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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
40,297Searchable applications
283Recorded as pending
86%Approval rate · 33,821 approved or refused records
4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 8 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2018/0199/HOUSE

    Erection of part single, part two storey rear extension

    5 Heath Cottages Heath Road Little Heath Potters Bar EN6 1LS

    Received 22 Jan 2018
  2. Decided6/2023/1741/TC

    Reduce 1 x Self Set Sallow to 1.5m Cut over hanging branch of 1 x Birch Tree Reduce 1 x Quince by 2m

    60 Attimore Road Welwyn Garden City AL8 6LP

    Received 17 Aug 2023
  3. Appeal Decided - DismissedS6/2009/0826/LU

    ENLARGEMENT OF EXISTING BEDROOM AT FIRST FLOOR COMPRISING ALTERATIONS TO ROOF, REMOVAL OF DORMER AND FIRST FLOOR REAR EXTENSION

    THE LODGE, 29 THE RIDGEWAY, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4BB

    Received 20 Apr 2009
  4. Decided - Refused6/2020/2696/FULL

    Change of use of existing stables with external alterations to form a 3 bedroom detached dwelling with associated car parking and use of existing vehicular access

    Brockfield Stables Homerswood Lane Ayot St Peter Welwyn AL6 9AD

    Received 15 Oct 2020
  5. Decided - GrantedW6/2004/1549/EM

    ERECTION OF REAR CONSERVATORY

    2 Hillyfields, Welwyn Garden City, AL7 2HB

    Received 15 Oct 2004
  6. Decided - Granted6/2016/1128/HOUSE

    Erection of Summer house & Timber shed following removal of existing shed

    339 St Albans Road West, Hatfield, AL10 9RN

    Received 8 Jun 2016
  7. Decided - Granted6/2016/1296/COND

    Approval of details reserved by condition 11 (landscaping), condition 12 (construction statement), condition 13 (archaeology) and condition 14 (noise report) on planning permission 6/2015/2213/MAJ

    Rank Xerox Ltd, Bessemer Road, Welwyn Garden City, AL7 1HE

    Received 28 Jun 2016
  8. Decided - GrantedN6/2014/1619/FP

    Alterations to roof to form first floor creating 2 gable ends, insertion of 3 dormer windows to front elevation and 1 dormer window to rear elevations

    10 Aldock, Welwyn Garden City, AL7 4QF

    Received 17 Jul 2014
  9. Decided - Granted6/2021/2466/FULL

    Erection of precast concrete storage building and the removal of existing storage building

    Scout Hut Northaw Road West Northaw Potters Bar EN6 4NP

    Received 23 Aug 2021
  10. Decided - Granted6/2017/0764/PN8

    Prior approval for the erection of a single storey rear extension measuring 5.945m in depth, 2.775m in height and 2.775m to the eaves.

    311 Knightsfield Welwyn Garden City AL8 7NJ

    Received 12 Apr 2017
  11. Decided - GrantedN6/2007/0350/FP

    ERECTION OF REPLACEMENT SINGLE STOREY SIDE EXTENSION

    2 Hobbs Hill Welwyn AL6 9DS

    Received 2 Mar 2007
  12. Decided - Granted6/2021/3484/EMT

    Remove 1 x Cherry tree (T1) to ground level due to it being rotten and potentially falling over causing damage to neighbours shed. Reduce 1 x Cherry tree (T2) by 3m in height as it is restricting light into the property.

    8 Honeycroft Welwyn Garden City AL8 6HR

    Received 14 Dec 2021
  13. Decided - Granted6/2025/1960/LAWP

    Certificate of lawfulness for conversion of the detached garage into habitable space and replacing a garage door with french doors.

    45 Mardley Hill Welwyn AL6 0TT

    Received 11 Sept 2025
  14. Decided - WithdrawnS6/2004/1189/FP

    FORMATION OF NEW SQUARE TO INCLUDE COLONNADE, GATE, CAR PORT, OBELISK, NEW RAILING AND PAVING. DEMOLITION OF VARIOUS GARAGES, REINSTATEMENT OF FRONT ELEVATION TO EXISTING BUILDING

    The Gate House Fore Street Hatfield AL9 5AL

    Received 4 Aug 2004
  15. Decided - Granted6/2016/2190/TPO

    Dead and Dangerous application - Removal of dead Elm tree and reduction of 33% on Holly and Hawthorn hedge

    1 Ruins Cottages Hill Farm Lane Ayot St Lawrence Welwyn AL6 9BU

    Received 18 Oct 2016
  16. Decided - Granted6/2019/3240/EM

    Erection of shed

    5 The Links Welwyn Garden City AL8 7DS

    Received 24 Dec 2019
  17. DecidedN6/2008/1107/TC

    REMOVAL OF OVERHANGING BRANCHES FROM SYCAMORE TREE IN NEIGHBOURING PROPERTY

    21 Ellesfield Welwyn AL6 9HB

    Received 10 Jul 2008
  18. Decided - Refused6/2017/0267/EM

    Increase width of driveway from 2.7m to 4.5m

    1 Coneydale Welwyn Garden City AL8 7RX

    Received 13 Feb 2017
  19. Decided - Granted6/2019/0642/EM

    Installation of rooflight

    34 Valley Road Welwyn Garden City AL8 7DN

    Received 19 Mar 2019
  20. Decided - GrantedN6/2008/2262/TP

    CLEAR ALL OVERHANGING, DEAD AND BROKEN BRANCHES (MIXED SPECIES) FELL CHERRY AND ASH TREE IN G1 AND G2. POLLARD T1 LIME TREE AND REDUCE AND SHAPE BY 30% T2 LIME TREE ALL COVERED BY TPO 194

    LAND TO R/O, 5-9 SHERRARDS MEWS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7AX

    Received 25 Nov 2008
  21. Decided - GrantedN6/2009/1815/FP

    ERECTION OF SINGLE STOREY AND TWO STOREY REAR EXTENSION AND SINGLE STOREY SIDE EXTENSION

    7 BROCKSWOOD LANE, WELWYN GARDEN CITY, HERTS, AL8 7BA

    Received 17 Aug 2009
  22. Decided - GrantedW6/2014/0972/TE

    H1 - Mixed species - remove Forsythis. Remove closest x2 Beech stems to the rear right corner. H2 - Beech - remove the closest x2 stems to the front right corner of the garage. Reduce retained section oto 1.7m in height and maintain at reduced dimensions.

    131 Handside Lane, Welwyn Garden City, AL8 6TA

    Received 6 May 2014
  23. Decided - GrantedW6/2009/2292/EM

    ERECTION OF SINGLE STOREY REAR EXTENSION AND FRONT BAY WINDOW

    90 LEMSFORD LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6YL

    Received 19 Oct 2009
  24. Decided - GrantedN6/2004/1076/FP

    RETENTION OF REAR CONSRVATORY

    22 Waterbeach Welwyn Garden City AL7 2PT

    Received 12 Jul 2004

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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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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