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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
40,297Searchable applications
283Recorded as pending
86%Approval rate · 33,821 approved or refused records
4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 8 Nov 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 Counts reflect the last collected status; some records may be out of date.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 - Refused6/2021/2230/HOUSE

    Erection of front boundary wall and sliding access gate

    6 Stanborough Cottages Great North Road Welwyn Garden City AL8 7TE

    Received 26 Jul 2021
  2. Decided - Refused6/2023/1341/LAWP

    Certificate of lawfulness for loft conversion works including insertion of rooflights

    9 Northaw Place Coopers Lane Northaw Potters Bar EN6 4NQ

    Received 29 Jun 2023
  3. Decided - WithdrawnS6/2007/0630/FP

    PROPOSED CHANGE OF USE FROM SINGLE TO MULTIPLE OCCUPANCY.

    2 Queen Bee Court Hatfield AL10 9PR

    Received 20 Apr 2007
  4. Decided - Granted6/2020/1960/EM

    Internal refurbishment to HMO and rear single storey extension under permitted development

    27 Whitethorn Welwyn Garden City AL7 3EX

    Received 6 Aug 2020
  5. Decided - Split6/2023/0191/COND

    Submission of details pursuant to condition number 2 (construction management plan), on planning permission 6/2020/3420/MAJ

    Biopark Broadwater Road Welwyn Garden City AL7 3AX

    Received 25 Jan 2023
  6. Decided - GrantedW6/2007/0303/EM

    ERECTION OF REAR GARDEN SHED

    97 Woodhall Lane, Welwyn Garden City, AL7 3TH

    Received 26 Feb 2007
  7. Decided - Granted6/2018/2066/HOUSE

    Erection of two storey front extension and single storey rear extension

    22 Upland Drive Brookmans Park Hatfield AL9 6PT

    Received 8 Aug 2018
  8. Decided - Refused6/2020/0141/EM

    Formation of hardstanding for vehicle crossing and erection of summerhouse at the rear

    3 Sandpit Road Welwyn Garden City AL7 3TW

    Received 20 Jan 2020
  9. Decided - RefusedW6/2014/0850/EM

    Formation of vehicle crossover and hardstanding

    27 The Croft, Welwyn Garden City, AL7 4JY

    Received 22 Apr 2014
  10. Appeal Decided - Dismissed6/2017/2554/HOUSE

    Erection of single storey rear flat roof extension including two rooflights.

    22 Brocket Road Welwyn Garden City AL8 7TY

    Received 6 Nov 2017
  11. Decided - Granted6/2015/2498/HOUSE

    Erection of two storey and single storey rear extension and alterations

    48 Raymonds Plain, Welwyn Garden City, AL7 4TF

    Received 14 Dec 2015
  12. Decided - Granted6/2022/1554/LAWP

    Certificate of lawfulness for the erection of a single storey rear extension’

    51 Boundary Lane Welwyn Garden City AL7 4EG

    Received 4 Jul 2022
  13. Decided - Withdrawn6/2018/1339/HOUSE

    Alterations to roof formation

    28 Sutherland Avenue Cuffley Potters Bar EN6 4EQ

    Received 21 May 2018
  14. Decided - GrantedN6/2014/0927/FP

    Erection of single storey garden room following demolition of existing conservatory

    2 Rollswood Road Welwyn AL6 9TX

    Received 29 Apr 2014
  15. Decided - Granted6/2019/0471/EM

    Conversion of garage to habitable room and side porch extension including alterations to fenestration

    49 Marsden Green Welwyn Garden City AL8 6YD

    Received 28 Feb 2019
  16. Decided - Granted6/2016/2111/FULL

    Replacement of the existing extractor systems

    92 - 92b Haldens Welwyn Garden City AL7 1DD

    Received 10 Oct 2016
  17. Decided - Granted6/2016/0948/LAWE

    Certificate of lawfulness for the existing flat-end gable over the garage doors in the west-facing elevation of the property

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

    Received 13 May 2016
  18. Decided - Refused6/2019/1323/EM

    Formation of a hardstanding and replacement of path

    31 Marsden Road Welwyn Garden City AL8 6YQ

    Received 30 May 2019
  19. Decided - GrantedN6/2014/2246/TP

    Reduce and shape multistem sycamore by drive by 25% equating to 3m crown reduction all over, cut back maples by garage to give 3m clearance from garage building and fell elm by boiler house to ground level all covered by TPO 8 G1.

    6 New Place Welwyn AL6 9QA

    Received 10 Oct 2014
  20. Decided - Granted6/2015/2456/COND

    Approval of details reserved by condition 13(c) (validation report) on planning permission S6/2012/1928/PP

    University of Hertfordshire, College Lane, Hatfield, AL10 9AB

    Received 10 Dec 2015
  21. Decided - Granted6/2021/1958/EM

    Retention of existing hardstanding, along with creation of hedgerow and planting

    11 Cranborne Gardens Welwyn Garden City AL7 3NF

    Received 28 Jun 2021
  22. Decided - Refused6/2022/1414/HOUSE

    Insertion of two front facing dormers and two side dormers either side of the roofslope, erection of a two storey rear extension and conversion of loft into habitable space

    9 South Drive Cuffley Potters Bar EN6 4HP

    Received 20 Jun 2022
  23. Decided - WithdrawnN6/2006/0565/FP

    CHANGE OF USE OF AMENITY LAND TO VEHICULAR HARDSTANDING

    585 Howlands Welwyn Garden City AL7 4HT

    Received 2 May 2006
  24. Decided - Granted6/2021/1624/EM

    Loft conversion. New velux roof lights to existing front and side. New window to front and rear gables.

    14 Lemsford Lane Welwyn Garden City AL8 6YJ

    Received 20 May 2021

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

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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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