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
35,715Searchable applications
331Recorded as pending
86%Approval rate · 29,756 approved or refused records
4,033Refused applications

25,723 approved · 4,033 refused · 1,870 withdrawn. Received dates in our records: 29 Apr 1948 to 16 Oct 2026. Most recent record check: 23 Oct 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026

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 - GrantedN6/2014/2007/DS

    Approval of details reserved by condition 3 (landscaping) of Planning Permission N6/2014/1002/FP

    6 Firway Welwyn AL6 0RD

    Received 9 Sept 2014
  2. Decided - Granted6/2021/2504/HOUSE

    Erection of two storey side extension, single storey rear extension, link building, installation of two dormer windows, front porch canopy and associated landscaping.

    12 The Ridgeway Cuffley Potters Bar EN6 4AR

    Received 26 Aug 2021
  3. Appeal Decided - DismissedN6/2014/0122/FP

    Alterations to existing garage

    10 Sharmans Close Digswell Welwyn AL6 0AR

    Received 23 Jan 2014
  4. Decided - Refused6/2019/2203/FULL

    Erection of 3 x dwellings with associated works to include garages, landscaping with woodland planting and improvements to public footpath following the demolition of existing buildings that comprise of kennels, stables and a bungalow

    Tylersley Farm Tylers Causeway Newgate Street Hertford SG13 8QN

    Received 5 Sept 2019
  5. Decided - Granted6/2017/0114/LAWP

    Certificate of Lawfulness for proposed erection of front porch.

    31 The Cloisters Welwyn Garden City AL8 6DU

    Received 23 Jan 2017
  6. Decided - Granted6/2020/0316/HOUSE

    Erection of single storey front and two storey side extension following demolition of existing garage and front extension

    99 Robbery Bottom Lane Welwyn AL6 0UL

    Received 4 Feb 2020
  7. Decided - GrantedS6/2008/1312/FP

    ERECTION OF SINGLE STOREY SIDE AND PART TWO STOREY REAR EXTENSION. NEW ROOF CONFIGURATION TO PROVIDE FIRST FLOOR ACCOMMODATION WITH ONE NEW FRONT DORMER, TWO SIDE ROOFLIGHTS, REAR JULIETTE BALCONY AND REPLACEMENT CHIMNEY FOLLOWING DEMOLITION OF EXISTING CONSERVATORY AND GARAGE

    13 THE MEADWAY, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4ET

    Received 26 Jul 2008
  8. Decided - GrantedN6/2009/1229/TC

    CROWN REDUCTION OF TWO OAK TRESS BY 25% IN REAR OF GARDEN AND REMOVAL OF ONE PINE TREE AT FRONT OF PROPERTY

    51 ATTIMORE ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6LG

    Received 22 Jun 2009
  9. Appeal Decided - Dismissed6/2021/2467/FULL

    Erection of a single storey workspace office/artist studio.

    Land adjacent to 26 Starling Lane Cuffley Potters Bar EN6 4JX

    Received 23 Aug 2021
  10. Decided - GrantedS6/2014/1657/FP

    Erection of single storey rear extension

    Tollgate Cottages, 4 Bullens Green Lane, St Albans, AL4 0QT

    Received 22 Jul 2014
  11. Decided - Refused6/2017/0703/LAWP

    Certificate of lawfulness for the erection of a single storey rear extension at ground level.

    4A The Drive Welwyn AL6 0TR

    Received 4 Apr 2017
  12. Decided - Granted6/2016/1549/VAR

    Variation of condition 1 (drawings) on planning permission N6/2014/0208/DE

    Former The Frythe 5 Digswell Hill Welwyn AL6 9AR

    Received 29 Jul 2016
  13. Decided - GrantedC6/1988/0766/FP

    Erection of an industrial building with associated storage / offices (Class B2) and car parking

    Swallowfields

    Received 1 Jan 1988
  14. Decided - Granted6/2018/0273/COND

    Submission of details pursuant to condition 11 (proposed maintenance regimes and end of life replacement strategy) on planning permission 6/2017/2141/VAR

    Land east of Bessemer Road Welwyn Garden City AL7 1HJ

    Received 29 Jan 2018
  15. Decided - Granted6/2016/1339/ADV

    Installation of 2no. polished steel illuminated building signs fixed to existing staircase towers and 2no. material flags fixed to existing flag poles.

    T-Mobile 61157, Trident Place, 1-5 Mosquito Way, Hatfield, AL10 9BW

    Received 1 Jul 2016
  16. Decided - Granted6/2020/2961/EMT

    T1 - Pine - Reduce in height by 4m T2 - Eucalyptus - Reduce in height by 4m

    139 Parkway Welwyn Garden City AL8 6JB

    Received 11 Nov 2020
  17. Decided - Granted6/2022/1117/LB

    Alterations to rear wall to facilitate single storey rear extension following demolition of existing structure.

    28 Lemsford Village Welwyn Garden City AL8 7TN

    Received 16 May 2022
  18. Decided - Refused6/2017/2675/EM

    Fell 2 x unknown species trees

    73 Thistle Grove Welwyn Garden City AL7 4AG

    Received 15 Nov 2017
  19. Decided - GrantedS6/2014/1816/FP

    Erection of single storey rear extension, alterations to garage to form study and external render finish

    6 Bradmore Way, Brookmans Park, Hatfield, AL9 7QX

    Received 14 Aug 2014
  20. Decided - Granted6/2020/1742/PN8

    Prior approval for single storey rear extension

    76 College Lane Hatfield AL10 9PQ

    Received 14 Jul 2020
  21. Decided - Granted6/2020/1253/HOUSE

    Erection of a single storey front extension, incorporating a front porch. Partial conversion of existing garage to facilitate the erection of a single storey, part two storey rear extension with 2 x Juliette Balconies, a first floor side/front extension and alterations to fenestration.

    4 Pleasant Rise Hatfield AL9 5DS

    Received 4 Jun 2020
  22. Decided - Granted6/2024/1275/EM

    Replace the existing pool house and the weathered front and rear gates with new ones

    6 Hall Grove Welwyn Garden City AL7 4PN

    Received 5 Jul 2024
  23. Decided - GrantedS6/2008/1866/LU

    CERTIFICATE OF LAWFULNESS FOR THE ERECTION OF SUMMER HOUSE/GAMES ROOM

    15 OAKLANDS AVENUE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7UH

    Received 30 Sept 2008
  24. Decided - GrantedN6/2013/0394/FP

    Erection of single storey rear extension and replacement of door with window

    2 Coneydale, WELWYN GARDEN CITY, AL8 7RY

    Received 21 Feb 2013

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

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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.

  • 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.

  • 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.

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.

Check collection coverage