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
40,247Searchable applications
321Recorded as pending
86%Approval rate · 33,743 approved or refused records
4,812Refused applications

28,931 approved · 4,812 refused · 2,213 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 6 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2021/2545/EM

    Erection of a vehicle crossing and hard standing

    43 Bushey Ley Welwyn Garden City AL7 3HB

    Received 31 Aug 2021
  2. Decided - Refused6/2022/2686/HOUSE

    Erection of two storey side and rear extension and single storey front and rear extension and installation of rear dormer to facilitate conversion of loft to habitable space

    121 Crawford Road Hatfield AL10 0PF

    Received 25 Nov 2022
  3. Decided - Granted6/2021/0646/HOUSE

    Erection of a part single and part two storey rear extension, erection of garden room, replacement of car port, replacement of all windows and doors and removal of Fir tree and planting of replacement Rowan tree.

    4 Handside Green Welwyn Garden City AL8 6SQ

    Received 1 Mar 2021
  4. Decided - Granted6/2019/2672/HOUSE

    Erection of single storey rear extension following demolition of conservatory with installation of 5x roof lights and part conversion of garage to habitable space

    6 Bennett Close Welwyn Garden City AL7 4JA

    Received 23 Oct 2019
  5. Decided - Granted6/2018/1315/EM

    Prune Acer tree by up to 50%

    19 Mandeville Rise Welwyn Garden City AL8 7JT

    Received 11 May 2018
  6. Decided - GrantedN6/2008/0187/FP

    RAISING THE ROOF AND INSERTION OF DORMER TO FORM A TWO STOREY CHALET BUNGALOW AND ERECTION OF FRONT PORCH

    10 Pine Crest Welwyn AL6 0EQ

    Received 30 Jan 2008
  7. Decided - Granted6/2022/0114/HOUSE

    Erection of a single storey front extension

    26 Canonsfield Road Welwyn AL6 0QH

    Received 18 Jan 2022
  8. Decided - Granted6/2023/1800/EM

    Installation of two velux windows in rear of roof

    95 Mill Green Road Welwyn Garden City AL7 3XA

    Received 29 Aug 2023
  9. Decided - Granted6/2019/0023/HOUSE

    Erection of a single storey rear extension

    5 Hill Ley Hatfield AL10 8LX

    Received 4 Jan 2019
  10. Decided - Granted6/2015/2550/FULL

    Installation of a waterless toilet

    Allotments adjacent to: Broadwater Crescent, Welwyn Garden City, AL7 3AB

    Received 18 Dec 2015
  11. Decided - GrantedS6/2014/1421/FP

    Erection of two storey side and single storey rear extension

    83 Peplins Way, Brookmans Park, Hatfield, AL9 7UT

    Received 24 Jun 2014
  12. Decided - GrantedS6/2008/1788/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION AND EXTENSION OF EXISTING ROOF TO CREATE SKYLIGHTS, FOLLOWING DEMOLITION OF EXISTING CHIMNEY AND THE BUILDING OF A NEW CHIMNEY

    12 Falcon Close Hatfield AL10 8QY

    Received 19 Sept 2008
  13. Decided - GrantedC6/1988/0520/FP

    Two storey side and single storey rear extensions including new garage

    1 Attimore Road, Welwyn Garden City, AL8 6LH

    Received 1 Jan 1988
  14. Decided - Refused6/2021/2836/EM

    Erection of a single storey rear extension

    3A Hall Grove Welwyn Garden City AL7 4PJ

    Received 1 Oct 2021
  15. Decided - Granted6/2017/2765/HOUSE

    Erection of single storey garage, alterations to vehicular access by installation of new crossover from Georges Wood Road following closing of existing crossover from Pine Grove

    14 Georges Wood Road Brookmans Park Hatfield AL9 7BT

    Received 27 Nov 2017
  16. Decided - Granted6/2017/0995/MAJ

    Erection of a ball stop fence (4m in height) and erection of canopy over external dining area

    Bishops Hatfield Girls School Woods Avenue Hatfield AL10 8NL

    Received 9 May 2017
  17. Decided - Refused6/2021/0756/PN15

    Erection of 25m High Valmont Slimline climbable Monopole on 5.8 x 5.8 x 1.4m deep concrete base with 6 x Antenna Apertures at 40°/150°/300° & 4 x 600ø Dishes.

    Commons Wood Caravan Club Site Ascots Lane Welwyn Garden City AL7 4HJ

    Received 9 Mar 2021
  18. Decided - Granted6/2020/0679/EM

    Erection of a single storey rear extension

    6 Beechfield Road Welwyn Garden City AL7 3RF

    Received 10 Mar 2020
  19. Decided6/2024/1746/TC

    Lime Tree - fell due to kretzschmaria deusta. Will also allow more light through to surrounding areas and help many of the Rodos

    Manor House Ellesfield Welwyn AL6 9HB

    Received 10 Sept 2024
  20. Decided - Refused6/2021/0458/LAWP

    Certificate of lawfulness for the part conversion of garage to habitable accommodation, chimney stack removal and alterations to windows/doors

    35 Elmwood Welwyn Garden City AL8 6LD

    Received 12 Feb 2021
  21. Decided - Granted6/2019/1683/HOUSE

    Construction of swimming pool extension

    Ayot Montfitchet Ayot St Peter AL6 9BH

    Received 3 Jul 2019
  22. Decided - Granted6/2022/1409/COND

    Submission of details pursuant to Condition 10 (Construction Traffic Management Plan) on planning permission 6/2017/1641/MAJ

    Onslow St Audreys School Old Rectory Drive Hatfield AL10 8AB

    Received 20 Jun 2022
  23. Decided - GrantedS6/2008/1264/FP

    ERECTION OF PART TWO STOREY, PART SINGLE STOREY REAR EXTENSION

    THE WHEATSHEAF, WEST END LANE, ESSENDON, HATFIELD, HERTFORDSHIRE, AL9 6AU

    Received 24 Jul 2008
  24. Decided - GrantedN6/2014/2133/TP

    Crown lift to 3 metres and cut back to clear building by 2m Walnut tree (T1) of tertiary growth limiting to 50mm cuts covered by TPO 332

    Attimore Hall, Ridgeway, Welwyn Garden City, AL7 2AD

    Received 29 Sept 2014

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