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

40,146Searchable applications

300Recorded as pending

86%Approval rate · 33,676 approved or refused records

4,802Refused applications

28,874 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 2 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 Counts reflect the last collected status; some records may be out of date.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

Decided - Granted6/2016/0473/EM
Erection of rear extension with internal and external alterations
16 Roundwood Drive, Welwyn Garden City, AL8 7JZ
Received 16 Mar 2016
Decided - Granted6/2024/0585/COND
Submission of details pursuant to conditions 1 & 18 (Construction Management Plan), 2 and 19 (Fire Hydrants Scheme) on planning permission 6/2022/2857/MAJ
17 Tewin Road Welwyn Garden City AL7 1BD
Received 25 Mar 2024
Decided - Withdrawn6/2020/2812/LB
Demolish garage and replace with single storey annex
Sherwoods West End Lane Essendon Hatfield AL9 6AU
Received 27 Oct 2020
Decided - Refused6/2020/0087/FULL
Change of use of 2x barns to 2x dwellings, alterations to openings, erection of detached garage, and creation of new vehicular access
Wytmead, Essendon Hill, Essendon, Hatfield, AL9 6AW
Received 13 Jan 2020
Decided6/2025/2314/TC
T4 hawthorn to reduce by 4m. T5 & T6 Ash to fell. T7 Ash to fell. T8 Goat willow to remove hung up branches.
Access Road North Off Great Dell To Great Dell Scout Hall Welwyn Garden City AL8 7HY
Received 3 Nov 2025
DecidedN6/2008/2489/TE
REMOVAL OF FIR TREE FROM REAR GARDEN
179 THISTLE GROVE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4AG
Received 31 Dec 2008
Decided - Granted6/2019/1390/HOUSE
Erection of front porch and alterations to roof over existing covered way
23 Hillcrest Hatfield AL10 8EZ
Received 6 Jun 2019
Decided - Refused6/2017/0330/HOUSE
Installation of dormers to both sides of the dwelling and alterations to roof to accommodate loft conversion to habitable space
15 Burleigh Way Cuffley Potters Bar EN6 4LJ
Received 21 Feb 2017
Decided - Granted6/2024/1970/FULL
Change of use from field to a secure dog walking facility with parking area and erection of gate and fencing
Wych Elm Lane Welwyn AL6 0BN
Received 14 Oct 2024
Decided - Granted6/2022/2565/EMT
T1-Maple- Reduce crown all round by 2 metres to maintain size and shape for the area. T2-Cherry- Reduce crown all round by 2 metres to maintain size and shape for the area.
19 Mandeville Rise Welwyn Garden City AL8 7JT
Received 9 Nov 2022
Decided - Refused6/2026/1443/ADV
Installation of 2x advertisement panels on either side of Street Hub Unit
Pavement outside 43 Howardsgate Welwyn Garden City AL8 6AP
Received 18 Aug 2026
Decided - Refused6/2016/1585/PN8
Prior approval for the erection of single storey rear extension measuring 8m depth, 4m high and 3m eaves height
2 Normans Lane, Welwyn, AL6 9TQ
Received 3 Aug 2016
Decided - GrantedN6/2014/0483/FP
Erection of single storey side and rear extensions and raising of ground levels to create rear terrace following demolition of existing single storey rear extension and garage
61 Attimore Road, Welwyn Garden City, AL8 6LG
Received 5 Mar 2014
Decided - Granted6/2020/3277/HOUSE
Single storey side extension, insertion of 4 dormer windows to facilitate conversion of loft to habitable space
37 Cranfield Crescent Cuffley Potters Bar EN6 4DY
Received 7 Dec 2020
Decided - Granted6/2017/1121/HOUSE
Erection of part single and part two storey front, side and rear extensions (Part-retrospective).
36 Hill Rise, Cuffley, Potters Bar, EN6 4EJ
Received 23 May 2017
Decided - WithdrawnS6/2014/1180/LUP
Certificate of lawfulness for a loft conversion with rear dormer
31 Homewood Avenue, Cuffley, Potters Bar, EN6 4QQ
Received 27 May 2014
Decided - GrantedW6/2014/0586/EM
Erection of log cabin
101 Ingles, Welwyn Garden City, AL8 7HF
Received 18 Mar 2014
Decided - GrantedS6/2013/0513/FP
Erection of entrance gates
Nyn Park, Well Road, Northaw, POTTERS BAR, EN6 4BS
Received 13 Mar 2013
Decided - GrantedS6/2008/1623/DS
DISCHARGE OF CONDITIONS 2 (MATERIALS) 3 (PARKING) 8 (LANDSCAPING) & 9 (GEOTECHNICAL SURVEY) OF PLANNING PERMISSION S6/2007/1935/FP
108 COLLEGE LANE, HATFIELD, HERTS, AL10 9PA
Received 2 Sept 2008
Decided - GrantedS6/2009/0785/FP
ERECTION OF SINGLE STOREY REAR EXTENSION
1 COULTER CLOSE, CUFFLEY, POTTERS BAR, HERTS, EN6 4RR
Received 15 Apr 2009
Decided - Granted6/2017/0228/ADV
Installation of 1x internally illuminated flex face fascia sign 1x internally illuminated projecting sign
33 Town Centre Hatfield AL10 0JX
Received 7 Feb 2017
Decided - GrantedN6/2013/0663/LUP
Certificate of lawfulness for proposed loft conversion incorporating a hip to gable enlargement, rear dormer window, two roof lights on front elevation and insertion of window on second floor side elevation
82 Brocket Road Welwyn Garden City AL8 7TU
Received 28 Mar 2013
Decided - RefusedN6/2005/1500/FP
ERECTION OF TWO STOREY REAR & SINGLE STOREY SIDE EXTENSIONS
59 Wilga Road Welwyn AL6 9PT
Received 2 Dec 2005
Decided - Granted6/2020/0013/ADV
Replacement signage to main building facade and entrance canopy including 1 x illuminated projecting sign,1 x non-illuminated fascia sign 1 x non-illuminated freestanding sign
Campus West The Campus Welwyn Garden City AL8 6BX
Received 6 Jan 2020

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