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
36,373Searchable applications
333Recorded as pending
86%Approval rate · 30,298 approved or refused records
4,138Refused applications

26,160 approved · 4,138 refused · 1,938 withdrawn. Received dates in our records: 29 Apr 1948 to 20 Oct 2026. Most recent record check: 24 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2018/2712/ADV

    Installation of: 1 x internally illuminated large dual pylon 1 x internally illuminated Jaguar leaper and letters 1 x internally illuminated Land Rover word work and logo 2 x internally illuminated vertical Jaguar logotype 2 x internally illuminated vertical Land Rover logotype 1 x internally illuminated retailer letters 1 x internally illuminated drive service letters 1 x non-illuminated welcome/directional sign 1 x non-illuminated freestanding directional sign 4 x non-illuminated post mounted Nova direction sign 2 x non-illuminated Jaguar/Land Rover customer promise signs

    Jaguar Land Rover, Mosquito Way, Hatfield, AL10 9AZ

    Received 23 Oct 2018
  2. Decided - Granted6/2021/0912/PN14

    Prior approval for the demolition of 1 x redundant office building (class use B1)

    29 Broadwater Road Welwyn Garden City AL7 3BQ

    Received 22 Mar 2021
  3. Decided - Refused6/2019/3178/FULL

    Change of use to sui-generis large house of multiple occupation (HMO) providing 7 bedrooms

    49 Briars Wood Hatfield AL10 8DH

    Received 18 Dec 2019
  4. Decided - RefusedW6/2008/0854/EM

    PART REMOVAL OF FRONT HEDGE

    35 BLAKEMERE ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7PQ

    Received 30 May 2008
  5. Decided - WithdrawnS6/2014/0381/FP

    Erection of outbuilding and open sided log store

    Hatfield Lodge, Ponsbourne Park, Newgate Street, Hertford, SG13 8NH

    Received 19 Feb 2014
  6. Decided - Granted6/2022/0112/EMT

    T1 Oak Tree reduction of crown by 25% compromising of deadwood removal at 2-4 inch diameter.

    6 Honeycroft Welwyn Garden City AL8 6HR

    Received 17 Jan 2022
  7. Decided - Granted6/2021/0186/HOUSE

    Erection of a single storey rear extension

    2 Robins Way Hatfield AL10 9QG

    Received 21 Jan 2021
  8. Decided - Granted6/2015/2199/HOUSE

    Erection of a single storey rear extension

    The Old Cottage Green Lanes Hatfield AL10 9BH

    Received 26 Oct 2015
  9. Decided - GrantedW6/2013/0725/EM

    Erection of single storey rear extension

    253 Knightsfield, WELWYN GARDEN CITY, AL8 7RA

    Received 2 Apr 2013
  10. Decided - GrantedN6/2014/1899/DS

    Discharge of condition 3 (materials)from N6/2014/1446/FP

    Lemsford Mill, Lemsford Village, Welwyn Garden City, AL8 7TR

    Received 19 Dec 2014
  11. Decided - Granted6/2023/2043/HOUSE

    Erection of a single storey rear and single storey lower ground floor extensions with roof lantern, front porch, hip to gable roof extensions, insertion of front pitched dormers and roof light, construction of flat roof dormer to rear and Juliet balcony, roof lights to existing rear ground floor roof and alterations to openings, external decked area at ground floor over lightwell, with glass balustrade following demolition of conservatory and front porch.

    22 Heathbrow Road Welwyn AL6 0QG

    Received 4 Oct 2023
  12. Decided - Granted6/2017/1433/LAWP

    Certificate of lawfulness for the erection of a single storey building in rear garden for use as an office

    138 Travellers Lane Hatfield AL10 8SS

    Received 26 Jun 2017
  13. Decided - Granted6/2016/0936/DC3

    Change of use of first floor from office and storage to create two residential units

    20a-22a Town Centre, Hatfield, AL10 0LD

    Received 13 May 2016
  14. Decided - Granted6/2020/0960/EM

    Installation of 1 x rear rooflight

    97 Handside Lane Welwyn Garden City AL8 6SP

    Received 28 Apr 2020
  15. Decided - Granted6/2022/1955/HOUSE

    Erection of a single storey front extension, single, part two storey rear extension and alterations to openings

    9 Maryland Hatfield AL10 8DY

    Received 22 Aug 2022
  16. Decided - Refused6/2024/0954/FULL

    Change of use from 6 resident House in Multiple Occupation (HMO) (C4) to 8 resident HMO (Sui-Generis)

    60 Wood Close Hatfield AL10 8TX

    Received 22 May 2024
  17. Decided - Granted6/2016/1459/HOUSE

    Alterations to existing garage and porch

    19 The Chase Welwyn AL6 0QT

    Received 18 Jul 2016
  18. Decided - Granted6/2018/3015/HOUSE

    Erection of a single storey rear extension

    11 Wilkins Grove Welwyn Garden City AL8 6JS

    Received 26 Nov 2018
  19. Decided - Granted6/2015/2120/HOUSE

    Erection of a conservatory to side elevation

    Garden Cottage Danesbury Park Road Welwyn AL6 9SE

    Received 12 Oct 2015
  20. Decided - Granted6/2025/2113/HOUSE

    Retention of outhouse at the end of rear garden

    174 Crawford Road Hatfield AL10 0PA

    Received 2 Oct 2025
  21. Decided - Granted6/2018/3000/EM

    Erection of single storey rear extension following demolition of existing rear extension

    39 Rosedale Welwyn Garden City AL7 1DW

    Received 23 Nov 2018
  22. Decided - Granted6/2021/1456/PN14

    Prior approval for demolition of detached 3 bedroom house and detached single garage on Cuffley School site

    School House Cuffley School Theobalds Road Cuffley Potters Bar EN6 4HN

    Received 7 May 2021
  23. Decided - GrantedW6/2009/1118/EM

    FORMATION OF VEHICLE HARDSTANDING AND LANDSCAPING

    350 HOWLANDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4HD

    Received 2 Jun 2009
  24. Decided - GrantedW6/2010/1104/EM

    Landscaping to front garden incorporating new hardstanding and lawn area

    4 Homerfield Welwyn Garden City AL8 6QZ

    Received 26 May 2010

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

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