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

39,862Searchable applications

298Recorded as pending

86%Approval rate · 33,422 approved or refused records

4,778Refused applications

28,644 approved · 4,778 refused · 2,186 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 28 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 Counts reflect the last collected status; some records may be out of date.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 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

Decided - Refused6/2023/2176/LAWE
Certificate of lawfulness for an outbuilding with covered area
15 Ramsey Close Brookmans Park Hertfordshire AL9 6NP
Received 25 Oct 2023
Decided - Granted6/2025/1334/HOUSE
Erection of front boundary wall with railings and gates
45 Osborne Road Little Heath Potters Bar EN6 1SB
Received 26 Jun 2025
Decided - GrantedC6/1988/0257/LB
Demolition and reconstructionn of utility room wall, with new windows to rear of property and associated alterations
The Elms, High Road, Hatfield, AL9 6HS
Received 1 Jan 1988
Decided - Granted6/2016/1341/TPO
Removal of Sycamore tree - Conservation Area
4 London Road, Welwyn, AL6 9EL
Received 30 Jun 2016
Decided - Granted6/2019/0259/EM
Fell 1 x Silver Birch tree
16 Fordwich Road Welwyn Garden City AL8 6EY
Received 5 Feb 2019
Appeal Decided - Dismissed6/2022/0686/HOUSE
Erection of single storey side extension for use as a garage
7 Swanland Road North Mymms Hatfield Hertfordshire AL9 7TG
Received 23 Mar 2022
Decided - GrantedS6/2013/1997/NM
Non material amendment following approval of planning permission S6/2013/0349/FP - Reduce window sizes and replacement of windows
45 Plough Hill, Cuffley, POTTERS BAR, EN6 4DP
Received 24 Sept 2013
Decided - Granted6/2021/2481/FULL
Demolition of existing dwelling and garage, and erection of a three storey, 5-bed, detached dwelling and garage
23A The Ridgeway Cuffley Potters Bar EN6 4BB
Received 24 Aug 2021
Decided - GrantedN6/2004/1034/FP
ERECTION OF SINGLE STOREY REAR EXTENSION
74 Parkway Welwyn Garden City AL8 6HH
Received 8 Jul 2004
Decided - Granted6/2016/1278/EM
Expansion of driveway
24 Roundwood Drive, Welwyn Garden City, AL8 7JZ
Received 27 Jun 2016
Decided - Granted6/2016/2253/EM
Erection of single and two storey rear extension and front window alterations
1 Brockswood Lane Welwyn Garden City AL8 7BA
Received 21 Oct 2016
DecidedS6/2014/2387/TN
Notice of intention to install electronic communications apparatus at the existing base station
Three Valleys Water Bishops Rise Hatfield AL10 9HL
Received 28 Oct 2014
Decided - Granted6/2023/2296/EMT
Fell dead tree of unknown species Prune willow tree in rear garden by 2-2.5m Reduce crab apple tree in front garden 15% in height and 10% in circumference
35 Turmore Dale Welwyn Garden City AL8 6HT
Received 14 Nov 2023
Decided - RefusedN6/2009/2599/TP
FELL ONE OAK TREE AND TWO HORNBEAM TREES
37A Turpins Ride Welwyn AL6 0QX
Received 26 Nov 2009
Decided - Granted6/2024/2295/EM
Construction of hardstanding
36 Digswell Road Welwyn Garden City AL8 7PA
Received 28 Nov 2024
Decided - GrantedS6/2015/1058/FP
Erection of first floor rear extension and single storey front extension
159 Crawford Road Hatfield AL10 0PB
Received 19 May 2015
Decided - Granted6/2017/0065/HOUSE
Erection of a part two storey, part single storey rear extension including a single storey side extension (retrospective)
14 Northaw Road West Northaw Potters Bar EN6 4NR
Received 16 Jan 2017
Decided - Granted6/2020/1279/HOUSE
Erection of single storey rear extension and garage conversion
8 Harwood Close Welwyn Garden City AL8 7SN
Received 8 Jun 2020
Decided - Granted6/2017/2606/HOUSE
Erection of single storey side extension
Puttocks Farm Old Farmhouse Mews Welham Green Hatfield AL9 7FA
Received 9 Nov 2017
Decided - RefusedW6/2007/0960/EM
ERECTION OF REPLACEMENT FRONT PORCH AND REPLACEMENT GATE TO SIDE ELEVATION
31 Sherrardspark Road, Welwyn Garden City, AL8 7JW
Received 25 Jun 2007
Decided - GrantedN6/2006/0415/TP
FELLING OF TWO CHERRY TREES COVERED BY TPO 194
The Coach House 4 Digswell Hill Welwyn AL6 9AL
Received 4 Mar 2006
Decided - Withdrawn6/2019/0117/TPO
Fell all Trees located in G1, T1 1x Pear Tree, T2 1x Ash ,T3 1 x Hazel Tree ,T4 T5 2x Crab Apple, T6 1x Weeping Willow Tree -Conservation area
The Beehive Beehive Lane Welwyn Garden City AL7 4BW
Received 22 Jan 2019
Decided - Withdrawn6/2026/0128/EMT
T1 (Oak), T2 (Ash), T3 (Sycamore) to be cut back as far possible as one is growing into my roof / aerial
54 Digswell Rise Welwyn Garden City AL8 7PW
Received 27 Jan 2026
Decided - GrantedN6/2013/1132/FP
Erection of single storey side and rear extension
81 Oakdale, WELWYN GARDEN CITY, AL8 7QP
Received 28 May 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

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