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
40,295Searchable applications
322Recorded as pending
86%Approval rate · 33,786 approved or refused records
4,816Refused applications

28,970 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2006/0430/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    23 Attimore Road Welwyn Garden City AL8 6LQ

    Received 3 Apr 2006
  2. Decided - Granted6/2025/2572/EMT

    Crown Lift 1 x Lime by 5m and reduce canopy by 30%. Crown thin 1 x Whitebeam by 10% and reduce canopy/height by 4m. Crown thin 1 x Mulberry Tree by 15% and reduce canopy/height by 2m.

    21 High Oaks Road Welwyn Garden City AL8 7BJ

    Received 15 Dec 2025
  3. Decided - GrantedS6/2009/0292/AD

    ERECTION OF ONE EXTERNALLY ILLUMINATED FASCIA SIGN AND THREE INTERNALLY ILLUMINATED FASCIA SIGNS

    UNIVERSITY OF HERTFORDSHIRE, STUDENT FORUM, COLLEGE LANE, HATFIELD, HERTFORDSHIRE, AL10 9PN

    Received 9 Feb 2009
  4. Decided - Granted6/2020/1824/EMT

    Fell 2x conifer trees (T1 & T2), crown lifting on 1x oak tree (T3) to 4.2 meters above ground level (crown currently starts 2.2 meters above ground level)

    25 Pentley Park Welwyn Garden City AL8 7RT

    Received 23 Jul 2020
  5. Decided - Granted6/2022/0489/LAWP

    Certificate of lawfulness to replace a polycarbonate flat roof on an existing conservatory/lean to with wooden rafters, USB board, internal finishes and external felt finish

    8 Chelwood Avenue Hatfield AL10 0RE

    Received 1 Mar 2022
  6. Decided - RefusedN6/2007/1164/LB

    PROPOSED EXTENDED BEDROOM ABOVE EXISTING FRONT DOOR PORCH

    WEST HOUSE DIGSWELL PLACE, RECTORY ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7SU

    Received 3 Aug 2007
  7. Decided - GrantedN6/2014/0549/TC

    Removal of one Silver Birch tree and one Conifer tree

    44 Handside Lane, Welwyn Garden City, AL8 6SJ

    Received 7 Mar 2014
  8. Decided - Granted6/2018/3025/PN11

    Prior approval for change of use of part of 2nd floor of the Fountain House from offices (B1) to residential (C3) creating 2 apartments

    Part 2nd Floor 1-7 Fountain House Howardsgate Welwyn Garden City AL8 6AL

    Received 26 Nov 2018
  9. Decided - Granted6/2022/0778/HOUSE

    Erection of a first floor side extension and single storey rear extension following demolition of existing conservatory

    18 Endymion Road Hatfield Hertfordshire AL10 8AS

    Received 30 Mar 2022
  10. Decided - Withdrawn6/2022/0051/EM

    Installation of a hardstanding to front

    1 Byfield Welwyn Garden City AL8 7AL

    Received 10 Jan 2022
  11. Decided - Refused6/2019/1075/HOUSE

    Erection of a rear single storey outbuilding and front porch extension

    54 College Lane Hatfield AL10 9PQ

    Received 3 May 2019
  12. Decided - Granted6/2016/0046/TPO

    Crown reduction of Oak Tree T1 by up to 1.5m or to previous pruning points and lift crown to 4m covered by TPO 440

    1 Ellenbrook Crescent Hatfield AL10 9RP

    Received 12 Jan 2016
  13. Decided - RefusedS6/2014/2368/NM

    Non material amendment following approval of planning permission S6/2012/0369/FP - Alteration of fenestration to road. Use of Bat Boxes in lieu of Bat Loft

    Cucumber Barn, Cucumber Lane, Essendon, Hatfield, AL9 6JB

    Received 28 Oct 2014
  14. Decided - RefusedS6/2013/0629/EI

    Screening Opinion

    Land at Northaw Road East, Cuffley, POTTERS BAR, EN6 4LU

    Received 14 Mar 2013
  15. Decided - Granted6/2020/3316/HOUSE

    Erection of a single storey extension following demolition of existing conservatory

    7 Sutherland Way Cuffley Potters Bar EN6 4EG

    Received 10 Dec 2020
  16. Decided - Granted6/2017/0949/EM

    Erection of single storey part rear and side extension

    69 Oakdale Welwyn Garden City AL8 7QP

    Received 5 May 2017
  17. Decided - Granted6/2023/1389/FULL

    Erection of an agricultural barn structure to cover existing silage clamps and associated landscaping.

    Boltons Park Farm 44 Hawkshead Road Little Heath Potters Bar EN6 1NB

    Received 4 Jul 2023
  18. DecidedN6/2009/1460/TC

    REMOVAL OF BEECH TREES

    11 MANDEVILLE RISE, WELWYN GARDEN CITY, HERTS, AL8 7JT

    Received 29 Jun 2009
  19. Decided - Granted6/2016/2288/HOUSE

    Erection of part single/part two storey side and rear extension, part single/part two storey rear extension following demolition of existing conservatory, two rear dormers, raising of roofline, front portico, alterations to fenestrations and openings, full brick face to front elevation, full render to sides and rear elevations & entrance gates, front boundary wall and railings.

    40 Mymms Drive, Brookmans Park, Hatfield, AL9 7AF

    Received 2 Nov 2016
  20. Decided - Granted6/2016/0754/FULL

    Erection of dwellinghouse following demolition of existing mobile home

    Linden Cottage, 62 Crossway, Welwyn Garden City, AL8 7EE

    Received 22 Apr 2016
  21. DecidedN6/1996/0116/OP

    Outline application for external alterations and single storey extensions to form a new 24 bed nursing complex, and additional car parking

    Brickwall House Nursing Home Great North Road Welwyn Garden City AL8 7SR

    Received 1 Jan 1996
  22. Decided - Granted6/2021/3451/EMT

    Reduce 3 lime trees back to pollard points

    322 Knightsfield Welwyn Garden City AL8 7NQ

    Received 9 Dec 2021
  23. Decided6/2021/1176/TC

    Fell 1 x Fir tree covered by conservation area

    31 Colgrove Welwyn Garden City AL8 6HY

    Received 12 Apr 2021
  24. Decided - Refused6/2025/0190/FULL

    Erection of a bungalow

    4 Harmer Green Lane Digswell Welwyn AL6 0AD

    Received 4 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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How to search planning applications

Guides to planning records

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    Planning application documents: what to read first

    Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.

  • 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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