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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
24,871Searchable applications
313Recorded as pending
86%Approval rate · 20,410 approved or refused records
2,810Refused applications

17,600 approved · 2,810 refused · 1,313 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Refused6/2017/1646/HOUSE

    Erection of hip to gable extension and installation of front and rear dormers to facilitate loft conversion to habitable space.

    2 Moffats Lane Brookmans Park Hatfield AL9 7RU

    Received 26 Jul 2017
  2. Decided - Granted6/2021/0576/HOUSE

    Retrospective planning application for replacement garage

    1 Heath Road Welwyn AL6 0TP

    Received 23 Feb 2021
  3. Decided - Granted6/2019/0213/HOUSE

    Erection of two storey rear extension with alterations to openings

    97 The Commons Welwyn Garden City AL7 4RZ

    Received 1 Feb 2019
  4. Decided - Granted6/2025/1395/EM

    Erection of a part single and part two storey rear extension, single storey side extensions on eitherside of the dwelling and erection of a detached garage following the demolition of the existing detached garage, balcony and single storey extensions. Alterations to fenestration and hard and soft landscaping

    1 Mannicotts Welwyn Garden City AL8 7BW

    Received 3 Jul 2025
  5. Decided - Granted6/2023/2319/EM

    Erection of single storey rear conservatory

    2 Pitsfield Welwyn Garden City AL8 7SJ

    Received 17 Nov 2023
  6. Decided - Granted6/2018/1248/EM

    Reduce 1 x Honey Locust tree

    28 Handside Lane Welwyn Garden City AL8 6SF

    Received 8 May 2018
  7. Decided - Granted6/2026/1041/EM

    Replace existing concrete driveway with resin bound gravel

    5 Daniells Welwyn Garden City AL7 1QY

    Received 15 Jun 2026
  8. Decided - Granted6/2018/2995/COND

    Submission of details pursuant to conditions 2 (Material Samples) and 3 (Scaled Plan of both hard and soft landscape) on planning permission 6/2015/1984/FULL

    2 New Road Welwyn Garden City AL8 7TX

    Received 22 Nov 2018
  9. Decided - Granted6/2021/0308/TPO

    Felling works to restore woodland in accordance with management plan - limited to no more than 5m3 per calender quarter

    10 Newgate Street Village Hertford SG13 8RA

    Received 1 Feb 2021
  10. Decided - Granted6/2020/1576/HOUSE

    Installation of 2x front facing rooflights, gable end window and 2x rear facing rooflights to facilitate loft conversion

    40 The Swallows Welwyn Garden City AL7 1BY

    Received 2 Jul 2020
  11. Decided - Granted6/2025/0337/LAWP

    Certificate of lawfulness for the erection of single storey side extension, single storey rear extension, ground floor rear window bay

    32 Vineyards Road Northaw Potters Bar EN6 4PA

    Received 24 Feb 2025
  12. Decided - Granted6/2015/2174/VAR

    Variation of condition 5 (retain car parking area) on planning permission S6/1998/0272/FP (Part cosmetic mansard and part full mansard incorporating 3 No. flats (amendments to planning permission S6/0986/90/FP))

    37 Lambs Close Cuffley Potters Bar EN6 4HD

    Received 21 Oct 2015
  13. Decided - Granted6/2019/1286/EM

    Fell 1 x Norway Spruce

    5 Coneydale Welwyn Garden City AL8 7RX

    Received 29 May 2019
  14. Decided - Granted6/2024/2418/MAJ

    Demolition of existing dwelling and other structures on site, and erection of 64 new homes, including new vehicular, pedestrian and cycle access to Station Road, pedestrian, cycle and emergency access only to Welham Manor, and associated groundworks, structures, landscaping, services and other infrastructure works

    Land south of Welham Manor and west of Station Road, including 26 Station Road Welham Green AL9 7EL

    Received 23 Dec 2024
  15. Decided - Granted6/2022/0799/HOUSE

    Erection of detached garage, ground and first floor side and rear extension with new roof design and rear dormers. Proposed landscape works including the raising of patio to ground floor rear level to cover the existing pool to lower ground to create a spa complex, seating and shisha room.

    34 The Ridgeway Cuffley Potters Bar EN6 4AX

    Received 31 Mar 2022
  16. Decided - Granted6/2020/2369/TPO

    Prune 2 hornbeam trees back to previous prunung points

    8 Bluebells Welwyn AL6 0XD

    Received 16 Sept 2020
  17. Decided - Granted6/2023/1997/HOUSE

    Erection of outbuilding following the removal of the existing shipping containers

    7 Danesbury Lane Welwyn AL6 9SG

    Received 28 Sept 2023
  18. Decided - Granted6/2018/1818/ADV

    Two non-illuminated pole mounted free standing sign

    Roundabout, Bessemer Road

    Received 10 Jul 2018
  19. Decided - Granted6/2020/2259/EM

    Replacement of boundary fence at front between property and neighbour at 40. Replacement will be like for like. Replacement due to fence panels having rotted.

    38 Mount Way, Welwyn Garden City, AL7 4LB

    Received 3 Sept 2020
  20. Decided - Refused6/2017/1675/FULL

    Erection of detached dormer bungalow with rooms in the roof following demolition of existing bungalow

    The Spinney Tylers Causeway Newgate Street Hertford SG13 8QN

    Received 30 Jul 2017
  21. Decided - Refused6/2024/2365/PN8

    Prior approval for the erection of a single storey extension measuring 8m in depth, 3.1m to the eaves and 3.5 in height

    Digswell Place, Northwood Lodge Rectory Road Welwyn Garden City AL8 7SU

    Received 10 Dec 2024
  22. Decided - Granted6/2018/2609/HOUSE

    Installation of a secure underground car lift on the front driveway

    91 Brookmans Avenue, Brookmans Park, Hatfield, AL9 7QG

    Received 11 Oct 2018
  23. Decided - Granted6/2020/1486/LB

    Alterations to windows to front elevations and Installation of new roof lights

    71 The Ryde Hatfield AL9 5DN

    Received 24 Jun 2020
  24. Decided - Refused6/2022/0064/HOUSE

    Erection of side facing dormer to existing first floor rear bedroom

    85 Attimore Road Welwyn Garden City AL8 6LG

    Received 11 Jan 2022

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

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    Planning permission drawings: how to read plans

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    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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