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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
40,295Searchable 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28,970 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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
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 - Granted6/2018/1378/COND

    Confirmation that conditions attached to application 6/2015/1990/EM have been complied with

    23 Summer Dale, Welwyn Garden City, AL8 7QH

    Received 18 May 2018
  2. Decided - GrantedN6/2013/1508/FP

    Replacement sales building and forecourt alterations, including ATM, refuse and plant areas and changes to parking and services

    BP Oil Nodeway Connect, Welwyn By Pass, London Road, Welwyn, AL6 9HX

    Received 11 Jul 2013
  3. Decided - Granted6/2018/1640/EM

    Erection of single storey side and rear extension following demolition of existing side extension and formation of pitched roof to existing two storey rear extension.

    46 Elmwood Welwyn Garden City AL8 6LE

    Received 22 Jun 2018
  4. Decided - Granted6/2018/1366/LAWP

    Certificate of lawfulness for a single storey front porch extension

    17 The Cloisters Welwyn Garden City AL8 6DU

    Received 22 May 2018
  5. Decided6/2019/0914/EM

    Fell 1 x Leyland Cypress hedge Fell 1 x Elder tree Fell 1 x Cherry tree Reduce 1 x Robinia tree

    39 Marley Road Welwyn Garden City AL7 4BT

    Received 16 Apr 2019
  6. Decided - GrantedS6/2008/1764/DS

    DISCHARGE OF CONDITION 2 (MATERIALS) OF PLANNING PERMISSION S6/2007/0509/FP

    WHITE LODGE FARM, BULLS LANE, BROOKMANS PARK, HATFIELD

    Received 19 Sept 2008
  7. Decided - Granted6/2016/0041/EM

    Reduce Conifer tree by 50%, second Conifer tree by 30% plus thinning of Apple tree

    49 Blakemere Road, Welwyn Garden City, AL8 7PQ

    Received 8 Jan 2016
  8. Decided - Refused6/2017/0691/HOUSE

    Erection of a double storey side and single storey wrap around rear extension with the installation of 2 rooflights, re-cladding of existing single storey front elevation and alterations to openings, following the demolition of existing conservatory, garage and utility room

    17 Woodland Rise Welwyn Garden City AL8 7LJ

    Received 5 Apr 2017
  9. Decided - Granted6/2022/1210/HOUSE

    Proposed loft conversion with rear dormer and two front rooflights

    8 Homerfield Welwyn Garden City AL8 6QZ

    Received 25 May 2022
  10. Decided - GrantedS6/2007/1633/FP

    ERECTION OF TWO STOREY SIDE EXTENSION & RELOCATION OF GARAGE

    21 SYCAMORE AVENUE, HATFIELD, HERTFORDSHIRE, AL10 8LZ

    Received 1 Nov 2007
  11. Decided - RefusedN6/2005/1392/FP

    ERECTION OF GROUND FLOOR EXTENSIONS, ENLARGEMENT OF FRONT PORCH. RAISING OF ROOF AND INSERTION OF NEW WINDOWS TO FACILITATE FIRST FLOOR ACCOMMODATION

    10 The Limberlost Welwyn AL6 9TS

    Received 7 Nov 2005
  12. Appeal Decided - DismissedN6/2004/0786/FP

    CONSTRUCTION OF REPLICA ROMAN BATH FOR EXPERIMENTAL AND ARCHAEOLOGICAL RESEARCH PURPOSES

    Land at Mardleybury Farm Mardleybury Road Woolmer Green Knebworth SG3 6SG

    Received 26 May 2004
  13. Decided - GrantedN6/2014/1738/FP

    Erection of single storey rear extension

    85 Valley Road, Welwyn Garden City, AL8 7DR

    Received 4 Aug 2014
  14. Decided - Granted6/2019/2504/LB

    Alterations to boiler flue route and existing internal pipework route

    Templewood Primary School Pentley Park Welwyn Garden City AL8 7SD

    Received 8 Oct 2019
  15. Decided - GrantedN6/2007/0318/FP

    ERECTION OF NEW CHIMNEY

    16 The Valley Green Welwyn Garden City AL8 7DQ

    Received 27 Feb 2007
  16. Decided - GrantedS6/2014/0030/AD

    Proposed installation of one non illuminated folded aluminium fascia with non illuminated boots lozenge and one non illuminated aluminium hanging sign

    Boots Opticians Ltd, 70 Town Centre, Hatfield, AL10 0JW

    Received 10 Jan 2014
  17. Decided - Granted6/2017/0189/HOUSE

    Erection of single storey rear extension

    3 Mary Proud Court Oak Piece Welwyn AL6 0XG

    Received 1 Feb 2017
  18. Decided - Granted6/2018/0468/EM

    Erection of a single storey rear extension

    12 Moorend Welwyn Garden City AL7 4QL

    Received 16 Feb 2018
  19. Decided - Granted6/2021/1329/LAWP

    Certificate of lawfulness for a loft conversion with hip to gable, rear dormer and veluxes

    37 Holloways Lane Welham Green Hatfield AL9 7NR

    Received 26 Apr 2021
  20. Decided - Withdrawn6/2020/0495/EM

    Erection of a single storey rear extension following demolition of attached outbuildings, to include raising of parapet and insertion of roof lantern to existing rear extension & a first floor side extension, partial garage conversion to include raising of front parapet over existing garage, alterations to fenestration and extension of existing driveway.

    24 Barleycroft Road Welwyn Garden City AL8 6JU

    Received 19 Feb 2020
  21. Decided6/2017/2161/TPO

    T1 Hornbeam - Crown reduce the height and spread of tree by 3 metres and T2 Oak - Remove lowest limb - Conservation Area

    3 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 25 Sept 2017
  22. Appeal Decided - Allowed6/2022/1476/HOUSE

    Erection of a double detached garage following the demolition of existing attached garage and removal of Cypress and Hawthorn hedge. Extension to driveway, new hedging and 2m high fencing

    11 Aldock Welwyn Garden City AL7 4QF

    Received 24 Jun 2022
  23. Decided - WithdrawnS6/2015/0429/FP

    Garage conversion

    2 Manor Close Hatfield AL10 9LW

    Received 3 Mar 2015
  24. Decided - RefusedW6/2006/0005/EM

    ERECTION OF TWO STOREY SIDE AND SINGLE STOREY REAR EXTENSION

    78 Pentley Park, Welwyn Garden City, AL8 7SG

    Received 4 Jan 2006

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

Start with the address or application reference. Open a record to read the proposal, dates and available documents, then check the official register for the latest plans and consultation details. If nothing appears, check coverage before treating the result as a complete planning history.

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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