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

36,765Searchable applications

335Recorded as pending

86%Approval rate · 30,626 approved or refused records

4,210Refused applications

26,416 approved · 4,210 refused · 1,976 withdrawn. Received dates in our records: 29 Apr 1948 to 20 Oct 2026. Most recent record check: 25 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2014/1186/FP
Erection of front porch and bay window
8 Aldock, Welwyn Garden City, AL7 4QF
Received 28 May 2014
DecidedN6/2008/1544/TC
REMOVAL OF 3 CONIFERS FROM FRONT GARDEN
48 Marsden Green, Welwyn Garden City, AL8 6YB
Received 19 Aug 2008
Decided - Granted6/2021/0023/EM
Insertion of a roof light, window and a door to an existing extension.
8 Marley Road Welwyn Garden City AL7 4BS
Received 5 Jan 2021
Decided - Granted6/2023/1224/HOUSE
Erection of a single storey rear extension following the part demolition of existing garden shed
92 Mill Green Road Welwyn Garden City Hertfordshire AL7 3XE
Received 9 Jun 2023
Decided - Granted6/2025/0464/FULL
Erection of a two storey extension to create two new flats
55 Dragon Road Hatfield AL10 9LY
Received 12 Mar 2025
Decided - GrantedN6/2008/2029/FP
ERECTION OF SUMMERHOUSE/SHED IN REAR GARDEN
190 HANDSIDE LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6TD
Received 23 Oct 2008
Decided - Granted6/2019/0192/HOUSE
Construction of garage and covered patio area
58 Chelwood Avenue Hatfield AL10 0RE
Received 29 Jan 2019
Decided - Granted6/2015/2501/TPO
30% crown reduction and thinning to Hornbeams, T1, T2, T4, T7, T8, T9 and T10 covered by TPO 89
14 Bluebells Welwyn AL6 0XD
Received 15 Dec 2015
Decided - Granted6/2020/3363/EMT
Fell a Fir Tree
27 Great Ganett Welwyn Garden City AL7 3DB
Received 16 Dec 2020
Decided - Granted6/2021/1328/HOUSE
Erection of a single storey rear infill extension
37 Holloways Lane Welham Green Hatfield AL9 7NR
Received 26 Apr 2021
Decided - Granted6/2020/0660/PN8
Prior approval for the erection of a single storey rear extension measuring 8.00m in depth, 4.00m in heights and 3.00 to the eaves
23A The Ridgeway Cuffley Potters Bar EN6 4BB
Received 9 Mar 2020
Decided - Granted6/2026/1595/TPO
T17 Pine and T74 Scots Pine are both dead and now dangerous (due to leaning). Covered by TPO 817 (2018)
42 New Road Digswell Welwyn AL6 0AH
Received 14 Sept 2026
Decided - GrantedS6/2009/1691/DS
DISCHARGE OF CONDITIONS 2 (SAMPLES OF MATERIALS), 3 (LANDSCAPING DETAILS), 5 (SITE LEVELS) AND 10 (WHEEL-CLEANING) FROM APPEAL DECISION REF APP/C1950/A/08/2089859
GLENSIDE, VINEYARDS ROAD, NORTHAW, POTTERS BAR, HERTFORDSHIRE, EN6 4PF
Received 5 Aug 2009
Decided - Granted6/2017/0322/HOUSE
Erection of porch to front elevation
34 Lockley Crescent Hatfield AL10 0TN
Received 20 Feb 2017
Decided6/2024/1517/TC
T1-Poplar x 2-Re-pollard back to old points to maintain size and shape for the area
11 Elmwood Welwyn Garden City AL8 6LD
Received 9 Aug 2024
Decided6/2018/2018/TPO
Reduce height of 1 x Willow tree by around 4m and fell 1 x Lawson Cypress tree - covered by conservation area
6 High Oaks Road Welwyn Garden City AL8 7BH
Received 1 Aug 2018
Decided - WithdrawnW6/2013/1404/EM
Extension to vehicle crossover and retention of existing hardstanding
23 Longcroft Lane, Welwyn Garden City, AL8 6EB
Received 3 Jul 2013
Decided - Granted6/2021/2586/EM
Reduce the slope on the front garden to be consistent with the neighbours property
22 Beehive Green Welwyn Garden City AL7 4BG
Received 6 Sept 2021
Decided - Refused6/2022/1710/LB
Replacement of like for like sash windows on front elevation of house
24 Church Street Hatfield AL9 5AW
Received 19 Jul 2022
Appeal Decided - Allowed6/2018/2552/FULL
Erection of second floor extension to create 8 x 2 bedroom apartments following part demolition of existing building and removal of ground floor social club (D1)
Maynard House 1 The Common Hatfield AL10 0NF
Received 4 Oct 2018
Decided - GrantedS6/2013/0973/FP
Extension to front porch and garage, new bay window, alterations to fenestration and installation of decorative timber framing
72 Hill Rise, Cuffley, POTTERS BAR, EN6 4RG
Received 13 May 2013
Decided - Granted6/2023/1343/EM
Installation of white upvc windows and doors with 18mm Georgian inserts to front sides and back to match the existing and composite front door
7 Elmwood Welwyn Garden City AL8 6LD
Received 29 Jun 2023
Decided - Refused6/2018/2169/COND
Submission of details pursuant to condition 1 (Construction Method Statement), 2 (soft landscaping) and 3 (Bat Ecologist Site Briefing) on planning permission 6/2018/1046/HOUSE
The Doves Hill Farm Lane Welwyn AL6 9BU
Received 21 Aug 2018
Decided - Granted6/2024/1470/HOUSE
Erection of single storey garden room
10 Woodgate Avenue Northaw Potters Bar EN6 4EW
Received 2 Aug 2024

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