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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
40,154Searchable applications
303Recorded as pending
86%Approval rate · 33,678 approved or refused records
4,802Refused applications

28,876 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 3 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2018/1279/EM

    Fell 1x sycamore tree

    190 Handside Lane Welwyn Garden City AL8 6TD

    Received 15 May 2018
  2. Decided - GrantedS6/2014/1820/HH

    Prior approval for a single storey rear extension

    6 Bradmore Way, Brookmans Park, Hatfield, AL9 7QX

    Received 14 Aug 2014
  3. Decided6/2025/2253/TC

    1 x Goat Willow to fell.

    3 Parkfields Welwyn Garden City AL8 6EE

    Received 23 Oct 2025
  4. Decided - Granted6/2025/0916/EMT

    Oak to crown lift to 5m in height, and remove deadwood (to encourage new planting scheme).

    29 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 16 May 2025
  5. Decided - WithdrawnS6/2009/2762/FP

    CONVERSION OF GARAGE TO ANNEX, REPLACEMENT ROOF WITH INCREASE RIDGE HEIGHT, DORMER AND ROOF LIGHT WINDOW, ERECTION OF SINGLE STOREY REAR EXTENSION WITH BALCONY ABOVE

    ST MARKS COTTAGE, 7 WILD HILL, HATFIELD, HERTFORDSHIRE, AL9 6EB

    Received 24 Dec 2009
  6. Decided - Granted6/2016/0504/EM

    Erection of shed

    4 Polayn Garth, Welwyn Garden City, AL8 7DJ

    Received 16 Mar 2016
  7. Decided - Granted6/2026/0730/COND

    Submission of details pursuant to Condition 1 (Construction Management Plan), condition 2 (Samples of the materials), condition 3 (Hard and soft landscape), condition 4 (EV charging) and condition 6 (energy-efficient construction materials and processes) on planning permission 6/2025/1341/FULL

    24 Fulling Mill Lane Welwyn AL6 9NS

    Received 24 Apr 2026
  8. Decided6/2023/1884/TC

    Hornbeam hedge on boundary to be repollarded to original points.

    2 Elmwood Welwyn Garden City AL8 6LE

    Received 11 Sept 2023
  9. Decided - Granted6/2019/3183/HOUSE

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

    15 Broadfield Place Welwyn Garden City AL8 6LJ

    Received 18 Dec 2019
  10. Under Consideration6/2026/1583/EM

    Installation of a roof-mounted solar photovoltaic (PV) system comprising seven solar panels located on the side and rear roof slopes of the existing dwelling, together with associated inverter and battery storage equipment positioned at the rear of the property. No solar panels are proposed on the front elevation, and no internal alterations to the dwelling are proposed.

    15 Bedwell Close Welwyn Garden City AL7 3XH

    Received 10 Sept 2026
  11. Decided - Granted6/2021/0828/EMH

    Erection of a single storey rear extension and conversion from single dwelling to a HMO.

    12 Mount Way Welwyn Garden City AL7 4LF

    Received 15 Mar 2021
  12. Decided - RefusedS6/2007/1699/FP

    ERECTION OF TWO STOREY FRONT EXTENSION, INCORPORATING DORMER WINDOW

    1 Brookside Hatfield AL10 9RR

    Received 12 Nov 2007
  13. Decided - Granted6/2024/0897/TPO

    Covered by TPO 158 and TPO 889 ((2022) T1 Ash to fell (ash die back). T2 Ash to fell (ash die back).

    61 Peplins Way Brookmans Park AL9 7UR

    Received 14 May 2024
  14. Decided - Granted6/2017/2818/EM

    Reduce copper beech tree in rear garden by 30%

    237 Howlands Welwyn Garden City AL7 4HG

    Received 30 Nov 2017
  15. Decided - GrantedN6/2007/1544/FP

    ERECTION OF SINGLE STOREY FRONT, SIDE AND REAR EXTENSIONS

    49 Bridge Road Welwyn Garden City AL8 6UH

    Received 19 Oct 2007
  16. Decided - Granted6/2024/0571/HOUSE

    Erection of single storey rear extension

    116 Sweet Briar Welwyn Garden City AL7 3EA

    Received 22 Mar 2024
  17. Decided - Granted6/2021/1044/TPO

    T2 - conifer - crown reduce by 3m T5 - beech - reduce crown height and sides by 4m

    2 Brookmans Manor 2 Georges Wood Road Hatfield AL9 7BZ

    Received 29 Mar 2021
  18. Decided - RefusedN6/2004/1007/FP

    ERECTION OF A TWO STOREY REAR EXTENSION

    223 Heronswood Road Welwyn Garden City AL7 3JH

    Received 5 Jul 2004
  19. Decided - Granted6/2016/0996/HOUSE

    Erection of single storey rear and front extension

    28 Springfields, Welwyn Garden City, AL8 6XP

    Received 20 May 2016
  20. Decided6/2021/1804/TC

    Crab-apple - remove and replace with Blossom tree

    86 Attimore Road Welwyn Garden City AL8 6LP

    Received 10 Jun 2021
  21. Appeal Decided - AllowedS6/2010/0021/FP

    ERECTION OF PART TWO STOREY PART SINGLE STOREY REAR EXTENSION, SINGLE STOREY FRONT EXTENSION, ERECTION OF CHIMNEY AND INSERTION OF DORMER WINDOW

    38 BRADMORE WAY, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7QX

    Received 4 Jan 2010
  22. Decided - GrantedS6/2009/2187/LB

    REMOVAL OF INTERNAL WALL

    3 TOLMERS MEWS, NEWGATE STREET, HERTFORD, HERTFORDSHIRE, SG13 8RG

    Received 2 Oct 2009
  23. Decided6/2017/2211/TPO

    Crown reduce 2 x Beech trees and 1 x Robina tree by 50% - Conservation Area

    1 St Marys Close Welwyn AL6 9RL

    Received 28 Sept 2017
  24. Appeal Decided - Dismissed6/2025/0575/FULL

    Change of use from amenity land to residential land to form hard standing

    18 Douglas Way Welwyn Garden City AL7 2LY

    Received 26 Mar 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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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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