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
283Recorded as pending
86%Approval rate · 33,821 approved or refused records
4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 8 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2023/0303/HOUSE

    Erection of single storey front, side and rear extension

    7 Skimpans Close Welham Green Hatfield Hertfordshire AL9 7PA

    Received 7 Feb 2023
  2. Decided - RefusedN6/2015/0493/NM

    Non matreial amendment following approval of planning permission N62013/1311/FP - Change of external openings

    Les Travees Digswell Lane Welwyn AL6 0SN

    Received 10 Mar 2015
  3. Decided - GrantedS6/2013/1965/TP

    Crown reduce T2 oak by 3m and T3 by 2.5m, covered by TPO7

    11 Woodlands, Brookmans Park, Hatfield, AL9 7AN

    Received 11 Sept 2013
  4. Decided - Granted6/2017/2535/EM

    Remove deadwood and reduce low limb by 1 meter on 1 x Cherry tree and reduce back of 1 x sycamore from neighbour property by 1.5m

    2 Coneydale Welwyn Garden City AL8 7RY

    Received 1 Nov 2017
  5. Decided - Granted6/2020/0524/HOUSE

    Erection of single storey side extension and link corridor to replace existing outbuilding

    9 Handside Close Welwyn Garden City AL8 6SR

    Received 24 Feb 2020
  6. Decided - RefusedN6/2008/1711/FP

    ERECTION OF NEW DWELLING, FOLLOWING DEMOLITION OF EXISTING AND ERECTION OF BUND AND ACOUSTIC FENCE

    18 The Avenue Welwyn AL6 0PP

    Received 3 Sept 2008
  7. Decided - Granted6/2021/0749/EMH

    Formation of new driveway

    1 Wren Wood Welwyn Garden City AL7 1QF

    Received 8 Mar 2021
  8. Decided - Granted6/2021/2809/EMT

    Fell 1 x Silver Birch tree and 1x Cider Gum tree

    25 Sheepcote Welwyn Garden City AL7 4QA

    Received 29 Sept 2021
  9. Appeal Decided - Allowed6/2023/0297/VAR

    Variation of condition 2 (drawing numbers) on planning permission 6/2021/1144/VAR

    50 Plough Hill Cuffley Potters Bar EN6 4DS

    Received 7 Feb 2023
  10. Decided - GrantedW6/2009/2675/EM

    ERECTION OF SINGLE STOREY REAR EXTENSION, LOFT CONVERSION AND RE-ROOFING TO MAIN HOUSE, FRONT PORCH AND CAR PORT

    21 RUSSELLCROFT ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6QX

    Received 14 Dec 2009
  11. Decided - GrantedN6/2008/1233/TP

    PRUNE AND REDUCE CROWN BY 25% AND REMOVE DEADWOOD OF OAK TREE T1 COVERED BY TPO 69

    13 Oak Piece Welwyn AL6 0XE

    Received 16 Jul 2008
  12. Decided - Granted6/2026/1487/EM

    Proposed addition of a 3104 x 5474 mm pent roofed wooden shed to rear garden

    5 Ashley Close Welwyn Garden City AL8 7LH

    Received 24 Aug 2026
  13. Decided - GrantedS6/2007/0952/FP

    VARIOUS ALTERATIONS TO INCLUDE 1 1/2 STOREY SIDE EXTENSION, SINGLE STOREY REAR EXTENSION TO INCORPORATE 2 FRONT DORMERS AND 2 REAR DORMERS AND INCREASE IN HEIGHT WITH THE INTRODUCTION OF HALF HIPS

    70 King James Avenue Cuffley Potters Bar EN6 4LP

    Received 26 Jun 2007
  14. Decided - Granted6/2026/0697/TPO

    TPO76 T1 - 1 x Horse chestnut (side of house) to reduce branches back from house by approximately 2.5m - tree side of house - to reduce branches back from house by 2.5m from branch tips as they are now over sailing property, dropping conkers onto tiles and into gutters along with the accumulation of leaf litter. T2 - 1 x Horse chestnut to re pollard approximately 3 limbs back to previously pruned points further down garden - Reduce 3 limbs by around 3m providing a suitable clearance from the property and patio. To reduce the affect of conkers, leaf debris and bird poo.

    The Coach House 60 Mill Lane Welwyn AL6 9ES

    Received 20 Apr 2026
  15. Decided - Refused6/2018/0607/HOUSE

    Erection of a garage

    16 Turpins Chase Welwyn AL6 0RA

    Received 5 Mar 2018
  16. Decided - GrantedW6/2004/0498/EM

    EXTENSION TO EXISTING HARDSTANDING TO ACCOMMODATE TWO VEHICLES

    144 Parkway, Welwyn Garden City, AL8 6HP

    Received 1 Apr 2004
  17. Decided - Granted6/2022/1511/EMT

    1 x Apple to reduce by 1m height & width

    90 Handside Lane Welwyn Garden City AL8 6SN

    Received 28 Jun 2022
  18. Decided - Withdrawn6/2020/0178/VAR

    Variation of condition 7 (approved plans) on planning permission 6/2018/2688/FULL

    Beecholme 54 Codicote Road AL6 9UJ

    Received 24 Jan 2020
  19. Decided - GrantedN6/2013/0506/FP

    Installation of solar panels on roof

    Lessiters Ltd 61 London Road Woolmer Green Knebworth SG3 6JE

    Received 14 Mar 2013
  20. Decided - WithdrawnS6/2008/0504/LB

    DEMOLITION OF ATCOST BARNS, REMOVAL OF BUILDERS YARD AND HARDSTANDINGS. REPAIR AND RESIDENTIAL CONVERSION OF HISTORIC STOCK BUILDINGS TO CREATE SIX (FIVE x TWO BED, ONE X 3 BED) DWELLINGS AND CONSTRUCTION OF FIVE, THREE BED TERRACE HOUSES WITH ASSOCIATED PARKING AND LANDSCAPING

    LOWER WOODSIDE FARM LOWER WOODSIDE, WILDHILL ROAD, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 6DH

    Received 4 Mar 2008
  21. Decided - GrantedN6/2014/1463/LUE

    Retention of rear conservatory

    69 Guessens Road, Welwyn Garden City, AL8 6RE

    Received 12 Aug 2014
  22. Decided - RefusedN6/2004/0484/FP

    LOFT CONVERSION INCORPORATING REAR DORMER WINDOW

    31 Harmer Green Lane Digswell Welwyn AL6 0AS

    Received 31 Mar 2004
  23. Decided - Granted6/2023/1260/HOUSE

    Installation of photovoltaic panels to existing outbuilding roof

    39 Ayot Green Ayot St Peter Welwyn AL6 9AB

    Received 15 Jun 2023
  24. Decided - GrantedW6/2009/0290/EM

    INSTALLATION OF REPLACEMENT WINDOWS

    1 GUESSENS WALK, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6QS

    Received 27 Feb 2009

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