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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
40,115Searchable applications
300Recorded as pending
86%Approval rate · 33,648 approved or refused records
4,801Refused applications

28,847 approved · 4,801 refused · 2,205 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2021/0483/HOUSE

    Erection of first floor extension including raising of roof level and conversion of loft, erection of single storey rear extension and alterations to openings and refurbishment. Extension of existing garage and modifications to drive/front garden.

    10 Mannicotts Welwyn Garden City AL8 7BW

    Received 15 Feb 2021
  2. Decided - Withdrawn6/2016/0801/HOUSE

    Replacement windows and front door to property

    114 The Commons, Welwyn Garden City, AL7 4SB

    Received 28 Apr 2016
  3. Decided - GrantedN6/2013/0565/FP

    Erection of rear conservatory

    17 Reddings, WELWYN GARDEN CITY, AL8 7LA

    Received 7 Mar 2013
  4. Decided - GrantedS6/2014/1278/HH

    Prior approval for a single storey rear extension

    85 Heathcote Avenue Hatfield AL10 0RL

    Received 12 Jun 2014
  5. Decided - Granted6/2020/0765/EM

    Replacement of shed

    189 Handside Lane Welwyn Garden City AL8 6TE

    Received 23 Mar 2020
  6. Decided - Granted6/2020/1290/EMT

    Reduce 1 x Leyland Cypress tree by 6m height & 2.5m width

    12 Homerfield Welwyn Garden City AL8 6QZ

    Received 8 Jun 2020
  7. Decided - Refused6/2022/1407/ADV

    Installation of 2 sets of externally illuminated fascia text and 1 externally illuminated projection sign.

    9 Osborn House Howardsgate Welwyn Garden City Hertfordshire AL8 6AT

    Received 20 Jun 2022
  8. Decided - WithdrawnS6/2015/1425/HOUSE

    Erection of part single storey, part two storey front extension and part single part two storey rear extension and conversion of garage, following demolition of existing front porch and side extension

    37 Pine Grove Brookmans Park Hatfield AL9 7BL

    Received 2 Jul 2015
  9. Decided - Withdrawn6/2024/0074/EM

    Erection of a part double, part single storey rear extension to replace existing, conversion of existing outbuildings to form single storey side extension, raising of roof to garage, installation of rear dormer window to facilitate a loft conversion

    38 Barleycroft Road Welwyn Garden City AL8 6JU

    Received 10 Jan 2024
  10. Decided - Granted6/2015/2245/HOUSE

    Conversion of garage into study

    14 Wyton, Welwyn Garden City, AL7 2PF

    Received 3 Nov 2015
  11. Decided - Granted6/2016/1437/FULL

    Erection of new dwelling and garden room following demolition of existing house

    1 Calder Avenue, Brookmans Park, Hatfield, AL9 7AH

    Received 15 Jul 2016
  12. Decided - Granted6/2020/1003/TPO

    Reduce 1 x Oak Tree by 40% [T1] Reduce 5 x Oak Trees by 30% for each tree. [T2 - T6] Reduce 1 x Sycamore Tree by 30% [T31] covered by TPO1 [1972]

    Linden Cottage 62 Crossway Welwyn Garden City AL8 7EE

    Received 2 May 2020
  13. Decided - GrantedN6/2008/1235/FP

    ERECTION OF SINGLE STOREY SIDE EXTENSION

    45 BIRCHALL WOOD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 2HL

    Received 17 Jul 2008
  14. Decided - GrantedW6/2007/1200/EM

    ADDITIONAL HARDSTANDING AND ALTERATIONS TO FRONT GARDEN

    75 Moorlands, Welwyn Garden City, AL7 4QJ

    Received 8 Aug 2007
  15. Decided - Granted6/2022/1379/LAWP

    Certificate of lawfulness for the installation of 2No hip to half hip roof extensions and insertion of skylights to accommodate loft conversion

    Carramore House 50 Vineyards Road Northaw Potters Bar EN6 4PD

    Received 15 Jun 2022
  16. Decided6/2025/1821/TC

    Palm tree within bamboo to be removed - too close to property Oak to be lifted to 2.5m above ground level. Lateral branches over garden to be reduced by 1.5m the branches are too close to ground and blocking the light and space

    2 Vine Close Welwyn Garden City AL8 7PS

    Received 27 Aug 2025
  17. Decided - SplitN6/2005/1289/TP

    FELLING OF DOUGLAS FIR T6 AND WORKS TO OAK TREE T10 COVERED BY TPO 211

    4 Robbery Bottom Lane Welwyn AL6 0UW

    Received 12 Oct 2005
  18. Decided - Granted6/2024/0318/LB

    Partial repair and partial replacement of the existing timber window frames and doors

    69 The Ryde Hatfield AL9 5DN

    Received 19 Feb 2024
  19. Decided - Granted6/2023/1596/LB

    Installation of a conservation roofllight to rear, replacement roof tiles, new leadwork to base of chimneys and at roof level, and general repairs at front /side elevation

    24 Church Street Hatfield AL9 5AW

    Received 1 Aug 2023
  20. Decided - Refused6/2025/2087/HOUSE

    Erection of new boundary fence and entrance gates with resurfaced driveway apron

    Nyn Park Potters Bar Lodge Well Road Northaw Potters Bar EN6 4BT

    Received 1 Oct 2025
  21. Decided - Granted6/2021/3530/VAR

    Removal of condition 5 (ensure benefit of Welwyn Garden City Housing Association) and variation of condition 6 (Occupation restricted to the elderly residents of Cuffley and Northaw) on planning permission S6/1975/0499/

    Greenfield Development (19-97) South Drive Cuffley Potters Bar EN6 4HW

    Received 21 Dec 2021
  22. Decided - GrantedN6/2014/0651/TC

    Removal of Holly tree

    134 Lemsford Lane, Welwyn Garden City, AL8 6YP

    Received 14 Mar 2014
  23. Decided - Withdrawn6/2017/2629/EM

    Installation of fire door to North elevation with associated escape path and parking spaces, to replace existing windows, and installation of windows to South elevation to replace existing double doors. Installation of new sign to West elevation

    Parkway Community Health Centre, Birdcroft Road, Welwyn Garden City AL8 6EH

    Received 9 Nov 2017
  24. Decided - Granted6/2022/0326/FULL

    Installation of a storage tank and three Selective Catalytic Reduction (SCR) exhaust gas treatment on existing three roof top generators with roof mounted equipment and associated handrails

    Booker Cash And Carry Hatfield Business Park Frobisher Way Hatfield AL10 9TR

    Received 11 Feb 2022

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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