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
34,648Searchable applications
313Recorded as pending
87%Approval rate · 28,864 approved or refused records
3,835Refused applications

25,029 approved · 3,835 refused · 1,804 withdrawn. Received dates in our records: 29 Apr 1948 to 14 Oct 2026. Most recent record check: 22 Oct 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedS6/2014/0439/FP

    Erection of two storey side extension

    40 Stockbreach Road, Hatfield, AL10 0BD

    Received 28 Feb 2014
  2. Decided - Granted6/2023/1756/TPO

    T1 - Poplar - Located in rear garden - Re-pollard to previous or suitable points removing up to 3m T2 - Poplar - Located in rear garden - Re-pollard to previous or suitable points removing up to 3m T3 - Poplar - Located in rear garden - Re-pollard to previous or suitable points removing up to 3m T4-T5 - Poplar - Located in rear garden - Re-pollard to previous or suitable points removing up to 3m T6 - Poplar - Located in rear garden - Re-pollard to previous or suitable points removing up to 3m Reason - For general maintenance purposes TPO 750 (2018) G1

    36-50 Cypress Avenue Welwyn Garden City AL7 1HN

    Received 21 Aug 2023
  3. Decided6/2020/2206/TC

    Fell 3 conifers and 1 pine

    4 Pentley Park Welwyn Garden City AL8 7RU

    Received 27 Aug 2020
  4. Decided - Granted6/2020/3304/EMT

    1 x Oak to reduce lateral growth towards No.17 by 3m extending full height of the tree 1 x Oak to reduce lateral growth towards No.16 by 3m extending full height of the tree 1 x Hornbeam opposite No. 17 to reduce by 3m in height and 2m width. 1 x Hornbeam by garage of 16 to reduce lateral growth by 2.5m. Reduce over extending limb to right hand side by 3.5m. Reduce over extended limb to left by 3m. 1 x Hornbeam opposite No.15 to reduce lateral growth by 2.5m 1 x Oak to reduce lateral growth towards No.14. Reduce lowest large limb by around 4m. Reduce remaining by 3m extending full height of the tree. Remove major deadwood from throughout crown 1 x Hornbeam on corner of road to reduce by 2.5m in height and width. To clear parking bay. Check ratchet strap supporting limb for security. 1 x Hornbeam on entrance road to remove major deadwood from throughout crown. 1 x Oak on front corner of entrance to clear phone wire by 1m where possible, prune back limbs over parking area by 2m. Remove major deadwood from throughout crown.

    19 Scholars Mews Welwyn Garden City AL8 7JQ

    Received 8 Dec 2020
  5. Decided - Granted6/2016/1312/EM

    Enlargement of hardstanding and replacement of walls

    90 Pentley Park, Welwyn Garden City, AL8 7SG

    Received 28 Jun 2016
  6. Decided - GrantedW6/2013/2436/EM

    Erection of rear conservatory

    116 The Vineyard, Welwyn Garden City, AL8 7PU

    Received 18 Nov 2013
  7. Decided - Granted6/2026/0393/HOUSE

    Erection of a two storey side extension and single storey rear extension, three dormer windows to the front and one dormer window to the rear, rooflights and alterations to fenestration

    66 Peartree Lane Welwyn Garden City AL7 3UH

    Received 3 Mar 2026
  8. Decided - GrantedS6/2014/0442/LUP

    Certificate of lawfuless for the proposed conversion of garage to habital accomodation

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

    Received 4 Mar 2014
  9. Decided - GrantedN6/2014/2732/FP

    Installation of hardstanding, lighting and boundary fence to create a commercial car park

    Welwyn North Station Harmer Green Lane Digswell Welwyn AL6 0AS

    Received 19 Dec 2014
  10. Decided - Granted6/2019/0744/HOUSE

    Enlargement of detached garage approved under extant planning permission S6/2007/0198/FP

    Woodhill The Ridgeway Cuffley Potters Bar EN6 4BE

    Received 29 Mar 2019
  11. Decided - Granted6/2023/1013/LAWP

    Certificate of lawfulness for internal partition walls and installation of cooking facilities, storage areas, seating, extraction fans and ducting

