England · Local authority

Welwyn Hatfield Borough Council
Planning applications.

Explore collected planning applications and decisions for Welwyn Hatfield Borough Council. Search an address, application reference or proposal to find a record.

Collected application statistics

Collected records · All available dates
28,459Searchable applications
307Recorded as pending
87%Approval rate · 23,550 approved or refused records
3,166Refused applications

20,384 approved · 3,166 refused · 1,517 withdrawn. Received dates in our records: 1 Nov 1999 to 13 Oct 2026. Most recent record check: 17 Oct 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 Counts reflect the last collected status; some records may be out of date.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. Decided6/2021/0532/TC

    Fell 2 x Spruce trees covered by conservation area

    24 Turmore Dale Welwyn Garden City AL8 6HS

    Received 18 Feb 2021
  2. Decided - Granted6/2022/1909/FULL

    Change of use of shared staff overnight accommodation to self-contained staff accommodation comprising 2 No. 1 bed units and 2 No. studio units and alterations to fenestrations

    North Mymms Park Crosbys Cottage Tollgate Road North Mymms Hatfield AL9 7TR

    Received 16 Aug 2022
  3. Decided - Granted6/2026/1080/EMT

    1 x Blackthorn/plum to reduce canopy by 1m in height and 1.2m in width. 1 x Apple to fell.

    264 Heronswood Road Welwyn Garden City AL7 3JQ

    Received 22 Jun 2026
  4. Decided - Granted6/2016/2738/EM

    Erection of new lean-to conservatory to rear of property and removal of hedge between property no.47 and no.49.

    47 Broomhills Welwyn Garden City AL7 1RE

    Received 29 Dec 2016
  5. Decided - Granted6/2016/0737/FULL

    Change of use from B1/B8 (industrial/warehouse) to D1 (non residential institution) for use as a church

    Unit 2, 184 St Albans Road West, Hatfield, AL10 0TF

    Received 20 Apr 2016
  6. Decided - Granted6/2025/0569/EM

    Part conversion of existing outbuilding and installation of a dormer window and roof light to facilitate a loft conversion

    14 Russellcroft Road Welwyn Garden City AL8 6QT

    Received 25 Mar 2025
  7. Decided - RefusedN6/2014/0505/LUP

    Certificate of lawfulness for the proposed erection of single storey rear extension following the demolition of existing conservatory and alterations to balcony replacing existing ballustrade with glass

    6 Blakes Way Welwyn AL6 9RE

    Received 6 Mar 2014
  8. Decided6/2025/2188/TC

    T1 Sycamore, crown reduce by 2-3 metres all round. T2 Robinia, crown reduce by 2-3 metres all round. T3 Purple Leaf Plum, remove 'water shoots' and balance crown.

    21 Valley Road Welwyn Garden City AL8 7DH

    Received 14 Oct 2025
  9. Decided - Granted6/2022/1083/TPO

    T011 - Scots Pine - Reduce beech stem back from main stem to prevent any further damage T012 - Beech - Crown reduce by up to 2.5 m T014 - Sycamore - Heavy reduction to leave a 4m habitat pole T015 - Common Beech - Reduce the two lower limbs over the public highway by up to 4 m insuring they are back to good viable growth points T016 - Common Beech - Reduce the lower limbs the lowest six limbs over the highway by 3m back to good viable grade points

    24 Mornington Digswell Welwyn Hertfordshire AL6 0AJ

    Received 10 May 2022
  10. Decided - Granted6/2023/0622/FULL

    Erection of 1x dwelling following demolition of the existing dwelling and installation of front boundary treatment

    4 Brookmans Avenue Brookmans Park AL9 7QJ

    Received 21 Mar 2023
  11. Decided - Refused6/2020/2012/HOUSE

    Erection of proposed single storey side extension, loft conversion, hip to gable roof extension with pitched roof dormer to front and flat roof dormer to rear, side roof slope windows and amendments to fenestration. Demolition of existing outbuildings and lean-to.

    20 Westland Drive Hatfield AL9 7UQ

    Received 11 Aug 2020
  12. Decided - GrantedS6/2014/0203/FP

    Erection of part single storey front extension

    9 Cecil Crescent Hatfield AL10 0HF

    Received 24 Jan 2014
  13. Decided - Refused6/2023/0085/TPO

    Oak tree G2 TPO 643 (2017) - 4m reduction from top of tree, 25% reduction in width and removal of deadwood. The tree overhangs a public footpath behind our garden.

    24 Marlborough Close Welwyn Hertfordshire AL6 0UG

    Received 12 Jan 2023
  14. Decided - Granted6/2019/0960/FULL

    Erection of a single storey side extension to provide new trade kitchen, external alterations, air conditioning unit, expansion of patio, alterations to car park layout and alterations to the barn.

    The Rose And Crown 14 Church Street Welwyn AL6 9LX

    Received 18 Apr 2019
  15. Decided6/2020/2393/TC

    Fell 1 x Ash Tree

    10 Hillside Welwyn Garden City AL7 4PZ

    Received 18 Sept 2020
  16. Appeal Decided - Dismissed6/2021/0597/HOUSE

    Erection of railings and electric gates

    7 Georges Wood Road Brookmans Park Hatfield AL9 7BY

    Received 24 Feb 2021
  17. Decided - Granted6/2016/0261/EM

    Erection of rear conservatory following demolition of existing

    80 Attimore Road, Welwyn Garden City, AL8 6LP

    Received 15 Feb 2016
  18. Decided - GrantedN6/2014/1170/DS

    Approval of details reserved by condition 8 (cross section) of planning permission N6/2013/0821/MA

    Former Clock Hotel Church Street Welwyn AL6 9LN

    Received 30 May 2014
  19. Decided - Granted6/2018/1642/EM

    Reduce 1 x Leyland Cypress 2 x stems Reduce 1 x Cherry 1 x Stem Reduce Sycamore by 2m

    102 Ridgeway Welwyn Garden City AL7 2DA

    Received 22 Jun 2018
  20. Decided - WithdrawnN6/2014/0095/FP

    Formation of vehicle hardstanding

    35 Haldens, Welwyn Garden City, AL7 1DH

    Received 9 Jan 2014
  21. Decided - Granted6/2022/2347/EM

    Retrospective application of garden layout changes to form double driveway, to remove 1.5 metres of front hedge to enable better access to driveway and improved visibility. Garden size increased to 12.24m2 from 7.5m2 by removing paving.

    89 Moorlands Welwyn Garden City AL7 4QQ

    Received 10 Oct 2022
  22. Decided - Granted6/2020/2585/EMT

    Reduce rear limb of Scots Pine by 1.5m height & width and lift lower canopy by 0.5m. Reduce 2 x Apples by 1.5m height & 1m width Reduce Pear by 1.5m height & 0.5m width

    45 Fordwich Road Welwyn Garden City AL8 6EY

    Received 6 Oct 2020
  23. Decided - Granted6/2021/2573/EMT

    2 x Lombardy Poplar - reduce back to most recent and established pruning points (approx. 30% reduction)

    10 Heather Road Welwyn Garden City AL8 6XU

    Received 3 Sept 2021
  24. Decided - Granted6/2022/0743/HOUSE

    Erection of first floor side extension with alterations to openings

    20 Little Dell Welwyn Garden City AL8 7HZ

    Received 28 Mar 2022

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

View all applications

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.

  • 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