19 Valley Road, Welwyn Garden City, AL8 7DH

    Received 2 Feb 2015
  18. Decided - Granted6/2018/2844/FULL

    Change of use from class C3 (dwelling house) to class C4 (HMO)

    5 Ground Lane Hatfield AL10 0HJ

    Received 5 Nov 2018
  19. Decided - Granted6/2023/2462/HOUSE

    Erection of single storey side and rear extension with insertion of rooflights

    1 Magpie Walk Hatfield AL10 8RF

    Received 7 Dec 2023
  20. Decided - GrantedS6/2009/1273/FP

    SINGLE STOREY SIDE EXTENSION

    49 NORTHAW ROAD EAST, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4LU

    Received 15 Jun 2009
  21. Decided - Granted6/2020/1575/COND

    Submission of details pursuant to condition 2 (hard and soft landscaping) on planning permission 6/2018/2031/FULL

    Land Between 33 & 35 Pine Grove Brookmans Park Hatfield AL9 7BP

    Received 2 Jul 2020
  22. Decided - Granted6/2016/2201/HOUSE

    Erection of part single, part double storey extension to replace existing conservatory

    4 Scotts View Welwyn Garden City AL8 6HF

    Received 19 Oct 2016
  23. Decided - GrantedN6/2015/0736/TP

    Crown lift Beech tree to 5m and remove deadwood from two Oak trees, covered by TPO253

    Amesbury Bride Hall Lane Welwyn AL6 9BX

    Received 1 Apr 2015
  24. Decided - Refused6/2024/2202/LAWP

    Certificate of lawfulness for the siting of a static mobile home creation of a hardstanding to facilitate installation

    Woodhurst Farm Cattlegate Road Northaw Potters Bar EN2 8AU

    Received 14 Nov 2024

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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  • 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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