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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
40,295Searchable applications
322Recorded as pending
86%Approval rate · 33,786 approved or refused records
4,816Refused applications

28,970 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2017/0108/TPO

    Sweet Chestnut - Reduce crown by upto 25% covered by TPO 427 (2009)

    13B Woodland Way Welwyn AL6 0RZ

    Received 23 Jan 2017
  2. Decided - Granted6/2016/0423/COND

    Approval of details reserved by condition 3 (landscaping) and condition 4 (materials) on planning permission S6/2014/2423/FP

    1a Selwyn Drive, Hatfield, AL10 9NH

    Received 8 Mar 2016
  3. Decided - Granted6/2016/1261/HOUSE

    Erection of two storey front, side and rear extensions, new roof with dormer window and new bay window to front elevation

    50 Calder Avenue, Brookmans Park, Hatfield, AL9 7AG

    Received 23 Jun 2016
  4. Decided - Granted6/2016/2575/COND

    Approval of details reserved by condition 2 (Materials) on planning permission 6/2016/1559/HOUSE

    Home Farm 6 Whitehill Ayot St Peter Welwyn AL6 9AF

    Received 1 Dec 2016
  5. Decided - Granted6/2022/1340/HOUSE

    Erection of a single storey rear/side extension with insertion of roof lights and a replacement window to existing first floor rear elevation

    15 Sweet Briar Welwyn Garden City Hertfordshire AL7 3DU

    Received 9 Jun 2022
  6. Decided - GrantedW6/2004/0468/EM

    ERECTION OF REAR CONSERVATORY

    1 Pond Field, Welwyn Garden City, AL7 1PR

    Received 25 Mar 2004
  7. Decided - Refused6/2022/0836/LAWP

    Certificate of lawfulness for a loft conversion with rear dormer

    55 The Ridgeway Cuffley Potters Bar Hertfordshire EN6 4BD

    Received 6 Apr 2022
  8. Decided - Refused6/2018/0048/PN8

    Prior approval for the erection of a single storey rear extension measuring 8 in depth, 2.843m in height and 2.543m to the eaves

    Manor Cottage Vineyards Road Northaw Potters Bar EN6 4PQ

    Received 5 Jan 2018
  9. Decided - Granted6/2015/1746/EM

    Installation of replacement roof covering (asbestos to tile) reposition of skylight in utility roof and external insulation of utility room.

    8 Stanborough Green Welwyn Garden City AL8 6XG

    Received 14 Aug 2015
  10. Decided - Granted6/2025/0193/ADV

    Retrospective consent for BP-branded signage around the petrol forecourt canopy

    Welham Green Service Station Dellsome Lane Welham Green Hatfield AL9 7NF

    Received 5 Feb 2025
  11. Decided - Granted6/2021/3220/EM

    Erection of a single storey side and two storey rear extension including internal alterations

    1 Guessens Road Welwyn Garden City AL8 6QW

    Received 10 Nov 2021
  12. Decided - RefusedN6/2014/2617/FP

    Alterations to garage to include formation of new roof, dormer window and insertion of rooflights

    15 Oaklands Rise Welwyn AL6 0RN

    Received 2 Dec 2014
  13. Decided - Granted6/2024/1999/FULL

    Relocation of boundary wall following demolition of existing wall along the western boundary and creation of pedestrian gateway

    2 Northaw Road West Northaw Potters Bar EN6 4NR

    Received 17 Oct 2024
  14. Decided - Granted6/2018/1982/PN8

    Prior approval for the erection of a single storey rear extension measuring 4.040m in depth, 3.330m in height and 2.100m to the eaves

    150 Crawford Road Hatfield AL10 0PA

    Received 26 Jul 2018
  15. Decided - Granted6/2022/2853/HOUSE

    Erection of single storey side and rear extension following the demolition of existing single story side extension

    62 Hillcrest Hatfield AL10 8HG

    Received 18 Dec 2022
  16. Decided - Granted6/2016/0726/FULL

    Alterations to elevations including replacement of new flush drive thru booths

    McDonalds Restaurant, 68 The Galleria, Comet Way, Hatfield, AL10 0XY

    Received 18 Apr 2016
  17. Decided - Granted6/2018/1843/EM

    Formation of driveway

    28 Lemsford Lane Welwyn Garden City AL8 6YJ

    Received 13 Jul 2018
  18. Decided - Granted6/2015/1627/FULL

    Reinstate fire damaged dwelling to former condition

    50 Heronswood Road, Welwyn Garden City, AL7 3NU

    Received 31 Jul 2015
  19. Decided6/2020/2037/TC

    3x Populus Italica (Lombardy Poplar) to rear of 14 & 16 Rooks Hill - reduce by 50% Sever Ivy at base Large Tilia x europaea (Lime) group on boundary of 14 Rooks Hill - reduce by 6 metres Sever Ivy at base Dead Betula Pendula (Silver Birch) group to rear of 14 Rooks Hill - fell to low stumps

    Land rear of Stanborough Close, Welwyn Garden City, AL8 6XB

    Received 13 Aug 2020
  20. Decided - GrantedW6/2014/0349/EM

    Erection of single storey rear extension

    121 The Commons, Welwyn Garden City, AL7 4RZ

    Received 14 Feb 2014
  21. Appeal Decided - Split6/2021/1674/LAWE

    Certificate of lawfulness for the existing residential one bedroom annex.

    Garden Cottage Danesbury Park Road Welwyn AL6 9SE

    Received 25 May 2021
  22. Decided - RefusedN6/2007/1386/FP

    ERECTION OF SINGLE STOREY SIDE EXTENSION & FIRST FLOOR REAR EXTENSION

    48 BLAKEMERE ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7PJ

    Received 5 Oct 2007
  23. Decided - RefusedS6/2013/1234/LUP

    Certificate of lawfulness for erection of single storey outbuilding

    68 Mymms Drive, Brookmans Park, Hatfield, AL9 7AD

    Received 13 Jun 2013
  24. Decided - GrantedN6/2015/0778/FP

    Garage conversion into habitable accommodation

    5 Alconbury, Welwyn Garden City, AL7 2QL

    Received 9 Apr 2015

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 permission drawings: how to read plans

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  • 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.

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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.

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