PlanningTrack
Get started

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28,972 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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
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. Decided - Granted6/2022/2650/TPO

    6 Limes to re-pollard back to trunks, and Copper Beech to reduce height and reshape tree by 20% Trees covered by TPO 136

    Digswell Water Lodge Digswell Lane Welwyn AL6 0SN

    Received 21 Nov 2022
  2. Decided - RefusedN6/2014/1301/DS

    Approval of details reserved by condition 3 (Wildlife Site Protection) & 4 (Hard & Soft Landscaping) of planning permission N6/2013/1977/FP

    Danesbury Hill House Codicote Road Welwyn AL6 9NF

    Received 2 Jun 2014
  3. Decided - GrantedN6/2014/2509/FP

    Erection of a two storey side and single storey rear extension demolition of garage and creation of parking area

    55 Moors Walk, Welwyn Garden City, AL7 2AX

    Received 17 Nov 2014
  4. Decided - RefusedW6/2014/1976/EM

    Erection of ground floor rear extension

    22 Brockswood Lane, Welwyn Garden City, AL8 7BG

    Received 19 Aug 2014
  5. Decided - Granted6/2025/1934/EMT

    1 x Silver birch to fell. 1 x Apple to reduce by approximately 1.2m height and width

    23 Brockswood Lane Welwyn Garden City AL8 7BE

    Received 9 Sept 2025
  6. Decided - Granted6/2022/0963/ADV

    Installation of 1 no. internally illuminated fascia sign and 1 no. internally illuminated projecting/hanging sign

    8 High View Hatfield Hertfordshire AL10 8HZ

    Received 22 Apr 2022
  7. Decided - Granted6/2016/1797/HOUSE

    Conversion of garage to office with alterations to openings and installation of 1 window

    6 Bluebell Way Hatfield AL10 9FJ

    Received 1 Sept 2016
  8. Decided - Granted6/2017/2567/LAWP

    Certificate of lawfulness for the conversion of garage into a habitable room

    2A Holme Road Hatfield AL10 9LF

    Received 7 Nov 2017
  9. Decided - Refused6/2019/0629/HOUSE

    Erection of boundary fence, hedge, brick piers and gates following the removal of existing fence and entrance gates

    The Warren 8 Carbone Hill Northaw Potters Bar EN6 4PL

    Received 15 Mar 2019
  10. Decided - Granted6/2026/0313/EMT

    Removal of 6 conifers

    29 Beehive Lane Welwyn Garden City AL7 4BJ

    Received 19 Feb 2026
  11. Decided - Granted6/2017/0129/EM

    Removal of maple tree located in rear garden

    25 Middlefield Welwyn Garden City AL7 4DQ

    Received 24 Jan 2017
  12. Decided - Refused6/2024/0681/HOUSE

    Increase in ridge height, alteration from hipped roof to pitched roof and the installation of window, two rooflights and a dormer to facilitate the conversion of the roof of an existing garage to home office

    38A Great North Road Welwyn AL6 0PX

    Received 10 Apr 2024
  13. Decided - Granted6/2025/1424/HOUSE

    Erection of a single storey side/rear extension with alterations to openings on side and rear elevations following the demolition of timber garage

    66 Heronswood Road Welwyn Garden City AL7 3ES

    Received 4 Jul 2025
  14. Decided - Refused6/2019/1926/FULL

    Change of use of amenity land to residential land in association with the enlargement of the front driveway

    34 Coneydale Welwyn Garden City AL8 7RZ

    Received 6 Aug 2019
  15. Decided - Refused6/2021/2513/HOUSE

    Retention of conversion of garage into habitable space and proposed alterations to hardstanding to facilitate the creation of 1x car parking space.

    8 Thistle Drive Hatfield AL10 9FQ

    Received 27 Aug 2021
  16. Decided - GrantedN6/2010/0280/TC

    DISMANTLE MULTI STEMMED LAWSON CONIFER ON RIGHT BOUNDARY TO GROUND LEVEL AND DISMANTLE TWO LAWSON CONIFERS SITUATED ADJACANT TO RIGHT HAND CORNER OF GARDEN TO GROUND LEVEL

    8 ASHLEY CLOSE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7LH

    Received 10 Feb 2010
  17. Decided - Split6/2018/3084/COND

    Submission of details pursuant to condition 3 (area for parking, storage and delivery of materials associated with construction), 4 (tree protection plan and arboricultural method statement), 5 (hard and soft landscaping) and 7 (samples of materials for construction of external surfaces) on planning permission 6/2016/0291/FULL

    17 Kingsmead Cuffley Potters Bar EN6 4AN

    Received 4 Dec 2018
  18. Decided - GrantedW6/2014/0869/EM

    Replace existing fascia, soffit and barge boards with UPVC. New UPVC gutters and downpipes. Alterations to windows and doors

    156 Blythway, Welwyn Garden City, AL7 1DU

    Received 14 Apr 2014
  19. Decided - Granted6/2017/0902/COND

    Approval of details reserved by condition 2 (Soft Landscaping details) on planning permission 6/2016/1953/FULL

    Warrenwood Manor Hornbeam Lane Brookmans Park Hatfield AL9 6JF

    Received 2 May 2017
  20. Decided - Granted6/2016/0934/HOUSE

    Erection of a single storey, part two storey rear extension following demolition of existing rear conservatory

    6 Norman Road Welwyn AL6 9JP

    Received 13 May 2016
  21. Decided - GrantedS6/2004/1213/FP

    ERECTION OF CAR SHOWROOM WITH ASSOCIATED WORKSHOP FACILITIES, VEHICLE STORAGE AREA, WASH BAYS, PARKING AND LANDSCAPING

    LAND AT HATFIELD AVENUE, HATFIELD, HERTFORDSHIRE

    Received 6 Aug 2004
  22. Decided - Granted6/2019/3002/EM

    Installation of sky dish

    3 Howlands Welwyn Garden City AL7 4RB

    Received 28 Nov 2019
  23. Decided - Granted6/2020/0494/EM

    Erection of a shed and removal of a greenhouse

    30 High Oaks Road Welwyn Garden City AL8 7BH

    Received 18 Feb 2020
  24. Under Consideration6/2024/1560/COND

    Submission of details pursuant to condition number 1 (Written Scheme of Investigation) and 2 (Additional Repairs) on planning permission 6/2024/1045/LB

    1 Woodhill House Kentish Lane Hatfield AL9 6JY

    Received 15 Aug 2024

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

View all applications

Applications by postcode area

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.

    UK research
    Published Updated

  • 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.

    UK research
    Published Updated

  • 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.

    UK research
    Published Updated

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

More planning authorities in England

Browse all authorities