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
40,146Searchable applications
300Recorded as pending
86%Approval rate · 33,676 approved or refused records
4,802Refused applications

28,874 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 1 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2020/0558/EM

    Erection of a single story rear extension

    64 Woodhall Lane Welwyn Garden City AL7 3TF

    Received 27 Feb 2020
  2. Decided - Granted6/2017/1429/HOUSE

    Erection of two storey rear extension

    43 Station Road Welham Green Hatfield AL9 7PF

    Received 30 Jun 2017
  3. Decided - Granted6/2025/2492/LAWP

    Certificate of lawfulness for hip to gable rear dormer loft conversion

    7 Selwyn Drive Hatfield AL10 9NH

    Received 28 Nov 2025
  4. Decided - Granted6/2023/1480/HOUSE

    Erection of a part two storey/part single storey rear extension, four rear dormer windows, single storey side extension, new front porch and two front rooflights to replace existing dormer

    75 The Ridgeway Cuffley Potters Bar EN6 4BD

    Received 17 Jul 2023
  5. Decided - RefusedN6/2014/0729/FP

    Erection of two storey side extension

    9 Juniper Gardens Welwyn AL6 0XH

    Received 2 Apr 2014
  6. Decided - GrantedN6/2015/1324/FP

    Erection of single storey side/rear extension, first floor side extension

    12 Oakington Welwyn Garden City AL7 2PS

    Received 19 Jun 2015
  7. Decided - Granted6/2020/2426/FULL

    Erection of 5 no new sets of bi-folding doors, new awning, replace an existing step with a ramp, extend an existing step, extend patio and extend retaining wall.

    Mill Green Golf Club Mill Green Golf Course Gypsy Lane Welwyn Garden City AL7 4TY

    Received 22 Sept 2020
  8. Decided - Granted6/2021/3074/EMT

    1 x Hornbeam to reduce by 30% crown volume - approximately 2.5m height & 3m width. 1 x Beech to reduce by approx 30% crown volume - approx 2m height & width.

    72 Sweet Briar, Welwyn Garden City, AL7 3EA

    Received 26 Oct 2021
  9. Decided - Granted6/2018/3259/COND

    Submission of details pursuant to condition 8 (Building Regulations Part M4 (2) ) on planning permission 6/2017/2415/MAJ

    Accord House 28 Bridge Road East Welwyn Garden City AL7 1HX

    Received 21 Dec 2018
  10. Decided - Refused6/2023/0521/PN8

    Prior approval for the erection of a single storey rear extension measuring 5m in depth, 3m in heights and 2.60m to the eaves following demolition of the existing extension

    51 Herns Lane Welwyn Garden City Hertfordshire AL7 2AG

    Received 7 Mar 2023
  11. Decided - Granted6/2021/1091/EMH

    Erection of single storey side/front extension, loft conversion with 1 x gable end window and insertion of 2 x rear facing roof lights

    4 Blakemere Road Welwyn Garden City AL8 7PJ

    Received 1 Apr 2021
  12. Appeal Decided - AllowedW6/2014/0868/EM

    Formation of vehicle crossover and hardstanding

    156 Blythway Welwyn Garden City AL7 1DU

    Received 14 Apr 2014
  13. Decided - RefusedN6/2014/2346/FP

    Retention of existing detached garage, front boundary wall and entrance gate

    14 Great North Road Welwyn AL6 0PL

    Received 23 Oct 2014
  14. Decided - Granted6/2023/1014/VAR

    Variation of condition 18 (Approved plans) for planning permission 6/2022/0289/FULL

    22 The Common Hatfield AL10 0ND

    Received 15 May 2023
  15. Decided - Granted6/2025/0619/EMT

    T1 Yew reduce in height by approx. 2 metres and cut back by 1-2 metres all round to maintain size and shape. T2 Sycamore re-pollard to previous pruning points.

    10 Handside Green Welwyn Garden City AL8 6SQ

    Received 31 Mar 2025
  16. Decided - RefusedS6/2008/1567/OP

    OUTLINE APPLICATION FOR ERECTION OF TWO DETACHED SIX BEDROOM HOUSES FOLLOWING DEMOLITION OF EXISTING DWELLING

    2 HANYARDS LANE, CUFFLEY, HERTFORDSHIRE, EN6 4AS

    Received 28 Aug 2008
  17. Decided - RefusedS6/2015/1005/HH

    Prior approval for a proposed single storey rear extension

    77 High Dells Hatfield AL10 9HY

    Received 12 May 2015
  18. Decided - GrantedS6/2004/1089/FP

    INSTALLATION OF EXTERNAL ATM

    University of Hertfordshire College Lane Hatfield AL10 9AB

    Received 13 Jul 2004
  19. Decided - RefusedS6/2005/1356/FP

    RENEWAL OF FRONT BOUNDARY WALL TO MATCH NEW BUILD HOUSE.

    59 The Ridgeway Cuffley Potters Bar EN6 4BD

    Received 27 Oct 2005
  20. Decided - Granted6/2023/0838/LAWP

    Certificate of lawfulness for the replacement of PIR insulation with mineral wool insulation under cladding, replace uPVC spandrel panel with matching aluminium and replace timber decking to balconies with brown aluminium

    Blocks 1 - 4 Comet Square Hatfield AL10 9RA

    Received 19 Apr 2023
  21. Decided - Granted6/2022/2576/EM

    Amendment to Estate Management consent 6/2021/0444/EM - changes on 1 no. double glazed doors on side (east) elevation to a window and 1 no. of window on rear elevation to bi-fold doors - remove 1 no. proposed roof light - change location of 1 no. of proposed roof light No insertion of new doors to front elevation, existing window to remain

    24 Attimore Road Welwyn Garden City AL8 6LW

    Received 11 Nov 2022
  22. Decided - GrantedN6/2004/0791/LB

    INSTALLATION OF SATELITE DISH TO HOUSE

    Quartermans Cottage Digswell Lane Welwyn AL6 0SP

    Received 27 May 2004
  23. Decided - GrantedS6/2004/0189/FP

    ERECTION OF REAR CONSERVATORY

    48 Pine Grove Brookmans Park Hatfield AL9 7BW

    Received 9 Feb 2004
  24. Decided - GrantedS6/2014/1058/FP

    Erection of single storey infill extension

    St Peters Catholic Church Bishops Rise Hatfield AL10 9HN

    Received 15 May 2014

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

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