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
322Recorded as pending
86%Approval rate · 33,788 approved or refused records
4,816Refused applications

28,972 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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

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 - GrantedW6/2015/1271/EM

    Erection of replacement summerhouse in rear garden

    4 Polayn Garth Welwyn Garden City AL8 7DJ

    Received 15 Jun 2015
  2. Decided - Granted6/2020/0780/LB

    Erection of pergola and refurbishment of toilet facilities including reconfiguring the toilet entrances, new flooring, sanitaryware and vanity units

    The Wrestlers Public House 89 Great North Road Hatfield AL9 5LP

    Received 25 Mar 2020
  3. Decided - Granted6/2019/2550/EM

    Fell 1 x Sycamore tree

    11 Valley Road Welwyn Garden City AL8 7DG

    Received 10 Oct 2019
  4. Decided - Withdrawn6/2023/1620/FULL

    Retention of extra partition in flat and waterproofing works to the basement

    1-5 Flat 1 Park Street Hatfield AL9 5AT

    Received 4 Aug 2023
  5. Decided - Refused6/2023/1241/EMT

    1 x Robinia to fell to ground level. Tree is Ivy clad leading to poor form. Excessively overhanging neighbouring property causing a nuisance

    9 Homerfield, Welwyn Garden City, AL8 6QZ

    Received 12 Jun 2023
  6. Decided - Granted6/2021/2884/HOUSE

    Demolition of outbuilding to facilitate the erection of a single storey rear extension

    51 Crossway Welwyn Garden City AL8 7ED

    Received 8 Oct 2021
  7. Decided - Granted6/2021/1223/FULL

    Installation of a pair of timber gates, 2 new fence posts and picket fence to the existing car park entrance

    The Rose And Crown 14 Church Street Welwyn AL6 9LX

    Received 15 Apr 2021
  8. Decided6/2026/0038/TC

    5 day notice G8 Scot Pine and Austrian Pine, Monolith the Scot Pine to a habitable pole as dead, reduce the height of the Austrian Pine to that of the Willow next to it, allowing the Willow to gain a better crown

    Shaws Corner Bibbs Hall Lane Ayot St Lawrence AL6 9BX

    Received 9 Jan 2026
  9. Decided - RefusedW6/2013/1495/EM

    Erection of single storey side and rear extensions, two storey rear extension and new window openings to side elevation

    74 Valley Road, Welwyn Garden City, AL8 7DP

    Received 9 Jul 2013
  10. Decided - GrantedN6/2014/1358/FP

    Change of use from amenity to residential land and formation of hardstanding

    177 Thistle Grove, Welwyn Garden City, AL7 4AG

    Received 16 Jun 2014
  11. Decided - Granted6/2018/0465/TPO

    Reduce crown of 2 x Oak trees by 20% - TPO 1(1973)

    44 Carleton Rise Welwyn AL6 9RG

    Received 13 Feb 2018
  12. Decided - GrantedW6/2013/1806/TE

    Reduce Four Beech trees, Three Oak trees, Two Cherry trees, Three Silver Birch trees and One Copper Becch tree by 30% and remove One Sycamore tree

    1 Barleycroft Green, WELWYN GARDEN CITY, AL8 6JY

    Received 5 Aug 2013
  13. Decided - Granted6/2021/1376/HOUSE

    Erection of single storey front extension, construction of boundary wall and formation of hard standing with installation of dropped kerb

    3 Wilshere Road Welwyn AL6 9PU

    Received 29 Apr 2021
  14. Decided - Granted6/2017/2383/PN8

    Prior approval for the erection of a single storey rear extension measuring 4m in depth, 2.9m in height and 2.7m to the eaves

    45 Golden Dell Welwyn Garden City AL7 4EE

    Received 16 Oct 2017
  15. Decided - GrantedN6/2010/0179/TC

    REMOVAL OF CONIFER TREE FROM GARDEN

    41 ATTIMORE ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6LG

    Received 1 Feb 2010
  16. Decided - Granted6/2020/1562/HOUSE

    Erection of part first floor part two storey side extension, erection of balustrade, hip to gable roof extension, and 2 no. front dormer windows.

    42 The Grove Hatfield AL9 7RN

    Received 30 Jun 2020
  17. Decided - Granted6/2023/0078/HOUSE

    Erection of a single storey rear extension, garage conversion plus alterations to external openings to rear following demolition of existing conservatory

    221 Heronswood Road Welwyn Garden City Hertfordshire AL7 3JH

    Received 12 Jan 2023
  18. Decided6/2022/2595/TC

    1 x Apple to reduce by approximately 2.5m height & 1.5m radially (back to basic framework as annotated in pic)

    47 Brockswood Lane Welwyn Garden City AL8 7BE

    Received 14 Nov 2022
  19. Decided - Refused6/2023/1059/HOUSE

    Erection of a rear single storey and part two storey rear extension and a rear garden room following demolition of two outbuildings

    49 Birchwood Avenue Hatfield AL10 0PR

    Received 18 May 2023
  20. Decided - Granted6/2025/0944/EM

    Erection of detached garden room

    59 Parkway Welwyn Garden City. AL8 6JF

    Received 21 May 2025
  21. Decided - Granted6/2019/1067/MAJ

    Redevelopment of part of the Hill-Top shopping centre at High View to provide 18 retail units (Class A1, A2, A3, A5, B1 and sui generis) a Doctors' Surgery (Flexible use class A1, A2, A3, A5, and D1) 146 residential units (Class C3) new public open space including children's play area, new public square, associated parking, highways and drainage works and public realm improvements following demolition of existing

    Hill-Top Neighbourhood Centre High View Hatfield AL10 8HZ

    Received 2 May 2019
  22. Decided - Granted6/2019/0268/EM

    Erection of replacement shed

    60 Brockswood Lane Welwyn Garden City AL8 7BQ

    Received 6 Feb 2019
  23. Decided - GrantedW6/2006/0214/EM

    INSTALLATION OF WINDOW IN SIDE ELEVATION OF GARAGE

    58 Marsden Green, Welwyn Garden City, AL8 6YB

    Received 17 Feb 2006
  24. Decided - GrantedN6/2008/2205/DS

    DISCHARGE OF CONDITION 3 (MATERIALS) OF PLANNING PERMISSION N6/2008/0867/MA

    KNIGHTSFIELD SCHOOL, KNIGHTSFIELD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7LW

    Received 18 Nov 2008

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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  • Understanding planning · 13 min read

    Planning permission drawings: how to read plans

    Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.

  • 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.

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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