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
40,062Searchable applications
298Recorded as pending
86%Approval rate · 33,600 approved or refused records
4,796Refused applications

28,804 approved · 4,796 refused · 2,203 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 29 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 Counts reflect the last collected status; some records may be out of date.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. Decided6/2022/1669/TC

    T1 Oak - Reduce crown by 3 metres to suitable points of growth

    6 Densley Close Welwyn Garden City AL8 7JX

    Received 15 Jul 2022
  2. Decided - RefusedW6/2006/0484/EM

    ERECTION OF GARAGE / STORE

    50 Lowerfield, Welwyn Garden City, AL7 3JT

    Received 11 Apr 2006
  3. Decided - Granted6/2021/0327/HOUSE

    Erection of first floor rear extension and alterations to openings

    8 Oakington Welwyn Garden City AL7 2PS

    Received 3 Feb 2021
  4. Decided6/2025/2533/TC

    T1 - 1 x Oak to reduce by around 1.5 metres in height and width. Lower south-westerly limbs to reduce by around 2.5 metres. Remove deadwood consisting of branches greater than 40mm in diameter. Remove epicormic growths from trunk. T2 1 x Oak to remove deadwood consisting of branches greater than 40mm in diameter. Remove epicormic growth from trunk. Remove epicormic growth keeping the trunk clean. T3 1 x Lawson Cyprus and neighbouring tree to reduce by around 2.5 metres. T4 dead Cherry Plum to reduce back to framework.

    12 Sherrardspark Road Welwyn Garden City AL8 7JP

    Received 8 Dec 2025
  5. Decided - RefusedW6/2008/1109/EM

    REMOVAL OF GRASSED AREA AND REPLACE WITH PLUM COLOURED SLATE AND PLANT AREAS

    3 HEMPSTALL, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3LY

    Received 4 Jul 2008
  6. Decided - Granted6/2018/3234/VAR

    Deletion of condition 1 (lesson details) and variation of condition 7 (parking facilities) on planning permission 6/2018/0680/FULL

    74 Harmer Green Lane Welwyn AL6 0EJ

    Received 19 Dec 2018
  7. Decided - RefusedS6/2007/1655/FP

    ERECTION OF NEW DWELLING FOLLOWING DEMOLITION OF EXISTING DWELLING.

    CUCUMBER HALL FARM, CUCUMBER LANE, ESSENDON, HATFIELD, HERTFORDSHIRE, AL9 6JB

    Received 30 Oct 2007
  8. Decided - GrantedS6/2014/0047/FP

    Proposed seperation of presently attached garages, single storey front and rear extension

    7 Bradmore Way, Brookmans Park, Hatfield, AL9 7QY

    Received 16 Jan 2014
  9. Decided - RefusedN6/2013/1952/FP

    Erection of a 4 bed detached dwelling following demolition of existing bungalow

    7 Rosecroft Lane Welwyn AL6 0UB

    Received 6 Sept 2013
  10. Decided - Granted6/2019/0639/HOUSE

    Erection of single storey rear extension

    120 Howlands Welwyn Garden City AL7 4RG

    Received 18 Mar 2019
  11. Decided - Granted6/2024/2099/EM

    Erection of 2 storey side & rear extension with part single storey rear

    252 Thistle Grove Welwyn Garden City AL7 4AL

    Received 31 Oct 2024
  12. Decided - Refused6/2015/1592/LB

    Formation of pitched roof to existing side extension

    Ayot Cottage Hill Farm Lane Welwyn AL6 9BT

    Received 28 Jul 2015
  13. Decided - Granted6/2023/2475/EM

    Move existing front door and side lights forward to enclose existing covered porch

    35 Reddings Welwyn Garden City AL8 7LA

    Received 11 Dec 2023
  14. Decided - RefusedN6/2015/0895/FP

    Change of use from offices (B1) to public house (A4) and rear one and two storey extensions

    First And Part Second Floor 22 Parkway Welwyn Garden City AL8 6HG

    Received 27 Apr 2015
  15. Decided - Refused6/2019/2195/COND

    Submission of details pursuant to condition 7 (surface water drainage) on planning permission 6/2018/2577/VAR

    94 Harmer Green Lane Digswell Welwyn AL6 0EP

    Received 4 Sept 2019
  16. Decided - GrantedS6/2013/1407/FP

    Erection of single storey front and side extensions and levelling of rear garden with retianing walls

    6 Warwick Close, Cuffley, Potters Bar, EN6 4RT

    Received 4 Jul 2013
  17. Decided - Granted6/2022/2606/FULL

    Change of use from unallocated general car parking to the rear of 22 Whitethorn to the use for private car parking as part of the residential curtilage of 22 Whitethorn.

    22 Whitethorn Welwyn Garden City AL7 3EX

    Received 15 Nov 2022
  18. Decided - GrantedS6/2004/0396/FP

    ERECTION OF A REAR CONSERVATORY

    2 High Ridge Cuffley Potters Bar EN6 4JH

    Received 29 Mar 2004
  19. Decided - Refused6/2023/2566/LAWP

    Certificate of lawfulness for the erection of a single storey rear extension, two single storey side extensions, two rear conservatories, single storey basement underneath the original dwellinghouse and single storey outbuilding

    Little Bedwell Cucumber Lane Essendon Hatfield AL9 6JA

    Received 28 Dec 2023
  20. Decided - Granted6/2022/0117/EM

    Erection of a 2m wooden fence in the rear garden

    76 Brockswood Lane Welwyn Garden City AL8 7BQ

    Received 18 Jan 2022
  21. Decided - Granted6/2018/2719/LB

    Alterations to Bridge House, rebuilding of an associated outbuilding and altered external works

    26 High Street Welwyn AL6 9EQ

    Received 23 Oct 2018
  22. DecidedN6/2014/2450/TC

    Reduction by 30% of one sycamore, removal of 2nd sycamore and crown lift of tertiary growth London Plane to 6m

    Ayot House, 3 Hill Farm Lane, Welwyn, AL6 9BP

    Received 7 Nov 2014
  23. Decided - Granted6/2019/2224/EM

    Reduce 1 x Oak tree crown by 25% Fell 1x Group of Holly trees

    1 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 9 Sept 2019
  24. Decided - Withdrawn6/2017/1278/HOUSE

    Erection of single storey rear extension, with conversion of existing loft and installation of rear dormer

    79 Homestead Road Hatfield AL10 0QP

    Received 13 Jun 2017

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