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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 9 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 Counts reflect the last collected status; some records may be out of date.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 building Local plan Our Local Plan Pre-application advice Pre-application advice (planning applications)Conservation areas Schedule of properties removed from the Welwyn Conservation Area Article 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

Under Consideration6/2026/1550/FULL
Erection of dwelling following demolition of existing dwelling
73 Mymms Drive Brookmans Park AL9 7AA
Received 7 Sept 2026
Decided - Granted6/2024/1464/HOUSE
Erection of two storey wrap around and front extension, single storey rear extension and front porch, roof alterations including crown roof, conversion of garage to habitable space and fenestration alterations
28 Upland Drive Brookmans Park AL9 6PT
Received 2 Aug 2024
Decided - Granted6/2025/2346/HOUSE
Erection of single storey rear infill extension, roof alterations with front and rear dormers, side and rear rooflights and side access ramp following the demolition of existing conservatory.
51 Brookside Crescent Cuffley Potters Bar EN6 4QP
Received 6 Nov 2025
Decided - GrantedW6/2015/1124/TE
Removal of 5 Sycamore trees and reduce Conifer tree by 10ft
69 Valley Road, Welwyn Garden City, AL8 7DR
Received 26 May 2015
Decided - Granted6/2017/1312/HOUSE
Erection of 3 new timber fencing panels and associated support posts
26 Prospect Place Welwyn AL6 9EN
Received 16 Jun 2017
Under Consideration6/2022/1549/COND
Confirmation that all conditions on planning permission 6/2015/2213/MAJ have been discharged
Flats 1 - 60 Dakota House Bessemer Road Welwyn Garden City AL7 1GJ
Received 4 Jul 2022
Decided - Granted6/2016/0707/TPO
Reduce Ash tree by 20% - Conservation Area
97 Pentley Park, Welwyn Garden City, AL8 7SL
Received 1 Apr 2016
Decided6/2017/2520/TPO
Remove 2 x poor specimen Wild Cherry trees and replant a Himalayan Birch - Conservation Area
12 Pentley Close Welwyn Garden City AL8 7SH
Received 25 Oct 2017
Decided - Withdrawn6/2016/2138/TPO
Removal of four Oak trees, two Sycamore trees, one Birch tree and one Crab Apple tree plus, remove deadwood from Oak and Scots Pine trees covered by TPO 382 (2007)
37 The Ridgeway Cuffley Potters Bar EN6 4BB
Received 20 Sept 2016
Decided - Granted6/2026/1470/TPO
TPO 1016 1 x White Poplar to reduce upper canopy by approximately 10m height - Reduce upper canopy due to large volume of regrowth from historical reduction. Cavities and decay at old pruning wounds. Tree is close to neighbouring properties with a recent limb failure. 1 x White willow leaning over river to reduce by approximately 50% -tree is leaning heavily over river, reduction will prevent risk of failing. 1 x Goat willow to reduce by approximately 4m height and 3m width - tree is in decline, reduction is to stabilise upper canopy and allow retention of tree.
Glebe House Ellesfield Welwyn AL6 9HB
Received 20 Aug 2026
Decided - GrantedS6/2013/1682/NM
Non material amendment following approval of planning permission S6/2010/1616/FP - Internal layout to building reconfigured. Internal staircase relocated, double door with sidelights. East elevation changed to suit internal layout and basement reduced in size to accommodate single plant room accessed by concealed external staircase
70 Tolmers Road, Cuffley, POTTERS BAR, EN6 4JY
Received 2 Aug 2013
Decided - GrantedS6/2008/0752/DS
DISCHARGE OF CONDITION 3 OF PLANNING PERMISSION S6/2008/132/FP (MATERIALS)
Brookmans House, 71 Brookmans Avenue, Hatfield, AL9 7QG
Received 14 May 2008
DecidedN6/2008/2101/TE
TREE WORKS TO REDUCE CROWN BY 25%.
1 THE GLADE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7LG
Received 7 Nov 2008
Decided - Granted6/2018/0518/HOUSE
Erection of single storey front extension
22 Foxglove Close Hatfield AL10 8PH
Received 20 Feb 2018
Decided6/2021/2802/TC
T1 - 70ft Oak tree: to have a 30% crown reduction T2 - 80ft Oak tree: to have a 30% crown reduction
9 Roundwood Drive Welwyn Garden City AL8 7JZ
Received 29 Sept 2021
Decided - GrantedS6/2015/1499/FULL
Alterations to existing frontage, including erection of new canopy, new cladding, screen cladding, louvres, building number and new brise soleil. Alterations to existing fenestration and erection of new refuse store
71 Great North Road Hatfield AL9 5EN
Received 15 Jul 2015
Decided - Granted6/2019/1829/HOUSE
Erection of a single storey side and rear extension following demolition of garage
7 Hazel Close Digswell Welwyn AL6 0DJ
Received 24 Jul 2019
Decided - WithdrawnS6/2006/0554/FP
ERECTION OF TWO DETACHED DWELLINGS FOLLOWING DEMOLITION OF EXISTING DWELLING
67 TOLMERS ROAD, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4JJ
Received 27 Apr 2006
Decided - Granted6/2018/2331/EM
Fell 1 x Plum tree, reduce 1 x Willow tree by 30% and 1 x Crab Apple tree by 15 % in height and 10 % in circumference
35 Turmore Dale Welwyn Garden City AL8 6HT
Received 11 Sept 2018
Decided - Granted6/2026/0025/VAR
Variation of condition 15 (amendments to the approved scheme) on planning permission 6/2025/0781/FULL
The North Star 82 Great North Road Welwyn AL6 0TA
Received 7 Jan 2026
Decided - Granted6/2026/1339/EM
Erection of single storey rear extension following demolition of conservatory & alterations to openings
241 Daniells Welwyn Garden City AL7 1QD
Received 30 Jul 2026
Call In/Major Objection6/2026/0996/FULL
Erection of 6 new dwellings with associated vehicle access following demolition of existing building
Alter Ego Dance Studio 169 Knightsfield Welwyn Garden City AL8 7QG
Received 5 Jun 2026
Appeal Decided - Dismissed6/2024/2347/HOUSE
Erection of a two storey side extension, following demolition of existing single storey side extension
3 Rollswood Road Welwyn AL6 9TX
Received 5 Dec 2024
Decided - GrantedN6/2013/1694/TC
Removal of Frisia tree from rear garden
114 Parkway, Welwyn Garden City, AL8 6HN
Received 15 Aug 2013

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

View all applications

Get emailed about new planning applications in Welwyn Hatfield

Area alerts send a daily or weekly email with new applications and decisions near a postcode, filtered by project type. £29 a month, up to 3 areas. Records are limited to the councils we collect.

Set up an area alert

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.
UK research
Published 16 Jul 2026Updated 13 Sept 2026
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.
UK research
Published 6 Aug 2026Updated 13 Sept 2026
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.
UK research
Published 13 Aug 2026Updated 13 Sept 2026

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