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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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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. DecidedN6/2013/2579/NM

    Non material amendment following approval of planning permission N6/2012/0282/DE - Minor revisions to approved housetypes, soft and hard landscaping

    Sir Frederic Osborn School, Herns Lane, Welwyn Garden City, AL7 2AF

    Received 13 Dec 2013
  2. Decided - Refused6/2018/3229/LAWP

    Certificate of lawfulness for the erection of a single storey outbuilding

    18 Oakington Welwyn Garden City AL7 2PS

    Received 19 Dec 2018
  3. Decided - GrantedS6/2009/0930/FP

    ERECTION OF FRONT AND SIDE GARDEN WALLS AND GATES

    16 BROOKMANS AVENUE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7QJ

    Received 15 May 2009
  4. Decided - Granted6/2026/0403/HOUSE

    Installation of a rooflight on the side roof slope and external lighting on the front and rear elevations of the dwelling. Alterations to fenestration and extension to the existing driveway.

    114 Parkway Welwyn Garden City AL8 6HN

    Received 4 Mar 2026
  5. Decided - Granted6/2017/0412/TPO

    Reduce Purple Plum tree located in rear garden by 8ft

    25 Elmwood Welwyn Garden City AL8 6LD

    Received 28 Feb 2017
  6. Decided - Granted6/2017/0898/HOUSE

    Erection of pitched roof to rear garage

    21 Chestnut Walk Welwyn AL6 0SD

    Received 2 May 2017
  7. Decided - Granted6/2026/0809/LAWP

    Certificate of lawfulness for the use of the land for siting a mobile home for use ancillary to the main dwelling

    Ponsbourne Manor Hunters Lodge 7 The Ridings Newgate Street Village Hertford SG13 8QX

    Received 8 May 2026
  8. Decided - Granted6/2016/2512/HOUSE

    Erection of rear conservatory

    39 Tansycroft Welwyn Garden City AL7 2DU

    Received 25 Nov 2016
  9. Decided - Granted6/2018/0598/MAJ

    Replace the existing buildings and approved stables with a new indoor riding school and 7 new dwellings

    Ponsbourne Riding School and Ponsbourne Grange, Newgate Street Hertford SG13 8QS

    Received 2 Mar 2018
  10. Decided - Granted6/2022/0751/HOUSE

    Demolition of existing porch and erection of new front porch/veranda, new roof over bay window and hardstanding

    80 Digswell Park Road Welwyn Garden City Hertfordshire AL8 7NS

    Received 29 Mar 2022
  11. Decided - Granted6/2017/0252/PN8

    Prior approval for the erection of a single storey rear extension measuring 4.5 metres in depth, 3 metres in height and 2.9 metres to the eaves.

    4 Honeysuckle Gardens Hatfield AL10 8PJ

    Received 10 Feb 2017
  12. Decided - GrantedS6/2013/0709/FP

    Erection of single storey side and rear extension

    58 Deerswood Avenue Hatfield AL10 8SA

    Received 5 Apr 2013
  13. Decided - GrantedN6/2008/0845/DS

    DISCHARGE/COMPLIANCE OF CONDITION 2 FROM APPLICATION N6/2006/1524/FP

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

    Received 10 Jun 2008
  14. Decided - Granted6/2017/0608/TPO

    Oak tree T1, T2 & T3, horse chestnut trees T4 & T5 crown reduce by 25% and fell hawthorn tree T6 covered by TPO 148 (1990).

    13 The Ridgeway Cuffley Potters Bar EN6 4AY

    Received 27 Mar 2017
  15. Decided - Granted6/2019/1689/HOUSE

    Erection of garage

    2A Whitehill Ayot St Peter Welwyn AL6 9AF

    Received 3 Jul 2019
  16. Decided - Refused6/2019/2462/HOUSE

    Erection of a front porch and single storey, part two storey rear extension following demolition of porch

    2 Hill Ley Hatfield

    Received 2 Oct 2019
  17. Decided - Granted6/2019/2941/HOUSE

    Erection of part single, part two storey rear extension, rendering of external walls and alterations to openings (part retrospective)

    22 Selwyn Drive, Hatfield, AL10 9NJ

    Received 20 Nov 2019
  18. Decided - RefusedW6/2004/0940/EM

    ERECTION OF A PART SINGLE STOREY, PART TWO STOREY REAR EXTENSION

    11 Cowper Road, Welwyn Garden City, AL7 3LT

    Received 22 Jun 2004
  19. Decided - GrantedS6/2004/1139/FP

    ERECTION OF NEW STABLES AND ANCILLARY BUILDINGS

    LOWER FARM, BELL LANE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7AY

    Received 26 Jul 2004
  20. Decided - GrantedS6/2013/1598/LUE

    Certificate of lawfulness for the retention of conservatory

    8 Gorse Close Hatfield AL10 9DW

    Received 22 Jul 2013
  21. Decided - Granted6/2020/3168/HOUSE

    Erection of a single storey side extension and construction of garden room/office

    6 Birchwood Close Hatfield AL10 0PP

    Received 25 Nov 2020
  22. Decided - Granted6/2017/0233/TPO

    T1: Birch reduce and shape by 15 - 20% or back to old cuts T2: Beech reduce and shape by 15 - 20% or back to old cuts T3: Oak reduce and shape by 15 - 20% or back to old cuts T4: Beech fell and grind out stump. Small tree and over shading garden about 3m in height covered by TPO 599 (2016)

    8 Mardley Dell Welwyn AL6 0UR

    Received 8 Feb 2017
  23. Decided - GrantedN6/2015/0363/FP

    Erection of rear conservatory

    30 Prospect Place Welwyn AL6 9EN

    Received 24 Feb 2015
  24. Decided - Granted6/2025/1839/HOUSE

    Single storey ground floor extension following demolition of existing store/shed

    2 Northaw Place The Lodge Coopers Lane Northaw Potters Bar EN6 4NQ

    Received 28 Aug 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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How to search planning applications

Guides to planning records

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    Planning application documents: what to read first

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    Planning permission drawings: how to read plans

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  • Property research · 13 min read

    Planning approval rates: how to read council statistics

    Understand planning approval rates with an interactive calculator, worked examples and comparison table. Check sample sizes, outcomes and coverage before comparing.

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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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