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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
22,769Searchable applications
313Recorded as pending
86%Approval rate · 18,520 approved or refused records
2,608Refused applications

15,912 approved · 2,608 refused · 1,178 withdrawn. Received dates in our records: 5 Jan 2005 to 2 Oct 2026. Most recent record check: 14 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2019/1253/HOUSE

    Erection of rear garden room

    17 Danesbury Park North Ride Welwyn AL6 9SA

    Received 16 May 2019
  2. Decided6/2018/1850/TPO

    Prune T1 Hawthorne located at the right side rear garden according to the following specifications: • Clean to remove all dead, diseased and broken branches 2 centimetres in diameter and larger throughout crown • Reduce crown height by approximately 4-5 metres .- Conservation area -

    9 Brockett Close Welwyn Garden City AL8 7BN

    Received 16 Jul 2018
  3. Decided6/2026/1256/TC

    1 x Hornbeam to reduce by approx 3m height and width.

    94 Parkway Welwyn Garden City AL8 6HL

    Received 16 Jul 2026
  4. Decided - Granted6/2019/2378/FULL

    Formation of temporary car park to accommodate for 48 spaces, for a duration of two years with associated physical works

    1 & 1A Town Centre Hatfield AL10 0JZ

    Received 24 Sept 2019
  5. Decided - Granted6/2017/2685/COND

    Submission of details pursuant to condition 5 (material samples) on estate management permission 6/2017/0271/EM

    25 Fordwich Road Welwyn Garden City AL8 6EX

    Received 10 Nov 2017
  6. Decided - Refused6/2021/0475/HOUSE

    Erection of first floor rear extension and double storey side extension following demolition of existing garage and alterations to fenestration.

    136 Cole Green Lane Welwyn Garden City AL7 3JE

    Received 15 Feb 2021
  7. Decided - Granted6/2022/1903/EM

    Erection of a single storey rear extension

    13 Digswell Park Road Welwyn Garden City AL8 7NW

    Received 16 Aug 2022
  8. Decided - Withdrawn6/2018/1154/LAWP

    ****DO NOT ISSUE YET ON HOLD Pending discussion with case officer *****Certificate of lawfulness for the erection of a garden studio

    1 Douglas Close Digswell Welwyn AL6 0DT

    Received 2 May 2018
  9. Decided - Granted6/2017/2093/HOUSE

    Erection of single storey rear extension & front porch

    24 Pippens Welwyn Garden City AL8 7AB

    Received 15 Sept 2017
  10. Decided - Granted6/2020/1813/HOUSE

    First floor rear extension

    2 Maran Avenue Welwyn AL6 9HS

    Received 23 Jul 2020
  11. Decided - Refused6/2022/2264/FULL

    Change of use of amenity land to residential, following the removal and repositioning of boundary wall

    2 Brooksfield Welwyn Garden City Hertfordshire AL7 2BJ

    Received 29 Sept 2022
  12. Decided6/2024/1490/TC

    An old Apple tree (2 on plan), which is falling over and will damage the boundary fence and a neighbour's shed, to be felled. A wild plum (1 on plan) as is leaning over the neighbour's garden and damaging the fence.

    44 Attimore Road Welwyn Garden City AL8 6LP

    Received 5 Aug 2024
  13. Decided - Granted6/2019/0840/HOUSE

    Erection of single storey rear extension, following demolition of existing rear conservatory

    22 Waterbeach Welwyn Garden City AL7 2PT

    Received 8 Apr 2019
  14. Decided - Granted6/2016/2714/HOUSE

    Erection of two storey rear and side extensions

    2 - 4 The Paddocks Welwyn Garden City AL7 2BP

    Received 21 Dec 2016
  15. Decided - Granted6/2024/1409/FULL

    Retrospective application for the erection of 4no. timber framed garden pods with polycarbonate roof to the rear garden, use of part of the existing rear storage outbuilding to garden bar servery, retention of the existing stretched tent located to the rear of the premises

    The White Horse 30 Mill Lane Welwyn AL6 9ET

    Received 24 Jul 2024
  16. Decided6/2022/1944/TC

    T1 - Lombardy poplar - Marked on plan located at rear of garden. Very tall. Reduce by 6-8 m in height (by approx 1/3) to minimise risk/increase light to garden

    47 Fordwich Road Welwyn Garden City AL8 6EY

    Received 19 Aug 2022
  17. Decided - Refused6/2021/1988/COND

    Submission of details pursuant to condition 4 (care home site elements), on planning permission N6/2011/0359/OP

    Oakview Lodge Princes Avenue Welwyn Garden City AL7 4DT

    Received 30 Jun 2021
  18. Decided6/2021/3488/TC

    2 Lime trees - Routine tree maintenance crown reduction to previous pollard points by 8ft in height and up to between 4-6 feet in width on each side.

    320 Knightsfield Welwyn Garden City AL8 7NQ

    Received 15 Dec 2021
  19. Decided6/2025/1579/TC

    1 x Oak tree at from of property. 40% crown reduction. This tree overhangs the public highway, my driveway and garage. 1 x Hazel tree at rear of property 40% crown reduction. This tree is very close to my neighbour's property. 1 x Hornbeam. Removal. This tree seems very poorly. It produces fewer leaves year on year. I'm very concerned about it as it is in close proximity to my property and my neighbour's property. I would replace it with another hornbeam.

    8 The Glade Welwyn Garden City AL8 7LG

    Received 22 Jul 2025
  20. Decided - Granted6/2018/3107/HOUSE

    Erection of an annexe

    63 Stockbreach Road Hatfield AL10 0AU

    Received 5 Dec 2018
  21. Decided6/2017/2461/COND

    Confirmation that conditions have been complied with - C6/0761/84/OP

    12 Lincoln Close Welwyn Garden City AL7 2NN

    Received 24 Oct 2017
  22. Decided - Granted6/2023/1236/COND

    Submission of details pursuant to condition number 1 (crown roof), on planning permission 6/2023/0467/HOUSE

    110 Guessens Road Welwyn Garden City AL8 6RS

    Received 12 Jun 2023
  23. Decided - Granted6/2025/2202/HOUSE

    Retention of single storey side and rear extensions and garage conversion

    27 Warwick Avenue Cuffley Potters Bar EN6 4RS

    Received 16 Oct 2025
  24. Decided - Refused6/2023/0937/FULL

    Construction of a replacement dwellinghouse with car garage and separate garden store and construction of a new detached residential annex (demolition of existing bungalow)

    Tylersley Farm Tylers Causeway Newgate Street Hertford SG13 8QN

    Received 2 May 2023

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

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.

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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.

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    Published Updated

  • 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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    Published Updated

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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