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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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

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 - RefusedN6/2013/2063/LUP

    Erection of single storey front porch

    9 Briary Wood Lane Welwyn AL6 0TE

    Received 26 Sept 2013
  2. Decided - GrantedW6/2009/2293/EM

    ERECTION OF SINGLE STOREY REAR EXTENSION AND RAISING PART OF FLAT ROOF

    30 SHERRARDSPARK ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7JS

    Received 14 Oct 2009
  3. Decided - Granted6/2020/3466/HOUSE

    Erection of single storey rear infill extension

    30 Fordwich Road Welwyn Garden City AL8 6EY

    Received 31 Dec 2020
  4. Appeal Decided - Dismissed6/2018/1525/HOUSE

    Erection of detached double garage

    2A The Shed Whitehill Ayot St Peter Welwyn AL6 9AF

    Received 7 Jun 2018
  5. Decided - Granted6/2020/3333/LAWP

    Certificate of lawfulness for the erection of an outbuilding

    33 Church Lane Northaw Potters Bar EN6 4NX

    Received 11 Dec 2020
  6. Decided - GrantedW6/2014/0165/EM

    Loft conversion incorporating rear dormer

    90 Sweet Briar, Welwyn Garden City, AL7 3EA

    Received 22 Jan 2014
  7. Decided - GrantedS6/2014/1967/FP

    Conversion of 3 floors of existing (B1) offices over shops to six 2 bed flats (C3)

    74-78 Town Centre, Hatfield, AL10 0JW

    Received 4 Sept 2014
  8. Decided - Granted6/2016/0687/TPO

    Fell Cherry tree and reduce three Conifers by 50% - Conservation Area

    9 Mandeville Rise, Welwyn Garden City, AL8 7JT

    Received 31 Mar 2016
  9. Decided - Refused6/2019/0516/FULL

    Erection of 1 x dwelling with associated 2 car-parking spaces, 4 secured bicycle stands and refuse and recycle bin store

    53A Roe Green Close Hatfield AL10 9PF

    Received 7 Mar 2019
  10. Decided - Granted6/2017/2977/LAWP

    Certificate of lawfulness for a single storey side and rear extension, loft conversion including rooflights and a dormer window, a new outbuilding and front porch

    67 Bluebridge Road Brookmans Park Hatfield AL9 7UW

    Received 28 Dec 2017
  11. Decided - GrantedN6/2014/1758/TP

    Various works (see schedule) to Oaks, Hornbeams and ash trees covered by TPO481

    Peel Court, 16 College Way, Welwyn Garden City, AL8 6DG

    Received 6 Aug 2014
  12. Decided - GrantedN6/2008/2106/DS

    DISCHARGE OF CONDITION 3 (MATERIALS) OF PLANNING PERMISSION N6/2008/0953/FP

    40 Parkway, Welwyn Garden City, AL8 6HQ

    Received 7 Nov 2008
  13. Decided - WithdrawnW6/2006/0116/EM

    ERECTION OF TWO STOREY AND SINGLE STOREY REAR EXTENSION

    12 Sherrardspark Road, Welwyn Garden City, AL8 7JP

    Received 27 Jan 2006
  14. Decided - GrantedS6/2012/2681/S73B

    Time extension of planning permission S6/2010/0236/FP (erection of five bed detached dwelling)

    101 Brookmans Avenue, Brookmans Park, HATFIELD, AL9 7QG

    Received 31 Dec 2012
  15. Decided - GrantedN6/2013/0297/TC

    Reduce Beech tree by 2 metres and remove deadwood

    9 Homerfield, WELWYN GARDEN CITY, AL8 6QZ

    Received 11 Feb 2013
  16. Decided - GrantedW6/2012/2651/EM

    Erection of a single storey rear extension

    102 Mountway, WELWYN GARDEN CITY, AL7 4LB

    Received 17 Dec 2012
  17. DecidedN6/2008/2402/TC

    REMOVAL OF PLUM TREE, BEECH TREE, OAK TREE, HORSE CHESTNUT TREE AND CLIMBER

    AYOT FARM, BIBBS HALL LANE, AYOT ST LAWRENCE, WELWYN, HERTFORDSHIRE, AL6 9BY

    Received 5 Dec 2008
  18. Decided - Granted6/2018/2366/TPO

    T1 T2 Hornbeams- coppice to 2 meters T3 T4 T5 Hornbeams- pollard to old points T6 T7 T9 T10 T11 Oaks Reduce by 30% T8 douglas Fir Fell: TPO 638 & 673

    18 Oaklands Rise Welwyn AL6 0RN

    Received 14 Sept 2018
  19. Decided - GrantedN6/2004/1201/DT

    ERECTION OF 14.7 METRE TELECOMMUNICATIONS MAST, EQUIPMENT CABINETS AND DEVELOPMENT ANCILLARY

    LAND AT, SWALLOWFIELDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1JD

    Received 5 Aug 2004
  20. Decided - GrantedN6/2007/0660/TP

    WORK TO TREES COVERED BY TPO 24 AREA 3, TO REMOVE BEECH (2), SMALL OAK (4) AND SMALL PINE (6) AND PRUNE BACK BY 30% SMALL OAK (1) AND LARGE OAK (3) AND PRUNE BACK PINE (5) BY 20%.

    2 The Drive Welwyn AL6 0TR

    Received 30 Apr 2007
  21. Decided6/2019/1538/TC

    Reduce 1 x Leyland hedge by 50% covered by conservation area

    5 The Lawns Welwyn Garden City AL8 7HU

    Received 24 Jun 2019
  22. Decided - Granted6/2023/0231/LAWP

    Certificate of lawfulness for the erection of a single storey side extension

    75 The Ridgeway Cuffley Potters Bar EN6 4BD

    Received 31 Jan 2023
  23. Decided - Granted6/2018/2634/EM

    Installation of French doors to replace window

    99 Hollybush Lane Welwyn Garden City AL7 4JS

    Received 15 Oct 2018
  24. Decided - Granted6/2021/3037/FULL

    Installation of a 20m monopole supporting 3 x antennas and ancillary development involving removal of existing 15m monopole

    Land adjacent to Comet Way Hatfield AL10 9SL

    Received 22 Oct 2021

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

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How to search planning applications

Guides to planning records

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    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