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28,970 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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

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 - Refused6/2022/2888/HOUSE

    Erection of two storey front extensions, infill front porch extension, single storey side and rear extension, two rear dormers, three front windows and alterations to fenestration.

    The Wilderness Vineyards Road Northaw Potters Bar Hertfordshire EN6 4PE

    Received 21 Dec 2022
  2. Decided - RefusedN6/2013/0714/TP

    Fell 8 Sycamores and 1 Chestnut covered by TPO 266 G3

    Deep Dell 2 Harmer Dell Welwyn AL6 0BE

    Received 8 Apr 2013
  3. Decided6/2021/0297/TC

    Reduce 1 x Catalpa tree (T1) by 20%, fell 2 Sycamore trees (T2, T7), remove limb from 3 x Holly trees (T3, T5, T6)), remove thin limb from base of 1 Holly tree (T4), reduce 1 x Back Cherry tree (T8) by 20% covered by a conservation area

    Ayot Cottage Hill Farm Lane Welwyn AL6 9BT

    Received 1 Feb 2021
  4. Decided - GrantedN6/2008/1707/FP

    ERECTION OF TWO STOREY REAR EXTENSION

    8A SALISBURY ROAD, WELWYN GARDEN CITY, HERTS, AL7 3SD

    Received 4 Sept 2008
  5. Decided - GrantedN6/2009/2045/TC

    REMOVAL OF CHERRY TREE IN REAR GARDEN AND REPLACE WITH BETULA PENDULA YOUNGII AND REDUCE HEDGEROW CONSISTING OF SYCAMORE AND BIRCH BY 30%

    33 ELM GARDENS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6RX

    Received 25 Sept 2009
  6. Decided - Granted6/2016/2141/MAJ

    Retention of 2 single storey stable buildings (184 square metres) for a period of 18 months

    Land at Ponsbourne Park Newgate Street Hertford SG13 8QS

    Received 14 Oct 2016
  7. Decided6/2025/1006/TC

    1 Ash to remove in section to near ground level Tree has a large lean with poor form. There is significant overhang into neighbouring gardens

    8 The Limes Welwyn Garden City AL7 4BD

    Received 29 May 2025
  8. Decided - GrantedN6/2007/0293/FP

    CHANGE OF USE FROM TYRE AND EXHAUST CENTRE TO B8 USE (SELF STORAGE)

    13-15 BROADWATER ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7

    Received 22 Feb 2007
  9. Decided - Split6/2025/1363/COND

    Submission of details pursuant to condition number 12 (Lighting Strategy for biodiversity), on planning permission 6/2021/0516/VAR

    Land North East of Welwyn Garden City Panshanger Welwyn Garden City AL7 2QJ

    Received 30 Jun 2025
  10. Decided - WithdrawnN6/2014/0305/LUP

    Certificate of lawfullness for the change of garage roof from flat to pitched roof

    18 Turpins Chase Welwyn AL6 0RA

    Received 19 Feb 2014
  11. Decided - Granted6/2017/0023/LAWP

    Certificate of lawfulness for the erection of 3 metre single storey rear extension

    14 Magpie Walk Hatfield AL10 8RF

    Received 5 Jan 2017
  12. Decided6/2021/0695/TC

    Reduce Cypress hedge by 8ft and trim back and sides. Remove low long limb of 1x Sycamore and fell 1x Plum to ground level

    41 Digswell Rise Welwyn Garden City AL8 7PP

    Received 3 Mar 2021
  13. Decided - GrantedN6/2014/0521/LUP

    Certificate of lawfulness for the proposed erection of single storey rear extension

    11A Birch Grove Welwyn AL6 0QP

    Received 12 Mar 2014
  14. Decided - Granted6/2015/1766/EM

    Installation of frosted glass window

    40 Great Ganett, Welwyn Garden City, AL7 3DE

    Received 19 Aug 2015
  15. Decided - Granted6/2021/1601/HOUSE

    Removal of conservatory and chimney. Erection of a single storey side extension, changes to rear fenestration and the re-roofing of existing single storey side extension and new flue.

    13 Bracken Lane Welwyn AL6 0RB

    Received 19 May 2021
  16. Decided - Granted6/2021/2233/LAWP

    Certificate of lawfulness for conversion of roofspace to habitable use to include a rear dormer and 2 x front rooflights

    48 Cecil Crescent Hatfield AL10 0HG

    Received 26 Jul 2021
  17. Decided - Granted6/2017/1283/EM

    T1 Ash tree to fell, T2 Ash tree to reduce by 1.5m on height and width, T3 Plum tree to fell and T4 Ash tree to fell

    120 Handside Lane Welwyn Garden City AL8 6SZ

    Received 13 Jun 2017
  18. Decided - WithdrawnN6/2007/0416/FP

    ERECTION OF TWO STOREY REAR EXTENSION

    11 Hunsdon Welwyn Garden City AL7 2PN

    Received 14 Mar 2007
  19. Decided - GrantedS6/2006/0540/AD

    ERECTION OF VARIOUS NON-ILLUMINATED FASCIA AND DIRECTIONAL SIGNAGE AND POLE-MOUNTED FLAG SIGN

    Travellers Lane

    Received 26 Apr 2006
  20. Decided - Granted6/2025/0596/EM

    Replacement front door and replacement ground floor windows

    56 Parkway Welwyn Garden City AL8 6HH

    Received 28 Mar 2025
  21. Decided - Granted6/2024/0211/TPO

    2 x Ash trees at the front and 1 x Oak tree, crown reduce by 2-3m, remove major deadwood and epicormic stem growth

    61 Peplins Way Brookmans Park AL9 7UR

    Received 2 Feb 2024
  22. Decided - Granted6/2020/2786/PN8

    Prior Approval for single storey rear extension.

    86 Thistle Grove Welwyn Garden City AL7 4AQ

    Received 22 Oct 2020
  23. Decided - Granted6/2020/0095/HOUSE

    Installation of heat pump/air conditioning unit with external fan unit

    8 Reeves Court Welwyn AL6 9FU

    Received 15 Jan 2020
  24. Decided - Granted6/2021/0267/HOUSE

    Erection of rear extension, replacement porch and alterations to fenestration.

    3 Rosedale Welwyn Garden City AL7 1DW

    Received 28 Jan 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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How to search planning applications

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

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

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.

Check collection coverage