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28,970 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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

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 - GrantedN6/2014/0957/FP

    Installation of 3 side velux windows and 1 rear window and erection of rear dormer window to accommodate conversion of loft to habitable space

    65 Handside Lane, Welwyn Garden City, AL8 6SH

    Received 2 May 2014
  2. Decided - RefusedN6/2009/1085/FP

    ERECTION OF A SINGLE STOREY GARAGE AND GARDEN ROOM FOLLOWING DEMOLITION OF EXISTING GARAGE AND STORE ROOM

    1 Ruins Cottages Hill Farm Lane Ayot St Lawrence Welwyn AL6 9BU

    Received 22 May 2009
  3. Decided - Refused6/2025/0288/LAWE

    Certificate of lawfulness for garage conversion to hair and beauty salon

    41 Goldings Crescent Hatfield AL10 8UB

    Received 18 Feb 2025
  4. Decided - Granted6/2017/0815/HOUSE

    Installation of 5 rooflights, dormer window, rear patio doors for a juliet balcony to facilitate loft conversion

    7 Reeves Court Welwyn AL6 9FU

    Received 21 Apr 2017
  5. Decided - Granted6/2024/1497/EM

    Erection of a single storey rear extension with rooflights

    67 Ludwick Way Welwyn Garden City AL7 3PL

    Received 6 Aug 2024
  6. Decided - Granted6/2025/2110/EM

    Replacement of existing white aluminium double-glazed windows (excluding conservatory) with white triple-glazed uPVC units. No change to number, size, or design of windows; Georgian bars to be replaced like-for-like. Add a new doorway between Bedroom 4 and garage. Door to be professionally installed with reinforced lintel, lockable and compliant with fire regulations.

    42 Attimore Road Welwyn Garden City AL8 6LP

    Received 2 Oct 2025
  7. Decided - GrantedS6/2009/2386/FP

    ERECTION OF DETACHED DWELLING AND CHALET BUNGALOW FOLLOWING DEMOLITION OF EXISTING DWELLING - AMENDMENTS TO APPROVED PLANNING APPLICATION S6/2007/1447/FP

    36 TOLMERS AVENUE, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4QA

    Received 4 Nov 2009
  8. Decided - Refused6/2018/2593/EM

    Formation of vehicular hardstanding and erection of detached garage and store with associated landscaping

    9 Ashley Close Welwyn Garden City AL8 7LH

    Received 9 Oct 2018
  9. Decided - SplitS6/2008/0993/TP

    CROWN LIFT T1 CYPRESS BY 2M AND THIN BY 20% AND CROWN LIFT T2 OAK BY 2M AND REDUCE CROWN BY 2M COVERED BY TPO 226 AND CROWN REDUCE TO PREVIOUS PRUNING POINTS 4 OAK TREES COVERED BY TPO 170 G1

    61A PINE GROVE, BROOKMANS PARK, HATFIELD, HERTSFORDSHIRE, AL9 7BL

    Received 25 Jun 2008
  10. Decided - GrantedW6/2015/0010/TE

    Reduce Cherry tree crown by upto 40% and Gleditsia tree by 30%

    21 Dellcott Close, Welwyn Garden City, AL8 7BB

    Received 5 Jan 2015
  11. Appeal Decided - Allowed6/2017/2107/FULL

    Erection of 8 x 2-bedroom apartments arranged in two blocks, with associated parking, amenity areas and bin stores, following the demolition of existing 4-bedroom house

    37 Church Street Welwyn AL6 9LS

    Received 19 Sept 2017
  12. Decided - Granted6/2019/2354/HOUSE

    Retention of outbuilding

    44 Stockbreach Road, Hatfield, AL10 0BD

    Received 24 Sept 2019
  13. Decided - Granted6/2016/1490/EM

    Retention of resurfaced driveway

    22 Russellcroft Road, Welwyn Garden City, AL8 6QU

    Received 21 Jul 2016
  14. Decided - GrantedW6/2015/0706/EM

    Retention of conservatory

    37 Rowans Welwyn Garden City AL7 1NZ

    Received 25 Mar 2015
  15. Decided - GrantedW6/2013/1828/EM

    Erection of building in rear garden for use as office

    49 Longcroft Lane, Welwyn Garden City, AL8 6EB

    Received 23 Aug 2013
  16. Decided - Granted6/2020/1269/FULL

    Retention of mobile concrete dry batching plant

    47-49 Burrowfield Welwyn Garden City AL7 4SS

    Received 4 Jun 2020
  17. Decided - RefusedS6/2014/0296/FP

    Erection of single storey rear extension, two storey side extension and replacement of front dormer

    8 Thrush Lane, Cuffley, Potters Bar, EN6 4JU

    Received 6 Feb 2014
  18. Decided - Granted6/2023/1882/HOUSE

    Re-routing and extension of existing footpath, resurface driveway and replace dwarf wall along front boundary

    23 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 11 Sept 2023
  19. Decided - GrantedS6/2008/0825/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    32 CALDER AVENUE, BROOKMANS PARK, HATFIELD, AL9 7AG

    Received 24 May 2008
  20. Decided - Split6/2023/2136/COND

    Submission of details pursuant to condition 2 (construction management plan), 3 (archaeological written scheme of investigation), 4 (arboricultural method statement), 7 (petrol interceptors and treatment devices) and 9 (surface water drainage) on planning permission 6/2021/3422/MAJ

    Car Park Salisbury Square Hatfield AL9 5AD

    Received 20 Oct 2023
  21. Decided - Granted6/2024/2004/VAR

    Variation of condition 5 (Electric Vehicle Charging Points), 6 (Energy Statement), 7 (Hard and Soft Landscaping), 8 (External Materials), 9 (Refuse and Recycling Storage), 10 (Surface Water Drainage Scheme), 12 (Car Parking), and 22 (Drawing Numbers) on planning permission 6/2023/0907/FULL

    59 New Road Digswell Welwyn AL6 0AL

    Received 18 Oct 2024
  22. Decided - Granted6/2017/0789/HOUSE

    Single and two storey rear extension

    19 Windsor Road Welwyn AL6 9JH

    Received 19 Apr 2017
  23. Decided - GrantedS6/2004/0110/FP

    CHANGE OF USE OF A1 SHOP TO MIXED USE, PART A1, PART D1 CHIROPRACTOR CLINIC

    9 Bradmore Green Brookmans Park Hatfield AL9 7QW

    Received 20 Jan 2004
  24. Decided - WithdrawnN6/2004/0658/FP

    TWO STOREY REAR EXTENSION AND SINGLE STOREY SIDE EXTENSION

    32 Valley Road Welwyn Garden City AL8 7DN

    Received 21 May 2004

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

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  • 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