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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
39,835Searchable applications
298Recorded as pending
86%Approval rate · 33,397 approved or refused records
4,776Refused applications

28,621 approved · 4,776 refused · 2,184 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 28 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 Counts reflect the last collected status; some records may be out of date.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. Decided6/2018/1042/TPO

    Cut 1 x Honey Locust tree (T1) back to previous pruning points to maintain size - Conservation Area

    28 Handside Lane Welwyn Garden City AL8 6SF

    Received 20 Apr 2018
  2. Decided - Granted6/2026/1045/LAWP

    Certificate of lawfulness for the conversion of garage, elevational changes to front and rear elevations and new roof lights

    6 The Gardens Brookmans Park AL9 7UL

    Received 16 Jun 2026
  3. Decided - GrantedS6/2014/0117/FP

    Infill of existing porch

    25 Cornflower Way Hatfield AL10 9FY

    Received 8 Jan 2014
  4. Decided - RefusedS6/2014/1908/AD

    Installation of two freestanding noticeboards

    St Mary Magdelene Church, Hollybush Lane, Welwyn Garden City, AL7 4JS

    Received 28 Aug 2014
  5. Decided - Granted6/2020/2746/EMT

    Removal of approx. 1.7m long and 1m tall hedge. Replace hole in the ground with pavers to match existing colour and pattern. Add a Syringa Vulagris (Lilac Tree) pot size C10 in the front garden.

    17 Fearnley Road Welwyn Garden City AL8 6HW

    Received 21 Oct 2020
  6. Decided - GrantedS6/2015/0907/HH

    Prior approval for single storey rear extension

    57 Briars Wood Hatfield AL10 8DH

    Received 18 Mar 2015
  7. Decided - GrantedN6/2008/0145/FP

    ERECTION OF REAR CONSERVATORY

    11 Welwyn Hall Gardens Welwyn AL6 9LF

    Received 24 Jan 2008
  8. Decided - GrantedN6/2014/0436/DS

    Discharge of condition 3 (materials) of planning permission N6/2013/0241/FP

    67 Valley Road, Welwyn Garden City, AL8 7DR

    Received 28 Feb 2014
  9. Decided - GrantedW6/2013/2106/EM

    Erection of single storey rear extension following demolition of existing conservatory

    35 Valley Road, Welwyn Garden City, AL8 7DH

    Received 7 Oct 2013
  10. Decided - Granted6/2016/1922/EM

    Fell Gledistia tree

    14 Birds Close, Welwyn Garden City, AL7 4AR

    Received 13 Sept 2016
  11. Decided - GrantedN6/2015/1249/FP

    Erection of single storey rear extension

    17 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 15 Jun 2015
  12. DecidedN6/2009/0132/TC

    MAINTENANCE TO VARIOUS COUNCIL TREES AS PER ATTACHED SCHEDULE

    STATION ROAD CAR PARK, WELWYN GARDEN CITY, HERTFORDSHIRE

    Received 12 Jan 2009
  13. Decided6/2023/1992/TC

    T1-Silver Birch-Crown reduce by 2-3 metres all round to maintain size and shape T2-Conifer-Reduce by 4-5 metres in height to maintain size for area T3-Macrocarpa-Remove dead branches for safety reasons as it appears to be dying T4-Lawson Cypress-Reduce in height by 4-5 metres to maintain size for the area

    22 Elm Gardens Welwyn Garden City AL8 6RY

    Received 27 Sept 2023
  14. Decided - Granted6/2022/2877/EM

    Replacement of windows- change the existing wooden windows for uPVC windows of a similar size and style.

    38 Elm Gardens Welwyn Garden City AL8 6RY

    Received 20 Dec 2022
  15. Decided - Refused6/2024/1549/PN19

    Prior approval for the erection of an agricultural building measuring 35m in length, 15m in width, 3.1m to the eaves and 6.08m to the ridge

    Colesdale Farm Northaw Road West Northaw Potters Bar EN6 4QZ

    Received 14 Aug 2024
  16. Decided - GrantedW6/2007/0654/EM

    ERECTION OF TIMBER SHED IN REAR GARDEN

    23 Middlefield, Welwyn Garden City, AL7 4DQ

    Received 27 Apr 2007
  17. Decided - Granted6/2018/0315/HOUSE

    Erection of a single storey rear conservatory

    29 Yew Grove Welwyn Garden City AL7 2HY

    Received 31 Jan 2018
  18. Decided - Refused6/2020/0019/EM

    Erection of front porch, single storey rear extension with installation of dormer to facilitate roof conversion and alterations to openings

    196 Blythway Welwyn Garden City AL7 1DU

    Received 7 Jan 2020
  19. Decided - GrantedS6/2010/0094/LB

    REPLACEMENT OF CORRUGATED ASBESTOS CEMENT ROOFING WITH LEAD SHEET INCORPORATING ROOFLIGHTS. REMOVAL OF REDUNDANT INTERNAL WALLS AND RAISING LEVEL OF PART OF FLOOR. INSERTION OF NEW FRENCH DOORS AND SLIDING-FOLDING DOORS INTO EXTERNAL WALLS (AMENDMENT TO APPROVAL APPLICATION S6/2010/0094/LB)

    7 Fore Street Hatfield AL9 5AN

    Received 18 Jan 2010
  20. Decided - Granted6/2025/1503/HOUSE

    Erection of a two storey side extension and single storey rear extension following demolition of existing conservatory and garage

    6 Oak Road Woolmer Green SG3 6LS

    Received 10 Jul 2025
  21. Decided - Granted6/2025/1589/EM

    Erection of summer house and shed

    65 Hall Grove Welwyn Garden City AL7 4PQ

    Received 23 Jul 2025
  22. Decided - GrantedN6/2009/2660/FP

    ERECTION OF CYCLE STORE AND DETACHED GARDEN ROOM

    40 THE SWALLOWS, WELWYN GARDEN CITY, HERTS, AL7 1BY

    Received 9 Dec 2009
  23. Decided - Granted6/2025/0483/COND

    Submission of details pursuant to Condition 1 (Construction Traffic Management Plan), Condition 2 (Badger walk-over survey), Condition 3 (Landscape and Ecological Management Plan) & Condition 10 (Construction phase surface water management plan) on planning permission 6/2023/2483/FULL

    38 New Road Digswell Welwyn AL6 0AH

    Received 14 Mar 2025
  24. Decided - Granted6/2017/2604/TPO

    Copper beech (T3)– cut back 3 overhanging branches causing hazard over driveway to abate encroachment Pine (T5) – cut back 2 overhanging branches by between 2-3m Pine (T6) – cut back 2 overhanging branches by between 2-3m Pine (T7) – cut back 1 overhanging branches by between 2-3m - Covered by TPO125 (1987)

    28 The Ridgeway Cuffley Potters Bar EN6 4AX

    Received 16 Oct 2017

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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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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