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
322Recorded as pending
86%Approval rate · 33,788 approved or refused records
4,816Refused applications

28,972 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2020/1656/HOUSE

    Erection of single storey rear extension

    121 Moffats Lane Hatfield AL9 7RP

    Received 9 Jul 2020
  2. Decided - Granted6/2025/2452/LAWP

    Certificate of lawfulness for installation of dormer window to the rear to facilitate a loft conversion with insertion of rooflights to existing front facing roof following the removal of first floor bedroom chimney breast

    36 Thornton Road Little Heath Potters Bar EN6 1JH

    Received 24 Nov 2025
  3. Decided - GrantedW6/2013/1954/TE

    Removal of one silver birch, crown reduction of 2 silver birches up to 3m and removal of Indian Bean tree

    314 Knightsfield, Welwyn Garden City, AL8 7NQ

    Received 27 Aug 2013
  4. Decided6/2023/0952/TC

    Oak tree - reduce size by 50% and prune back overhanging branches as the tree is extremely overgrown

    79 Mill Green Road Welwyn Garden City AL7 3UX

    Received 4 May 2023
  5. Decided - GrantedN6/2004/0956/TP

    WORK TO OAK TREE COVERED BY TPO 24 AREA 3

    19 Marlborough Close Welwyn AL6 0UG

    Received 13 May 2004
  6. Decided - Granted6/2015/1839/PN8

    Prior approval for the erection of single storey rear extension measuring 5.5m deep, 3.4m high and with 3.17m high eaves

    Green Brow, Waterend Lane, Ayot St Peter, Welwyn, AL6 9BB

    Received 28 Aug 2015
  7. Decided - Granted6/2020/0460/EM

    Fell 1 x Pine tree Fell 1 x Ash tree Fell 1 x Oak tree

    5 Salisbury Road Welwyn Garden City AL7 3RR

    Received 17 Feb 2020
  8. Decided - Withdrawn6/2016/1542/HOUSE

    Enlargement of existing driveway

    8 Roundwood Drive, Welwyn Garden City, AL8 7JZ

    Received 28 Jul 2016
  9. Decided6/2025/2530/TC

    1 x Box tree to remove in sections to ground level. This tree has a large crack in the stem and will need to be carried out under a 5 day notice

    6 Dognell Green Welwyn Garden City AL8 7BL

    Received 8 Dec 2025
  10. Decided - Granted6/2021/2555/COND

    Submission of details pursuant to condition 3 (landscaping) on planning permission 6/2021/1885/HOUSE

    33 Church Lane Northaw Potters Bar EN6 4NX

    Received 1 Sept 2021
  11. Decided - Granted6/2019/0305/HOUSE

    Erection of a single storey rear extension with raised patio

    26 The Gardens Brookmans Park Hatfield AL9 7UL

    Received 11 Feb 2019
  12. Decided - GrantedN6/2009/1145/DS

    DISCHARGE OF CONDITION 3 (MATERIALS) OF PLANNING PERMISSION N6/2008/589/FP

    110 Sloansway, Welwyn Garden City, AL7 1ND

    Received 12 Jun 2009
  13. Decided - GrantedN6/2008/2288/FP

    FORMATION OF HARDSTANDING AND SOFT LANDSCAPING

    4 PLOUGHMANS END, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 2JG

    Received 24 Nov 2008
  14. Decided - Granted6/2019/0851/HOUSE

    Erection of a single storey rear extension

    29 Cypress Avenue Welwyn Garden City AL7 1HN

    Received 9 Apr 2019
  15. Decided - Granted6/2020/0183/LAWP

    Certificate of lawfulness for the installation of 1 x dormer with Juliet balcony and 3 x roof-lights

    2 Waterworks Cottages Northaw Road East Cuffley Potters Bar EN6 4RB

    Received 24 Jan 2020
  16. Decided - GrantedS6/2007/0805/FP

    ERECTION OF REAR SUMMER HOUSE.

    90 Pine Grove Brookmans Park Hatfield AL9 7BW

    Received 25 May 2007
  17. Decided - GrantedW6/2004/1460/EM

    FORMATION OF ADDITIONAL HARDSTANDING, AND REPLACEMENT BOUNDARY HEDGE AND DWARF BOUNDARY WALL

    4 Blackthorn Road, Welwyn Garden City, AL7 3JS

    Received 4 Oct 2004
  18. Decided6/2019/0083/TPO

    Reduce Crown 1x T2 Silver Birch 1.5m and crown clean Reduce Crown 1x T3 Plum by up to 2 metres Reduce Crown 1x T4 Silver Birch 2.5m- Covered by conservation area

    31 Digswell Road Welwyn Garden City AL8 7PB

    Received 16 Jan 2019
  19. Decided - GrantedS6/2013/0108/LUP

    Certificate of lawfulness for proposed removal of existing pitched roof above single storey rear extension to create flat roof and retention of side dormer windows

    69 Brookside Crescent, Cuffley, POTTERS BAR, EN6 4QP

    Received 22 Jan 2013
  20. Decided - Granted6/2021/1118/EMT

    Reduce 1 x Oak tree by 30%

    41 Bridge Road Welwyn Garden City AL8 6UG

    Received 6 Apr 2021
  21. Decided - RefusedN6/2004/0754/OP

    ERECTION OF DETACHED BUNGALOW IN REAR OF GARDEN.

    7A Hall Grove Welwyn Garden City AL7 4PJ

    Received 21 May 2004
  22. Decided - RefusedW6/2014/0631/EM

    Erection of single storey and two storey side and rear extensions

    19 Digswell Park Road, Welwyn Garden City, AL8 7NW

    Received 28 Mar 2014
  23. Decided6/2022/2147/TC

    Tree A & Tree B - Fell flowering Cherry trees situated towards the northern corner of the rear garden, to clear the area of neglected shrubs between them and the northeast side of the property and plant a wild flower area. Tree B is situated approximately 1 metre from the boundary with 50 Woodside Rise. Both trees are in poor condition and considered that they are of limited public amenity value.

    5 Ashley Closev Welwyn Garden City Hertfordshire AL8 7LH

    Received 15 Sept 2022
  24. Decided - Granted6/2017/0055/HOUSE

    Erection of single storey rear extension with installation of rooflight and alterations to existing rear openings

    Fernhurst 77B Tolmers Road Cuffley Potters Bar EN6 4JJ

    Received 12 Jan 2017

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

    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