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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
24,569Searchable applications
313Recorded as pending
86%Approval rate · 20,140 approved or refused records
2,786Refused applications

17,354 approved · 2,786 refused · 1,287 withdrawn. Received dates in our records: 5 Jan 2005 to 2 Oct 2026. Most recent record check: 15 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2023/1475/TPO

    T2 - TPO385 T3- Reduce Hornbeam tree by about 30%, removing no more than 2.5 meters growth all round. T6 - TPO385 T2 - Lift the canopy of the Oak tree to about 3-4 meters and reduce back the lowest lateral limb overhanging the property by removing no more than 2 meters growth. T9 - TPO385 T1 - Remove the lowest 3 limbs of the Oak tree that overhang the carpark to lift the canopy to about 3-4 meters(Car park side only).

    Five Oaks Sandifield Hatfield AL10 8HY

    Received 17 Jul 2023
  2. Decided - Split6/2018/0460/COND

    Submission of details pursuant to condition 7 (archaeological written scheme of investigation) on listed building consent 6/2017/1247/LB, dated 16/08/2017

    Bush Hall Hotel Chequers Hatfield AL9 5NT

    Received 13 Feb 2018
  3. Appeal Decided - Dismissed6/2019/0470/HOUSE

    Erection of part one, part two storey side extension and alterations to parking layout

    6 Hanbury Cottages, Hanbury Lane, Essendon, Hatfield, AL9 6AY

    Received 1 Mar 2019
  4. Decided - Granted6/2016/2722/HOUSE

    Erection of part first floor rear extension, roof lantern and increase in roof height to existing rear extension, front porch with WC and pitched roof across garage and porch.

    24 Elmoor Avenue Welwyn AL6 9PD

    Received 23 Dec 2016
  5. Decided - Granted6/2023/0553/HOUSE

    Erection of a part single, part two storey rear extension and front porch

    65 London Road Welwyn AL6 9HU

    Received 13 Mar 2023
  6. Decided - Refused6/2023/1793/HOUSE

    Erection of a single storey, part two storey rear extension and enlargement of porch

    56 College Lane Hatfield AL10 9PQ

    Received 29 Aug 2023
  7. Decided - Granted6/2018/1784/EM

    Formation of single driveway

    15 Great Ganett Welwyn Garden City AL7 3DA

    Received 9 Jul 2018
  8. Decided6/2023/1731/TC

    1 x Conifer Tree to fell in rear garden

    75 Knightsfield Welwyn Garden City AL8 7JE

    Received 16 Aug 2023
  9. Decided - Refused6/2021/2456/LAWP

    Certificate of lawfulness for the installation of 2 x external air conditioning units

    160 Hollybush Lane Welwyn Garden City AL7 4JU

    Received 23 Aug 2021
  10. Decided6/2019/2520/TC

    Fell 1 x Hazel tree Reduce 1 x Hawthorn by 3m height & 1m width

    189 Handside Lane Welwyn Garden City AL8 6TE

    Received 9 Oct 2019
  11. Decided - Granted6/2019/1367/HOUSE

    Erection of two storey side and rear extensions and replacement roof with chimney following demolition of existing conservatory and chimney

    62 Brookmans Avenue Brookmans Park Hatfield AL9 7QQ

    Received 6 Jun 2019
  12. Decided - Granted6/2019/0625/EM

    Raising of parapet near garage, replacement of garage door, roof and alterations to openings

    125 Handside Lane Welwyn Garden City AL8 6TA

    Received 15 Mar 2019
  13. Decided - Granted6/2016/0986/HOUSE

    Erection of single storey side and rear extension

    19 Marley Road, Welwyn Garden City, AL7 4BT

    Received 18 May 2016
  14. Decided - Granted6/2019/0631/HOUSE

    Erection of single storey rear extension

    7 Bluebridge Road Brookmans Park Hatfield AL9 7UP

    Received 18 Mar 2019
  15. Decided - Granted6/2018/2016/EM

    Reduce height of 1 x Willow tree by around 4m and fell 1 x Lawson Cypress tree

    6 High Oaks Road Welwyn Garden City AL8 7BH

    Received 1 Aug 2018
  16. Decided - Granted6/2022/0972/HOUSE

    Single storey rear extension

    361 Knightsfield Welwyn Garden City Hertfordshire AL8 7NB

    Received 25 Apr 2022
  17. Decided - Refused6/2024/0453/EM

    Erection of a two storey rear-side wrap around extension to single dwelling house plus installation new front windows at ground and first floor levels. Relocation of entrance door to front side extension elevation facing main highway

    125 Dawley Welwyn Garden City AL7 1EB

    Received 8 Mar 2024
  18. Decided - Granted6/2023/0998/COND

    Submission of details pursuant of condition 1 (noise) on planning permission 6/2022/2197/FULL

    Booker Cash And Carry Hatfield Business Park Frobisher Way Hatfield AL10 9TR

    Received 10 May 2023
  19. Decided - Granted6/2019/1004/HOUSE

    Erection of a single storey rear extension

    39 Osborne Road Little Heath Potters Bar EN6 1SB

    Received 25 Apr 2019
  20. Decided - Granted6/2019/1436/EM

    Erection of a garden room

    170 Blythway Welwyn Garden City AL7 1DU

    Received 13 Jun 2019
  21. Decided - Granted6/2025/1350/EMT

    Cotoneaster to reduce by 1.5m height and width, lift off shed by 1m - Reducing to maintain size for garden and prevent branches rubbing and hitting the roof

    258 Daniels Welwyn Garden City AL7 1QE

    Received 27 Jun 2025
  22. Decided - Granted6/2022/1237/EM

    Installation of new front door

    54 Haldens Welwyn Garden City AL7 1DB

    Received 26 May 2022
  23. Decided - Refused6/2023/1614/COND

    Confirmation that condition 2 (full details or samples of materials) and condition 3 (full details of the fenestration and materials of windows agreed by Local Planning Authority) on planning permission N6/2006/1055/FP has been discharged

    9 Handside Lane Welwyn Garden City AL8 6SE

    Received 4 Aug 2023
  24. Decided - Granted6/2026/0274/EM

    Removal of 90cm of the front hedge to enable car access. To enable the use of suitable place for two cars on the driveway already exists but the hedge needs to be reduced a bit to enable free access for both cars and unconstrained use of EV charger

    64 Moorlands Welwyn Garden City AL7 4QG

    Received 17 Feb 2026

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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  • 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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