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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
40,102Searchable applications
300Recorded as pending
86%Approval rate · 33,637 approved or refused records
4,800Refused applications

28,837 approved · 4,800 refused · 2,204 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 30 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 Counts reflect the last collected status; some records may be out of date.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 - Withdrawn6/2019/1327/EM

    Reduce 1x Birch Tree by 10%

    65 Broomhills, Welwyn Garden City, AL7 1RE

    Received 4 Jun 2019
  2. Decided - Granted6/2021/3169/COND

    Submission of details pursuant of condition 1 (10m swept path analysis) on planning permission 6/2021/2116/FULL

    The Chequers 16 London Road Knebworth SG3 6JP

    Received 5 Nov 2021
  3. Decided - Granted6/2018/0718/LB

    Refurbishment and extension of the Grade II listed Green Man PH including the erection of a micro-brewery

    Mill Green Mill Green Lane Hatfield AL9 5NQ

    Received 16 Mar 2018
  4. Decided - Granted6/2017/1838/VAR

    Variation of condition 1 (approved plans) and 2 (materials) on planning permission 6/2016/1598/FULL

    The Doves Hill Farm Lane Welwyn AL6 9BU

    Received 18 Aug 2017
  5. Decided - Granted6/2025/1760/FULL

    Installation of an AC condenser unit to rear elevation of the building.

    55-57 Howardsgate Welwyn Garden City AL8 6BB

    Received 19 Aug 2025
  6. Decided - Granted6/2022/2549/EMT

    Fell beech tree in front garden due to honey fungus disease

    31 Bridge Road Welwyn Garden City AL8 6UG

    Received 7 Nov 2022
  7. Decided - Granted6/2019/1549/EM

    Reduce Lombardy Poplar tree T1 in height by 40% Reduce Lombardy Poplar tree T2 in height by 30% Fell Purple leaved plum tree T3 Reduce Yew tree T4 by approximately 3m and shape

    8 Sherrardspark Road Welwyn Garden City AL8 7JP

    Received 25 Jun 2019
  8. Decided - GrantedN6/2008/2374/DS

    DISCHARGE OF CONIDITION 4 (DETAILS OF MECHANISM) FROM PLANNING DECISION NOTICE N6/2008/806/FP

    39 London Road, Knebworth, SG3 6JE

    Received 8 Dec 2008
  9. Decided - Granted6/2022/1671/HOUSE

    Erection of front porch and conversion of garage into habitable space

    33 Cornflower Way Hatfield AL10 9FY

    Received 15 Jul 2022
  10. Decided - Refused6/2021/0364/HOUSE

    Erection of hip to gable end loft conversion with dormer windows to the rear elevation and 3 x velux windows to the front elevation

    16 Selwyn Avenue Hatfield AL10 9NP

    Received 5 Feb 2021
  11. Decided - Refused6/2019/1370/MAJ

    Erection of 26 dwellings and associated access

    Land to the east of Firs Wood Close, Northaw

    Received 7 Jun 2019
  12. Decided - Refused6/2018/1061/HOUSE

    Erection of a first floor rear extension

    11 Elm Drive Hatfield AL10 8NR

    Received 24 Apr 2018
  13. Decided - Refused6/2016/1243/EM

    Installation of solar panels

    88 Homestead Lane, Welwyn Garden City, AL7 4NX

    Received 22 Jun 2016
  14. Decided - GrantedN6/2009/2363/DS

    DISCHARGE OF CONDITIONS 3 (SAMPLES), 9 (ROAD SURFACE), 11(CONTAMINATED LAND), 12 (ARCHAEOLOGY), 13 (LANDSCAPING), 14 (TREES), 15 (PROTECTION OF REPTILE SPECIES), 16 (INTERNAL SOUND INSULATION), 17 (ACOUSTIC NOISE), 18 (DRAINAGE) AND 19 (ENERGY) N6/2010/1446/S73A

    LAND TO THE REAR OF, 173A-187 KNELLA ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3NA

    Received 2 Nov 2009
  15. Decided - Granted6/2024/1466/LAWP

    Certificate of lawfulness for installation of 10 photovoltaic (PV) panels on the front facing roofslope

    32 Newfields Welwyn Garden City AL8 6YT

    Received 2 Aug 2024
  16. Decided - Granted6/2017/1910/TPO

    Reduce Silver birch crown by 2.5m, cut back 6 branches of 2 Cedar trees to give 2m clearance of property and garage plus deadwood 5 Cedar trees and 2 Pine trees covered by TPO 224

    1 Hanyards Lane Cuffley Potters Bar EN6 4AS

    Received 24 Aug 2017
  17. Decided - Granted6/2017/2435/LAWP

    Certificate of Lawfulness for the installation of rear dormer window for the facilitation of loft conversion

    7 High Wickfield Welwyn Garden City AL7 2LN

    Received 23 Oct 2017
  18. Decided - GrantedW6/2013/2352/TE

    Prune of oak tree branches by approximately 3 metres and remove one branch entirely

    3 Densley Close, Welwyn Garden City, AL8 7JX

    Received 11 Nov 2013
  19. Decided - GrantedW6/2007/1738/EM

    ERECTION OF TWO STOREY REAR EXTENSION & DETACHED GARAGE

    72 Peartree Lane, Welwyn Garden City, AL7 3UH

    Received 16 Nov 2007
  20. Decided - Granted6/2020/1899/EM

    Erection of garden room / office.

    139 The Vineyard Welwyn Garden City AL8 7PX

    Received 31 Jul 2020
  21. Decided - GrantedN6/2008/1433/AD

    ERECTION OF NON ILLUMINATED FASCIA SIGN TO MAIN ENTRANCE

    SIR FREDERIC OSBORN SCHOOL, HERNS LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 2AF

    Received 14 Aug 2008
  22. Decided - Granted6/2024/0299/LB

    Internal alterations

    20 Danesbury Park North Ride Welwyn AL6 9SA

    Received 13 Feb 2024
  23. Decided - GrantedN6/2014/2627/DS

    Approval of details reserved by condition 3 (Materials) for N6/2014/0922/FP

    21 Birchall Wood, Welwyn Garden City, AL7 2HL

    Received 3 Dec 2014
  24. Decided - Granted6/2021/0655/HOUSE

    Retrospective application for erection of single storey rear extension

    1 Crawford Road Hatfield AL10 0PF

    Received 1 Mar 2021

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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