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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
37,145Searchable applications
335Recorded as pending
86%Approval rate · 30,967 approved or refused records
4,294Refused applications

26,673 approved · 4,294 refused · 1,999 withdrawn. Received dates in our records: 29 Apr 1948 to 20 Oct 2026. Most recent record check: 25 Oct 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2023/1808/EM

    Remove old concrete, soil and hedge from the front of the house and replace with paving blocks 1 meter of old unhealthy hedge to be extended to an area of 2 meters along the front of the house into which we would like to plant a new hedge in keeping with the existing neighbouring one

    109 Howlands Welwyn Garden City AL7 4RL

    Received 30 Aug 2023
  2. Decided - Refused6/2024/0122/PN27

    The enlargement of a dwellinghouse by the construction of two additional storeys

    Woodlands Well Road Northaw Potters Bar EN6 4BN

    Received 22 Jan 2024
  3. Decided - GrantedN6/2008/0583/FP

    CONVERSION OF GARAGE TO FORM HABITABLE ACCOMMODATION

    116 FORRESTERS DRIVE, WELWYN GARDEN CITY, HERTS, AL7 2JQ

    Received 18 Mar 2008
  4. Decided - GrantedS6/2010/0142/DS

    DISCHARGE OF CONDITION 5 (PLANTING) FROM PLANNING PERMISSION S6/2009/0930/FP

    16 BROOKMANS AVENUE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7QJ

    Received 26 Jan 2010
  5. Decided - Granted6/2022/1160/PN8

    Prior approval for the erection of a single storey rear extension measuring 3.5min depth, 2.86m in height and 2.5m to the eaves with roof light following the demolition of existing conservatory

    43 Green Lanes Hatfield AL10 9JU

    Received 19 May 2022
  6. Decided - GrantedW6/2009/1946/EM

    ERECTION OF TWO STOREY REAR EXTENSION AND INSERTION OF DORMER WINDOW

    6 THE ORCHARD, WELWYN GARDEN CITY, HERTOFRDSHIRE, AL8 7PL

    Received 11 Sept 2009
  7. Decided - Granted6/2016/1169/COND

    Approval of details reserved by condition 3 (landscaping) on planning application 6/2015/2127/FULL

    33 Upland Drive, Brookmans Park, Hatfield, AL9 6PT

    Received 14 Jun 2016
  8. Decided - Granted6/2025/1024/RM

    Reserved Matters application for Phases 2, 3 and 4 with details of layout, scale, appearance, and landscaping for the construction of 243 dwellings (including affordable housing); a civic square; 270 sqm of E/F2 space; public open and amenity space; associated landscaping and ecological enhancements; internal highways, parking, footpaths, cycleways, drainage, utilities and service infrastructure, including additional information to satisfy conditions 1(b), 40, 44, 45, 48, 50 and 52 pursuant to outline planning permission reference 6/2022/1375/MAJ at land at Hollybush Lane, to the east of A1000 and north of Ascots Lane, Creswick, Welwyn Garden City.

    Phases 2, 3 and 4 Land at Hollybush Lane to the east of A1000 and north of Ascots Lane Welwyn Garden City AL7 4EG

    Received 30 May 2025
  9. Decided - Granted6/2017/1984/COND

    Submission of details pursuant to condition 11 (remediation) on planning permission 6/2016/1650/FULL

    Land adjacent to 82 Great North Road Welwyn AL6 0TA

    Received 31 Aug 2017
  10. Decided - Withdrawn6/2021/3427/EMT

    1 x Western Red Cedar to fell to ground level (growing too close to boundary line and behind the Yew tree and if left it will become an issue) 1 x Plum to lift to 2m above ground level. Reduce lateral branches over lawn by 2m 1 x Plum to lift to 2m above ground level Reason - to maintain the size and create more light into the garden and property.

