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
33,833Searchable applications
313Recorded as pending
87%Approval rate · 28,312 approved or refused records
3,716Refused applications

24,596 approved · 3,716 refused · 1,759 withdrawn. Received dates in our records: 29 Apr 1948 to 14 Oct 2026. Most recent record check: 21 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 Counts reflect the last collected status; some records may be out of date.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. Decided - Granted6/2017/2349/LAWP

    Certificate of lawfulness for the erection of a rear chimney

    18 Twelve Acres Welwyn Garden City AL7 4TG

    Received 11 Oct 2017
  2. Decided - Granted6/2024/0984/HOUSE

    Erection of a part single, part two storey rear extension, alterations to openings with replacement of all metal windows to UPVC

    22 Melbourne Court Welwyn Garden City AL8 6LL

    Received 28 May 2024
  3. Decided - Granted6/2016/2323/EM

    Conversion of two existing garages with installation of roof light and alterations to openings of flood wall and gate to front

    1 Beehive Green, Welwyn Garden City, AL7 4BE

    Received 2 Nov 2016
  4. Decided - Granted6/2016/0608/LAWP

    Loft conversion with two rooflights to the rear elevation and one window to the gable end

    6 Colgrove, Welwyn Garden City, AL8 6HU

    Received 22 Mar 2016
  5. Decided - WithdrawnN6/2014/2664/FP

    Erection of a detached dwelling

    14 The Avenue Welwyn AL6 0PN

    Received 10 Dec 2014
  6. Decided - Withdrawn6/2017/1407/FULL

    Change of Use from former pre-school (D1) to cafe/retail unit (A1/A3) including erection of porch, extension or rear loggia, installation of windows and doors and internal alterations

    Former Brocket pre-school, Brocket Park, Marford Road, Lemsford, WELWYN GARDEN CITY, AL8 7XG

    Received 28 Jun 2017
  7. Decided - Refused6/2016/2651/HOUSE

    Erection of single storey rear extension with alterations to fenestrations and openings; Alteration to existing roof and installation of two bay windows to rear elevation at two storey height; Erection of a poolhouse (outbuilding) following demolition of existing storage building.

    37 The Ridgeway, Cuffley, Potters Bar, EN6 4BB

    Received 14 Dec 2016
  8. Decided - GrantedS6/2015/1367/FP

    Erection of detached timber garden room

    3 Lockley Crescent Hatfield AL10 0TL

    Received 23 Jun 2015
  9. Decided - Granted6/2020/2893/COND

    Submission of details pursuant to condition 1(proposed new skirting boards and fireplace) on listed building consent 6/2020/1379/LB

    Essendon House Church Street Essendon AL9 6AR

    Received 2 Nov 2020
  10. Decided - Refused6/2016/0992/LAWP

    Certificate of lawfulness for proposed single storey rear extension

    32 De Havilland Close Hatfield AL10 0DR

    Received 19 May 2016
  11. Decided - Granted6/2020/1898/EMT

    Reduce plum tree by 30% and fell ash.

    60 Handside Lane Welwyn Garden City AL8 6SJ

    Received 31 Jul 2020
  12. Decided - Granted6/2021/0247/HOUSE

    Erection of a single storey rear extension, following demolition of existing rear conservatory and partial demolition of detached outbuilding.

    44 Beehive Lane Welwyn Garden City AL7 4BP

    Received 27 Jan 2021
  13. Decided - Granted6/2016/0218/HOUSE

    Erection of single storey rear extension

    14 Elm Gardens, Welwyn Garden City, AL8 6RY

    Received 9 Feb 2016
  14. Decided - Granted6/2020/2943/HOUSE

    Erection of ground floor front extension

    4 Windsor Close Welwyn AL6 9JZ

    Received 10 Nov 2020
  15. Appeal Decided - AllowedS6/2014/1143/AG

    Proposed storage shed

    The Warren, Newgate Street, Hertford, SG13 8NH

    Received 2 Jun 2014
  16. Decided - Granted6/2022/0747/COND

    Submission of details pursuant to condition 1(a) (site characterisation) and 1(b) (submission of remediation scheme); Condition 2 (Construction Management Plan); Condition 3 (Footpath); and Condition 6 (Cycle Storage) on planning application 6/2020/0825/FULL

    Groundwork East Mill Green Hertford Road Hatfield AL9 5PE

    Received 29 Mar 2022
  17. Decided - Granted6/2022/0677/HOUSE

    Erection of single storey side and rear extensions following demolition of conservatory

    10 Drycroft Welwyn Garden City Hertfordshire AL7 4DH

    Received 22 Mar 2022
  18. Decided6/2024/1765/TC

    1 x Elderberry to remove to ground level. This tree is declining. 1 x Plum to remove to ground level. This is dead. 1 x Apple (dead) to remove to ground level. This is dead

    32 Valley Road Welwyn Garden City AL8 7DN

    Received 12 Sept 2024
  19. Decided - Granted6/2022/2498/EMT

    1 x Multi stemmed Hawthorn tree (no2 on attached plan) To reduce 2 large main stems growing over left hand boundary back to 1st main upright stems which are located approx. 2ft over neighbour's boundary line. (no12 Coneydale) And to reduce lateral branches in upper crown to balance. 0% reduction in overall height, 30-40% reduction in mass.

    10 Coneydale Welwyn Garden City AL8 7RZ

    Received 1 Nov 2022
  20. Decided6/2021/0981/TC

    1 x Beech to reduce by 3m height & 2m width 1 x American Sweet Gum to reduce by 2m height & 1.2m width

    8 Sheepcote Welwyn Garden City AL7 4QD

    Received 25 Mar 2021
  21. Decided - Granted6/2017/0599/HOUSE

    Erection of single storey rear extension

    56 Parkway Welwyn Garden City AL8 6HH

    Received 24 Mar 2017
  22. Decided - Granted6/2021/2203/TPO

    T1 Norway Maple 'Crimson King' reduce crown size by approx. 20 -25%

    9 New Place Welwyn AL6 9QA

    Received 21 Jul 2021
  23. Decided - Granted6/2023/0764/HOUSE

    Erection of a two storey rear extension, garage conversion with addition of bay window to rear, insertion of roof lights, garden shed, drive extension with removal of tree and planting of replacement tree and alterations to openings on side and rear elevations

    17 Elmwood Welwyn Garden City AL8 6LD

    Received 6 Apr 2023
  24. Decided - GrantedS6/2013/2052/FP

    Enlargement of Dotcom yard with erection of a close boarded fence

    Tesco Stores Ltd Great North Road Hatfield AL9 5JY

    Received 20 Sept 2013

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.

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