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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
40,250Searchable applications
321Recorded as pending
86%Approval rate · 33,746 approved or refused records
4,812Refused applications

28,934 approved · 4,812 refused · 2,213 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 6 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2022/2522/EMT

    1 x Eucalyptus to fell to ground level - Tree is too large for area and damaging path

    107 Woodhall Lane, Welwyn Garden City, AL7 3TH

    Received 3 Nov 2022
  2. Decided - GrantedN6/2008/0514/TP

    CROWN REDUCTION BY 5% OF SYCAMORE TREE T1 COVERED BY TPO 58

    13 London Road Woolmer Green Knebworth SG3 6JE

    Received 6 Mar 2008
  3. Decided - Granted6/2022/2656/HOUSE

    Erection of part single and part two storey rear extension, following demolition of conservatory.

    62 Runsley Welwyn Garden City Hertfordshire AL7 1NJ

    Received 22 Nov 2022
  4. Decided - Refused6/2023/2024/EMT

    1 x Oak to reduce to approximately 2m below historic topping points

    368 Knightsfield Welwyn Garden City AL8 7NG

    Received 2 Oct 2023
  5. Decided - Refused6/2019/0534/HOUSE

    Erection of front porch following demolition of existing porch, single storey rear extension and first floor rear extension to change existing dormer into a gable end and alterations to existing fenestration on existing side and rear elevations; including proposed rendering to first floor of existing front elevation

    5 Old Forge Close Welwyn AL6 0SR

    Received 8 Mar 2019
  6. Decided - GrantedS6/2004/1708/FP

    SINGLE STOREY REAR EXTENSION

    Lower West End Farm West End Lane Essendon Hatfield AL9 6AZ

    Received 18 Nov 2004
  7. Decided - GrantedW6/2009/0257/EM

    CONVERSION OF GARAGE AND ALTERATIONS INCLUDING; INSERTION OF WINDOWS INTO THE FRONT, REAR AND SIDE ELEVATIONS AND INSERTION OF REAR FRENCH DOORS

    59 FURZEFIELD ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3RL

    Received 13 Feb 2009
  8. Decided - Granted6/2022/1662/TPO

    1 x Ash to reduce height by approximately 3m height, reduce width by 2m to allow more light 1 x Oak to reduce by approximately 2.5m in height to allow more light Trees covered under TPO 642 (2017) G1

    12 Hillside Way Welwyn AL6 0TY

    Received 14 Jul 2022
  9. Decided6/2019/2136/TC

    Reduce 1 x Hornbeam (HH) by 33% Reduce 1 x Oak (O) by 33% Reduce 1 x Cherry (C) by 33% Reduce 1 x Silver Birch (SB) by 33% Reduce 1 x Beech tree (B) by 33% Fell 1 x Laurel bush (L)

    1 Barleycroft Green Welwyn Garden City AL8 6JY

    Received 28 Aug 2019
  10. Decided - Granted6/2020/3281/EMT

    SG2 - Mixed species shrubs: including Camelia, Rose, Pyracantha, Philadelphus, Escallonia, Quince, Forsythia, Spindle tree and Cotoneaster - Remove. T6 - Holly - Remove. T7 - Acer - Remove. T9 - Birch (Silver) - Remove. The tree works are proposed to stop the influence of the tree(s) on the soil below building foundation level and provide long term stability.

    21 High Oaks Road, Welwyn Garden City, AL8 7BJ

    Received 7 Dec 2020
  11. Decided - Granted6/2015/2180/TPO

    Reduce Conifer hedge, Acer, Laurel and Crab Apple tree by 1m - Conservation Area.

    25 Russellcroft Road, Welwyn Garden City, AL8 6QX

    Received 22 Oct 2015
  12. Decided - Granted6/2025/2431/EM

    Erection of two storey and part single storey rear extension, alterations to openings and garden room

    133 Handside Lane Welwyn Garden City AL8 6TA

    Received 19 Nov 2025
  13. Decided - Granted6/2025/1974/MAJ

    Erection of university building and associated landscaping and infrastructure works, following demolition of various existing buildings

    University Of Hertfordshire College Lane Hatfield AL10 9AB

    Received 15 Sept 2025
  14. Decided - GrantedS6/2014/1060/LUE

    Certificate of lawfulness for the enlargement of existing rear dormer with flat roof, new side dormer over stairs, and rear extension replacing existing conservatory

    23 Northaw Road East, Cuffley, Potters Bar, EN6 4LY

    Received 16 May 2014
  15. Decided - GrantedN6/2012/2609/FP

    Erection of single storey side extension

    43 Longcroft Lane, WELWYN GARDEN CITY, AL8 6EB

    Received 13 Dec 2012
  16. Decided - Granted6/2015/2028/EM

    Erection of single storey rear extension

    37 Turmore Dale, Welwyn Garden City, AL8 6HT

    Received 29 Sept 2015
  17. Decided - Refused6/2021/1460/TPO

    Oak - fell

    5 Leefe Way Cuffley Potters Bar EN6 4DF

    Received 10 May 2021
  18. Decided - GrantedN6/2004/0636/FP

    ERECTION OF TWO SINGLE STOREY OUTBUILDINGS AND NEW WINDOW IN EAST ELEVATION OF EXISTING HOUSE

    31 Node Way Gardens Welwyn AL6 9FD

    Received 29 Apr 2004
  19. Decided - Granted6/2019/1671/TPO

    Reduce 1x T1 Ash Tree by 3m (TPO 240)

    4 Lea Green Mill Green Lane Hatfield AL9 5NX

    Received 8 Jul 2019
  20. Decided - Granted6/2024/1176/EMT

    1 x Hornbeam, crown reduction of 25% all round. To retain tree to a suitable size for the garden

    53 Handside Lane Welwyn Garden City AL8 6SH

    Received 24 Jun 2024
  21. Decided - Granted6/2021/2259/HOUSE

    Erection of a single storey side and rear extension to include alterations to fenestrations, and replacement of raised decking area with paved area

    4 Hollybush Close Welwyn AL6 0PZ

    Received 28 Jul 2021
  22. Decided - GrantedS6/2013/1935/LB

    Relocation of free standing mural to side elevation of proposed apartment block and relocation of small free standing sculpture (test piece for mural) into landscape square

    Former Three Valleys Water, Bishops Rise, Hatfield, AL10 9HJ

    Received 3 Sept 2013
  23. Decided - RefusedS6/2007/1267/FP

    PROPOSED LOFT CONVERSION AND HIP TO GABLE ROOF INCLUDING REAR DORMER WINDOW

    44 Skimpans Close, HATFIELD, Hertfordshire, AL9 7PB

    Received 22 Aug 2007
  24. Decided - Granted6/2021/0431/ADV

    Installation of 1 x externally illuminated fascia sign

    35-37 Howardsgate Welwyn Garden City AL8 6AP

    Received 11 Feb 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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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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