    56 Crossway Welwyn Garden City AL8 7EE

    Received 7 Dec 2021
  11. Decided - GrantedW6/2008/2123/EM

    INSERTION OF WINDOW INTO FRONT PORCH

    3 ELMWOOD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6LD

    Received 7 Nov 2008
  12. Decided - Granted6/2022/2148/HOUSE

    Erection of single storey side and rear extension, installation of two side dormers, rear dormer to facilitate the conversion of the loft to habitable space.

    74 Brookside Crescent Cuffley Potters Bar EN6 4QJ

    Received 15 Sept 2022
  13. Decided - Granted6/2019/2551/EM

    Reduce 1 x Beech tree by 6m

    5 Handside Green Welwyn Garden City AL8 6SQ

    Received 10 Oct 2019
  14. Decided - Granted6/2016/1047/HOUSE

    Erection of first floor side extension

    19 Dayemead, Welwyn Garden City, AL7 4RX

    Received 26 May 2016
  15. Decided - Refused6/2015/1563/PN8

    Prior approval for a single storey rear extension measuring 5m deep, 2.35m wide and 3.8m high

    129 Bramble Road Hatfield AL10 9SD

    Received 23 Jul 2015
  16. Decided - Granted6/2015/1641/VAR

    Variation of Condition 2 (Approved plans) on planning permission N6/2015/0988/FP – erection of front porch, loft conversion and installation of new roof and internal alterations

    11 Wendover Drive Welwyn AL6 9LT

    Received 30 Jul 2015
  17. Decided - GrantedS6/2007/1099/FP

    CONSTRUCTION OF ADDITIONAL FLOOR TO EXISTING FOUR STOREY OFFICE BUILDING INCLUDING SEVEN ADDITIONAL CAR PARK SPACES

    Colonial House 87 Great North Road Hatfield AL9 5DA

    Received 24 Jul 2007
  18. Decided - Granted6/2016/0998/COND

    Approval of details reserved by condition 3 (materials) on planning permission S6/2013/2358/FP

    46 Bluebridge Road, Brookmans Park, Hatfield, AL9 7SA

    Received 20 May 2016
  19. Decided - Granted6/2024/0090/LAWP

    Certificate of lawfulness for the erection of a single storey rear extension, following demolition of existing conservatory

    7 Mardley Wood Welwyn AL6 0UY

    Received 15 Jan 2024
  20. Decided6/2018/2836/TPO

    Crown Lift by 4-5m of 1x Oak tree -Conservation area

    64 Brockswood Lane Welwyn Garden City AL8 7BQ

    Received 5 Nov 2018
  21. Decided - RefusedN6/2008/1322/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION, FOLLOWING DEMOLITION OF EXISTING CONSERVATORY

    39 LONGCROFT GARDENS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6JR

    Received 31 Jul 2008
  22. Decided - SplitN6/2009/2112/TC

    REDUCE TWO CHERRY TREES (T1 & T2) BY 20%, REDUCE TWO OAK TREES (T3 & T4) BY 20%, HORNBEAM TREE (T5) CUT BACK AND THIN BY 20%, FELL OAK TREE (T6) AND CROWN LIFT HORNBEAM TREES (T7, T8 & T9) BY 4 METRES AND CUT BACK LEGGY LIMBS

    19 SCHOLARS MEWS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7JQ

    Received 2 Sept 2009
  23. Decided - Granted6/2019/1308/EM

    Construction of chimney stack following removal of existing chimney breast/stack, installation of rear bi-fold patio doors and proposed dormer window to replace existing velux

    7 The Orchard, Welwyn Garden City, AL8 7PL

    Received 3 Jun 2019
  24. Decided - Refused6/2025/0192/HOUSE

    Erection of part single part two storey rear extension, rear balcony extension and loft conversion with raised ridge, rear dormers and front rooflights

    5 Kerdistone Close Little Heath Potters Bar EN6 1LG

    Received 5 Feb 2025

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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