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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
21,519Searchable applications
298Recorded as pending
86%Approval rate · 17,411 approved or refused records
2,470Refused applications

14,941 approved · 2,470 refused · 1,104 withdrawn. Received dates in our records: 5 Jan 2005 to 30 Sept 2026. Most recent record check: 13 Oct 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026
Planning information Planning and buildingLocal plan Our Local PlanPre-application advice Pre-application advice (planning applications)Conservation areas Schedule of properties removed from the Welwyn Conservation AreaArticle 4 directions Article 4 Directions

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 - Withdrawn6/2018/1417/EM

    **** Withdraw Tree on Council land***** 1 x Norway Maple tree

    9 Robin Mead Welwyn Garden City AL7 1PP

    Received 29 May 2018
  2. Decided - Granted6/2023/1935/EM

    Installation of 12 solar panels - 8 on rear-facing roof and 4 on rear-facing ground floor flat roof

    47 Handside Lane Welwyn Garden City AL8 6SH

    Received 19 Sept 2023
  3. Decided - Granted6/2026/0702/HOUSE

    Erection of a first floor rear extension over existing terrace, ground floor rear extension and partial garage conversion

    14 Birkin Court Welwyn Garden City AL7 3FA

    Received 20 Apr 2026
  4. Decided - Refused6/2021/0100/EM

    Erection of single storey rear extension

    1 Mill Green Road Welwyn Garden City AL7 3UU

    Received 13 Jan 2021
  5. Decided - Granted6/2019/0201/HOUSE

    Erection of single storey side extension, garage conversion to habitable space and alterations to openings

    60 Carleton Rise Welwyn AL6 9RG

    Received 31 Jan 2019
  6. Decided - Granted6/2019/1054/HOUSE

    Raising of parapet to the front of the garage and new flat roof finish, with replacement of existing garage door and alterations to fenestration on front elevation

    125 Handside Lane Welwyn Garden City AL8 6TA

    Received 1 May 2019
  7. Decided - Granted6/2018/0294/HOUSE

    Extension and alterations to existing porch and roof at front of property

    1 Brookmans Avenue Brookmans Park Hatfield AL9 7QH

    Received 30 Jan 2018
  8. Decided - Granted6/2019/0587/COND

    Submission of details pursuant to condition 2 (detailed drawing showing the junction between new and existing roof) on listed building consent 6/2018/2664/LB

    The Manor House Hill Farm Lane Ayot St Lawrence AL6 9BP

    Received 13 Mar 2019
  9. Decided - Refused6/2018/2970/HOUSE

    Installation of gated access to front drive

    27 Tolmers Road Cuffley Potters Bar EN6 4JF

    Received 19 Nov 2018
  10. Decided6/2022/2368/TC

    T1 x Holly to reduce by 2m in height, cut back overhanging branches by 1m

    104 Parkway Welwyn Garden City AL8 6HL

    Received 12 Oct 2022
  11. Decided - Granted6/2023/1152/HOUSE

    Erection of a part two storey and single storey rear extension and single storey side extension

    25 Birchwood Close Hatfield AL10 0PP

    Received 31 May 2023
  12. Decided - Granted6/2023/1850/TPO

    T1 Silver birch tree to remove (as it is dying) TPO 108 G6

    31 Mardley Wood Welwyn AL6 0UY

    Received 5 Sept 2023
  13. Decided - Refused6/2025/2545/HOUSE

    Erection of single storey rear and side wrap around extension and first floor rear extension

    74 Peartree Lane Welwyn Garden City AL7 3UH

    Received 10 Dec 2025
  14. Decided6/2019/0777/TC

    Reduce 1x Cherry Tree 30% and 1x Conifer by 30% reduction -Conservation area

    18 Turmore Dale Welwyn Garden City AL8 6HS

    Received 1 Apr 2019
  15. Decided - Granted6/2020/0926/EMT

    Fell 1 x Lawson Cypress tree

    53 Parkway Welwyn Garden City AL8 6JF

    Received 24 Apr 2020
  16. Appeal Decided - Dismissed6/2019/2955/FULL

    Replacement of an existing 15.0m monopole with a 20.0m high monopole supporting 12 no. antenna apertures together with the installation of ground-based equipment cabinets

    Highways Land on Bessemer Road, Haldens, Welwyn Garden City, AL7 1ET

    Received 25 Nov 2019
  17. Decided - Granted6/2019/0181/EM

    Erection of first floor side and rear, single storey rear extensions with garage conversion and alterations to openings

    17 Barleycroft Road Welwyn Garden City AL8 6JX

    Received 25 Jan 2019
  18. Decided - Granted6/2021/1419/FULL

    Demolition of detached commercial unit (Use Class B8) and erection of detached, 3 storey mixed use building consisting of business use on the ground floor and 2 residential dwellings on the upper floors.

    53A Great North Road Welwyn Garden City AL8 7TL

    Received 5 May 2021
  19. Decided - Granted6/2024/0341/TPO

    T1 Pine, reduce overhanging branches over 15a The Drive by up to 1m to suitable growth points. Retaining 1.5-2m of canopy over the boundary line. T2 Beech, reduce overhanging branches over 15a The Drive by up to 2-3m to suitable growth points. Retaining 2-2.5m of canopy over the boundary line.

    17 The Drive Welwyn AL6 0TW

    Received 21 Feb 2024
  20. Decided - Withdrawn6/2017/2637/EM

    Erection of single storey rear extension with the installation of 1 x roof light

    38 Furzefield Road Welwyn Garden City AL7 3RJ

    Received 9 Nov 2017
  21. Decided - Split6/2018/2924/COND

    Submission of details pursuant to condition 1 (cycle spaces) and 4 (car parking spaces) on planning permission 6/2018/0543/FULL

    Norton Gym Norton Building Bridge Road East Welwyn Garden City AL7 1JR

    Received 14 Nov 2018
  22. Decided - Granted6/2021/0798/LAWP

    Certificate of lawfulness for the erection of a separate building to the rear of the dwellinghouse

    Lower Meadow Hill Farm Lane Welwyn AL6 9BW

    Received 11 Mar 2021
  23. Decided - Granted6/2021/3141/HOUSE

    Installation of solar panels onto rear, side and crown roof

    11 The Quadrangle Welwyn Garden City AL8 6SG

    Received 3 Nov 2021
  24. Decided - Granted6/2020/0462/TPO

    Fell 3 x Scots Pine subject to TPO 704 (2017) T1, TPO 704 (2017) T2 and TPO 704 (2017) T3.

    36 Robbery Bottom Lane Welwyn AL6 0UN

    Received 18 Feb 2020

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

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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

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  • 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.

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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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