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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
40,295Searchable 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28,970 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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
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. Decided6/2024/1713/TC

    Line of six beech trees to reduce height by approximately 3m and lateral branches over the gardens of 2,4 and 6 Blakemere by 2-2.5m.

    4 Blakemere Road Welwyn Garden City AL8 7PJ

    Received 6 Sept 2024
  2. Decided - Granted6/2016/0300/HOUSE

    Erection of part single and part two storey rear and side extension

    10 The Paddocks, Welwyn Garden City, AL7 2BP

    Received 23 Feb 2016
  3. Decided - GrantedN6/2009/1312/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION AND NEW ENTRANCE DOORS

    NISA SUPERMARKET, 88-90 HALDENS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1DD

    Received 19 Jun 2009
  4. Decided - GrantedS6/2009/2108/DS

    DISCHARGE OF CONDITIONS 2 (MATERIALS), 3 (HARD/SOFT LANDSCAPING DETAILS), 7 (DETAILS OF SITE LEVELS), 9 (BIN STORES), 19(ACCESS ROAD DIMENSIONS), 22 (CYCLE PARKING PROVISIONS), 23 (LOCATION/DESIGN OF REFUSE/RECYCLING BIN STORAGE) FROM PLANNING PERMISSION S6/2007/0925/MA

    HAZEL GROVE PRIMARY SCHOOL SITE, HAZEL GROVE, HATFIELD, HERTFORDSHIRE

    Received 29 Sept 2009
  5. Under Consideration6/2026/1758/COND

    Submission of details pursuant to Condition 1 (Landscaping), condition 2 (Car Parking Spaces and Refuse and Recycling Store) and condition 3 (EV Charging) on planning permission 6/2025/2484/FULL

    109 Woods Avenue Hatfield AL10 8QQ

    Received 2 Oct 2026
  6. Decided - GrantedS6/2014/0524/FP

    Erection of 2no. smoking shelters

    University of Hertfordshire, De Havilland Campus, Mosquito Way, Hatfield, AL10 9EU

    Received 12 Mar 2014
  7. Decided - Granted6/2024/0316/EMT

    G1 x 2 Maples to crown thin 25%

    Hanover House Hyde Valley AL7 4DA

    Received 19 Feb 2024
  8. Decided - Refused6/2023/1547/LAWP

    Certificate of lawfulness for the erection of mobile home

    Woodside Garden Lodge Wildhill Road Hatfield AL9 6DD

    Received 25 Jul 2023
  9. Decided - GrantedS6/2005/1566/FP

    SITING OF A MOBILE HOME

    Woodhurst Farm Cattlegate Road Northaw ENFIELD EN2 8AU

    Received 19 Dec 2005
  10. Decided - GrantedN6/2008/2099/AD

    INSTALLATION OF TWO NON-ILLUMINATED FASCIA SIGNS AND ONE EXTERNALLY ILLUMINATED PROJECTING SIGN

    55-57 HOWARDSGATE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6BB

    Received 6 Nov 2008
  11. Decided - Granted6/2017/2040/HOUSE

    Erection of front porch

    369 St Albans Road West Hatfield AL10 9RU

    Received 11 Sept 2017
  12. Decided - GrantedW6/2012/2611/EM

    Erection of single storey side extension

    43 Longcroft Lane, WELWYN GARDEN CITY, AL8 6EB

    Received 13 Dec 2012
  13. Decided - Refused6/2016/2629/COND

    Approval of details reserved by condition 3 (Landscape)on planning permission 6/2016/1449/HOUSE

    5 Chantry Lane Hatfield AL10 9HS

    Received 9 Dec 2016
  14. Decided - GrantedS6/2009/0193/DS

    DISCHARGE OF CONDITIONS 3 (LANDSCAPING), 4 (MATERIALS), 5 (WHEEL CLEANING), 6 (SURFACE DRESSING), 7 (PARKING), 8 (CLOSED GATE), 9 (LANDSCAPING) OF PLANNING APPLICATION S6/2008/331/FP

    CHERRY DELL, HAWKSHEAD LANE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7TF

    Received 29 Jan 2009
  15. Decided - GrantedS6/2013/0865/LB

    Alterations to existing staff flat (located within the stables) to create three en-suite bedrooms and create access from the adjacent stairs, and alterations to existing laundry room, staff office and shared bathroom (located in stable block) to create a new bedroom with en-suite (laundry room and staff office), and alterations to shared bathroom to create an enclosed en-suite to existing bedroom

    Mansion House North Mymms Park, Tollgate Road, North Mymms, HATFIELD, AL9 7TR

    Received 23 Apr 2013
  16. Decided - Granted6/2017/1770/EM

    Fell acacia tree with three rotting limbs

    9 Moorside Welwyn Garden City AL7 4QH

    Received 2 Aug 2017
  17. Decided - Granted6/2019/3251/HOUSE

    Erection of a single storey side extension

    22 Cloverfield Welwyn Garden City AL7 1EG

    Received 30 Dec 2019
  18. Decided - Granted6/2021/2710/HOUSE

    Erection of a single storey side/rear extension, detached garden room, extension of driveway and landscaping works to rear garden following the demolition of existing side extension

    80 Valley Road Welwyn Garden City AL8 7DP

    Received 20 Sept 2021
  19. Decided - GrantedN6/2014/2519/DS

    Approval of details reserved by condition 3 (sample of materials), 5 (Construction management plan) and 9 (Details showing a minimum of 3 parking spaces for disabled persons) from Planning Application N6/2013/2128/FP

    Land at, Bessemer Road, Welwyn Garden City, AL8 7LU

    Received 19 Nov 2014
  20. Decided - Granted6/2023/0957/TPO

    1 x Oak. To reduce lateral branches over neighbour's driveway by approximately 2m TPO 535

    1 Oak Piece Court Oak Piece Welwyn AL6 0XQ

    Received 4 May 2023
  21. Decided - GrantedS6/2009/0182/FP

    ERECTION OF TWO STOREY REAR EXTENSION AND SINGLE STOREY REAR EXTENSION INCLUDING REAR CONSERVATORY

    17 Great North Road Brookmans Park Hatfield AL9 6LB

    Received 6 Feb 2009
  22. Decided - GrantedN6/2005/1569/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    143 Handside Lane Welwyn Garden City AL8 6TA

    Received 20 Dec 2005
  23. Decided6/2017/1976/TPO

    1 x Poplar to reduce by 50% and 1 x Sycamore to fell to ground level - Conservation Area

    35 Attimore Road Welwyn Garden City AL8 6LQ

    Received 4 Sept 2017
  24. Decided - Refused6/2018/1033/COND

    Submission of details pursuant to condition 1 (material samples) & 4 (plans of hard and soft landscape works) on planning permission 6/2016/2288/HOUSE, dated 23/01/17

    40 Mymms Drive Brookmans Park Hatfield AL9 7AF

    Received 18 Apr 2018

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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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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