    5 The Arcade Hatfield AL10 0JY

    Received 12 May 2023
  12. Appeal Decided - DismissedS6/2009/1394/FP

    ENLARGEMENT OF EXISTING BEDROOM AT FIRST FLOOR LEVEL. REMOVE DORMER AND EXTEND HIP END OF ROOF OVER EXISTING GROUND FLOOR

    THE LODGE, 29 THE RIDGEWAY, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4BB

    Received 3 Jul 2009
  13. Decided - Granted6/2023/1864/EM

    Replace double glazed uPVC windows at rear of the house with double glazed uPVC patio doors

    58 Lemsford Lane Welwyn Garden City AL8 6YJ

    Received 7 Sept 2023
  14. Decided - Granted6/2018/0975/MAJ

    Erection of stable block and retention and alterations to existing access road for the use of land for keeping horses for personal leisure use

    The Bellbrook, Bulls Lane, Hatfield, AL9 7AZ

    Received 13 Apr 2018
  15. Decided - Granted6/2020/0815/LB

    Installation of first floor partition walls.

    22 Church Street Welwyn AL6 9LX

    Received 1 Apr 2020
  16. Decided - GrantedN6/2015/0158/FP

    Proposed siting of a prefabricated locker room and covered walkway

    East of England Ambulance Services, Ascots Lane, Welwyn Garden City, AL7 4HL

    Received 28 Jan 2015
  17. Decided - Granted6/2022/2195/FULL

    Use of units 3 and 4 of the industrial / commercial buildings as Class B2, E(g)(iii) and B8 uses

    A1 Connect Industrial Estate Cole Green Lane Welwyn Garden City AL7 4FW

    Received 22 Sept 2022
  18. Decided - Refused6/2020/2570/ADV

    Erection of illuminated fascia sign board and an illuminated double sided projecting sign.

    32 Fretherne Road Welwyn Garden City AL8 6NU

    Received 5 Oct 2020
  19. Decided - Withdrawn6/2018/0888/MAJ

    Erection of an additional storey to provide 10 units (3 x 1-bed and 7 x 2-bed) with associated car parking and cycle store

    Inspira House Martinfield Welwyn Garden City AL7 1GW

    Received 5 Apr 2018
  20. Appeal Decided - Split6/2020/2204/HOUSE

    Erection of single storey front and two storey rear extension

    52 Maryland Hatfield AL10 8DX

    Received 27 Aug 2020
  21. Decided - Granted6/2017/1224/COND

    Submission of details pursuant to conditions 1 (Materials) and 3 (Roof Details) on listed building consent 6/2016/2404/LB and condition 1 (Materials) on planning permission 6/2016/2403/HOUSE dated 24.04.2017

    Nast Hyde Barns Wilkins Green Lane Hatfield AL10 9RF

    Received 5 Jun 2017
  22. Decided6/2025/1547/TC

    Dead and Dangerous - 1 x Hawthorn to remove in sections to ground level. Crown has split apart, the remaining section of tree is decayed and being held together by rope

    10 Walden Road Welwyn Garden City AL8 7PF

    Received 17 Jul 2025
  23. Decided - Granted6/2019/1886/TPO

    1x Cedar, Clear lower branches to allow 3m clearance from dwellings. 1x Lime, Remove epicormic growth on the stem up to 8m in height.

    The Red Lion 11 Digswell Hill Welwyn AL6 9AJ

    Received 1 Aug 2019
  24. Decided - Granted6/2020/0591/TPO

    Reduce 1x Chestnut Tree back to previous reduction points (30%) and crown lift to 6m [TPO 680[2017]

    8 Robbery Bottom Lane Welwyn AL6 0UW

    Received 2 Mar 2020

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

View all applications

Get emailed about new planning applications in Welwyn Hatfield

Area alerts send a daily or weekly email with new applications and decisions near a postcode, filtered by project type. £29 a month, up to 3 areas. Records are limited to the councils we collect.

Set up an area alert

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

All planning guides
  • Understanding planning · 13 min read

    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