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England · Local authority

Welwyn Hatfield Borough Council
Planning applications.

Explore collected planning applications and decisions for Welwyn Hatfield Borough Council. Search an address, application reference or proposal to find a record.

Collected application statistics

Collected records · All available dates
30,698Searchable applications
303Recorded as pending
87%Approval rate · 25,550 approved or refused records
3,362Refused applications

22,188 approved · 3,362 refused · 1,637 withdrawn. Received dates in our records: 29 Apr 1948 to 13 Oct 2026. Most recent record check: 19 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2018/1273/HOUSE

    Erection of a single storey side and rear extension

    6 Hillside Welwyn Garden City AL7 4PZ

    Received 14 May 2018
  2. Decided - Granted6/2021/2828/HOUSE

    Erection of a single storey side extension, first floor rear extension and front extension, alterations to the roof to form a crown roof, garage conversion and alterations to the property front at first floor level

    30 Moffats Lane Hatfield AL9 7RU

    Received 1 Oct 2021
  3. Decided - Granted6/2024/0055/EM

    Erection of rear outbuilding to be used as a gym

    8 Cole Green Lane Welwyn Garden City AL7 3PW

    Received 8 Jan 2024
  4. Decided - Granted6/2021/0043/EM

    Replacement of shed with garden room in rear garden

    29 Barleycroft Road Welwyn Garden City AL8 6JX

    Received 7 Jan 2021
  5. Decided - Refused6/2022/2745/FULL

    Erection of two four bedroom dwellings with additional dropped kerb to create two separate driveways, following demolition of the existing bungalow

    75 King James Avenue Cuffley Potters Bar Hertfordshire EN6 4LW

    Received 5 Dec 2022
  6. Decided - Granted6/2024/2325/EMT

    Fell 1 x Sorbus

    6 Polayn Garth Welwyn Garden City AL8 7DJ

    Received 3 Dec 2024
  7. Decided - Granted6/2024/1476/TPO

    Covered by TPO 1059 (2023) T1- tree located at 78 Brookside Crescent. T1 Oak to crown lift to 5m over house 76’s garden and remove broken branch (as seen in TPO 1059 (2023) T1 Photograph of broken branch).

    76 Brookside Crescent Cuffley EN6 4QJ

    Received 5 Aug 2024
  8. Decided - GrantedS6/2015/0731/HH

    Prior approval for the erection of single storey rear extension

    90 Briars Lane Hatfield AL10 8EU

    Received 2 Apr 2015
  9. Decided - Granted6/2021/2281/HOUSE

    Construction of first floor side and part rear extension, and single storey rear extension

    69 Bluebridge Road Brookmans Park AL9 7UW

    Received 29 Jul 2021
  10. Decided - Granted6/2021/0124/EMT

    Fell 8 x Leylandii Conifers, 4 x Conifer varieties and 1 x plum tree

    68 Attimore Road Welwyn Garden City AL8 6LP

    Received 15 Jan 2021
  11. Decided - GrantedW6/2014/0468/EM

    Erection of two storey side and rear extension and alteration to rear of garage to habitable accommodation to include installation of a bay window

    40 Pentley Park, Welwyn Garden City, AL8 7SB

    Received 5 Mar 2014
  12. Decided - Granted6/2022/1883/EMT

    T1 Cypress remove to ground level. T2 Cypress remove to ground level.

    16 The Pastures Welwyn Garden City AL7 4PX

    Received 12 Aug 2022
  13. Decided - Granted6/2017/2393/TPO

    Fell to ground three Ash Trees marked T6-T11-T20 and two Beech Trees marked T25 and T26 covered by TPO 517 (2016)

    15 - 17 Newgate Street Village Hertford SG13 8RA

    Received 18 Oct 2017
  14. Decided6/2025/2132/TC

    2 x Norway maples to reduce back away from property by 3m full height of the tree

    The Garden City Practice Birdcroft Road Welwyn Garden City AL8 6EH

    Received 6 Oct 2025
  15. Decided - Granted6/2025/0335/HOUSE

    Proposed loft conversion with installation of roof lights to the front, side and rear roofslopes, new window within the front gable elevation and rear dormer

    9 Reeves Court Welwyn AL6 9FU

    Received 21 Feb 2025
  16. Decided - Granted6/2019/0588/EM

    Reduce 2 x Beech trees (L and K) and 1 x Oak tree (J) by 30%

    1 Fern Grove Welwyn Garden City AL8 7ND

    Received 12 Mar 2019
  17. Decided - Withdrawn6/2015/2291/EM

    Erection of new conservatory

    12 Fallowfield, Welwyn Garden City, AL7 1EE

    Received 9 Nov 2015
  18. Decided - WithdrawnN6/2014/1594/FP

    External alterations to shop front and installation of ATM

    52-54 Howardsgate, Welwyn Garden City, AL8 6BB

    Received 10 Jul 2014
  19. Appeal Decided - Dismissed6/2024/0511/HOUSE

    Installation of swing opening gates on existing drive

    8 Pennyfathers Lane Welwyn AL6 0EN

    Received 18 Mar 2024
  20. Decided - GrantedS6/2014/0523/FP

    Erection of rear conservatory

    1 Deerswood Avenue Hatfield AL10 8RX

    Received 12 Mar 2014
  21. Decided6/2026/0183/EIA

    Request for a screening opinion in relation to a replacement sports hall, provision of sports field viewing bank and associated ground works plus hard stand and soft landscaping works

    Monks Walk School Knightsfield Welywn Garden City AL8 7NL

    Received 2 Feb 2026
  22. Decided - Granted6/2025/0385/HOUSE

    Conversion of garage to habitable outbuilding to use as an office and gym and infilling garage doors with brickwork and windows and installation of new gate and wall

    38 Wyton Welwyn Garden City AL7 2PF

    Received 27 Feb 2025
  23. Decided - GrantedS6/2014/0163/FP

    Erection of rear conservatory, including patio and steps

    12 Upland Drive, Brookmans Park, Hatfield, AL9 6PS

    Received 22 Jan 2014
  24. Decided - Refused6/2016/1547/EM

    Alteration to widen existing access and create a driveway

    54 Bridge Road, Welwyn Garden City, AL8 6UR

    Received 28 Jul 2016

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

View all applications

Researching a proposal in Welwyn Hatfield Borough Council

Start with the address or application reference. Open a record to read the proposal, dates and available documents, then check the official register for the latest plans and consultation details. If nothing appears, check coverage before treating the result as a complete planning history.

How to search planning applications

Guides to planning records

All planning guides

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    Planning permission drawings: how to read plans

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  • 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.

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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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