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28,934 approved · 4,812 refused · 2,213 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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

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 - WithdrawnC6/1988/1210/FP

    Single and two storey rear extension, single storey extension to form garage

    50 Brocket Road, Welwyn Garden City, AL8 7TU

    Received 1 Jan 1988
  2. Decided - Granted6/2025/1761/HOUSE

    Erection of a single storey rear extension and relocation of the ground floor side elevation door on the side elevation of the existing dwelling.

    3 West View Hatfield AL10 0PH

    Received 19 Aug 2025
  3. Decided - Refused6/2023/1136/PN14

    Demolition of the existing structures for site to be put to a different employment-related use in the future, subject to a future planning application.

    160 Great North Road Hatfield AL9 5JW

    Received 30 May 2023
  4. Decided - Granted6/2024/0411/HOUSE

    Erection of rear single storey extension and first floor gable/roof extension with juliet balcony

    33 Hill Rise Cuffley Potters Bar EN6 4EH

    Received 4 Mar 2024
  5. Decided - GrantedS6/2014/0656/LUP

    Certificate of lawfulness for the proposed use under Class D1 as a veterinary surgery

    Aesthetics, 5 Parkhouse Court, Hatfield, AL10 9RQ

    Received 20 Mar 2014
  6. Decided - Refused6/2021/1234/EM

    Two single storey side extensions and rear porch

    2 Elmwood Welwyn Garden City AL8 6LE

    Received 15 Apr 2021
  7. Decided - Granted6/2017/1789/HOUSE

    Erection of a single storey rear extension, the installation of 2 rear rooflights to facilitate loft conversion and the demolition of a chimney.

    68 Woodhall Lane Welwyn Garden City AL7 3TF

    Received 14 Aug 2017
  8. Decided - RefusedN6/2013/0667/FP

    Erection of timber framed shed to rear garden

    3 Mimram Road Welwyn AL6 9HA

    Received 29 Mar 2013
  9. Decided - Granted6/2024/1890/EM

    Installation of new external wall insulation, new roof coverings and new windows, doors and ventilation works

    18 Attimore Close Welwyn Garden City AL8 6LN

    Received 1 Oct 2024
  10. Decided - Granted6/2023/2174/HOUSE

    Erection of a first floor side extension, formation of rear dormer and insertion of front rooflights

    31 Homewood Avenue Cuffley Potters Bar EN6 4QQ

    Received 25 Oct 2023
  11. Decided - Granted6/2018/0600/HOUSE

    Demolition of existing side extension and conservatory. Erection of a single storey front and rear extension and part two, part single storey side extension. Insertion and alterations to fenestration.

    15 Marlborough Close Welwyn AL6 0UG

    Received 2 Mar 2018
  12. Decided - Granted6/2015/1701/TPO

    Crown reduction 4 hornbeam, one sweet chestnut and one oak by 30%, crown reduce ash by 25%, crown reduce group of sycamore by 20% and cut back small oak to boundary covered by TPO 123 W1

    Land adjacent to 14 Birch Grove Welwyn AL6 0QP

    Received 6 Aug 2015
  13. Decided - GrantedW6/2013/2143/EM

    Erection of single storey rear extension

    88 Pentley Park, Welwyn Garden City, AL8 7SG

    Received 7 Oct 2013
  14. Decided - GrantedN6/2013/0260/AD

    Installation of 3 No. Non-illuminated fascia signs, 2 No. Non-illuminated hanging signs, 1 No. Non-illuminated ATM header sign, 1 No. Non-illuminated nameplate sign and 3 No. Reverse applied vinyls.

    Lloyds TSB Bank PLC, 49 Howardsgate, WELWYN GARDEN CITY, AL8 6BA

    Received 5 Feb 2013
  15. Decided - Granted6/2021/1263/MAJ

    Re-configuration of parking areas to facilitate improved parking provision.

    Yodel Delivery Network Hatfield Business Park Frobisher Way Hatfield AL10 9TR

    Received 22 Mar 2021
  16. Decided - Granted6/2016/0480/TPO

    Fell Silver Birch tree - Dead & Dangerous tree application

    122 Lemsford Lane, Welwyn Garden City, AL8 6YP

    Received 22 Mar 2016
  17. Decided - WithdrawnN6/2004/1492/FP

    INSTALLATION OF 5 METRE LIGHTING COLUMNS TO GARAGE FORECOURTS

    GARAGE BLOCK ADJACENT TO, 28 AND 16 BROOMHILLS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1RF

    Received 8 Oct 2004
  18. Decided - GrantedN6/2008/0210/FP

    ERECTION OF SMOKING SHELTER TO FRONT ELEVATION

    The Fox Public House 21 New Road Woolmer Green Knebworth SG3 6JX

    Received 4 Feb 2008
  19. Decided - Refused6/2018/2046/HOUSE

    Erection of front porch and single storey rear extension

    39 Marsden Green Welwyn Garden City AL8 6YD

    Received 6 Aug 2018
  20. Decided - GrantedS6/2004/1218/FP

    ERECTION OF TWO STOREY SIDE EXTENSION

    39 Calder Avenue Brookmans Park Hatfield AL9 7AH

    Received 27 Aug 2004
  21. Appeal Decided - WithdrawnN6/2007/0894/FP

    TEMPORARY CHANGE OF USE OF REAR PART OF BUILDING FROM CLASS B1 (LIGHT IND) TO CLASS D1 (PUBLIC WORSHIP AND RELIGIOUS INSTRUCTION)

    23A Broadwater Road Welwyn Garden City AL7 3BQ

    Received 13 Jun 2007
  22. Decided6/2017/1843/TPO

    Fell 1 x Cherry tree, reduce 1 x Rowan tree by up to 25% (approx 2-3m) and reduce 1 x Wild Cherry tree by up to 25% (2m off canopy) - Conservation Area

    1 Pentley Park Welwyn Garden City AL8 7RT

    Received 14 Aug 2017
  23. Decided - RefusedN6/2007/0788/FP

    FLOODLIGHTING TO EXTERNAL ELEVATIONS

    26 Stonehills Welwyn Garden City AL8 6NA

    Received 23 May 2007
  24. Decided - Granted6/2025/2058/EM

    Erection of single storey rear extension, following demolition of conservatory and raising of roof

    3 Westly Wood Welwyn Garden City AL7 1QN

    Received 25 Sept 2025

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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Guides to planning records

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    Planning application documents: what to read first

    Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.

  • Understanding planning · 13 min read

    Planning permission drawings: how to read plans

    Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.

  • Property research · 13 min read

    Planning approval rates: how to read council statistics

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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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