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

322Recorded as pending

86%Approval rate · 33,788 approved or refused records

4,816Refused applications

28,972 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2015/1079/MA
Erection of 11no dwellings comprising of 10no three bedroom and one four bedroom following demolition of former Dairy Crest Depot
118 Homestead Lane Welwyn Garden City AL7 4NX
Received 21 May 2015
Decided - Granted6/2025/0144/LAWP
Certificate of lawfulness for the construction of new compost bays
Shaws Corner Bibbs Hall Lane Ayot St Lawrence AL6 9BX
Received 28 Jan 2025
Decided - RefusedN6/2006/0486/FP
CHANGE OF USE OF PART OF THE WOODLAND AND CREATION OF TWO CAR PARKING SPACES AND EXTENSION OF ACCESS, IN CONJUNCTION WITH NEW DWELLING (PURSUANT TO N6/2005/231/FP)
Land adjacent to 21 Oaklea Welwyn AL6 0PT
Received 12 Apr 2006
Decided - Split6/2020/1441/COND
Submission of details pursuant to Condition 1 (External Materials), Condition 2 (Hard & Soft Landscape Works) and Condition 4 (Surface Water Flooding) on planning permission 6/2016/1949/FULL
14 East Ridgeway, Cuffley, Potters Bar, EN6 4AP
Received 22 Jun 2020
Decided6/2023/1758/TC
Reduce 1 x Japanese Maple by 1m
36 Longcroft Lane Welwyn Garden City AL8 6EF
Received 21 Aug 2023
Decided - Granted6/2022/1119/EMT
Reduce oak tree (T1) and apple tree (T3) canopies by 30% to previous points
2 Lytton Gardens Welwyn Garden City AL8 6EG
Received 16 May 2022
Decided - Granted6/2025/0434/FULL
Three storey side extension comprising an enlarged building to support the change of use of the first floor from storage to a two-bedroom flat, new entry and staircase and the creation of two terrace areas, new parking layout to create a total of three parking spaces. New roof structure including installation of four front dormers to create an additional floor accommodating a further new one-bedroom flat. Addition of a further dormer to the existing flat at No.19. Conversion of existing entry area to bike store and meter cupboard and the relocation of the refuse storage
Marlborough Court Green Close Brookmans Park AL9 7ST
Received 7 Mar 2025
Decided - GrantedN6/2008/2487/TC
REMOVAL OF POPLAR TREE FROM REAR GARDEN
116 LEMSFORD LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6YP
Received 31 Dec 2008
Decided - GrantedW6/2013/0454/EM
Insertion of bay window on side elevation
33 Sherrardspark Road, WELWYN GARDEN CITY, AL8 7JW
Received 28 Feb 2013
Decided - Refused6/2019/0861/HOUSE
Erection of an annexe to the side /rear of existing dwelling
32 Colgrove Welwyn Garden City AL8 6HU
Received 10 Apr 2019
Decided - Granted6/2017/2527/EM
Installation of satellite dish
13 Marley Road Welwyn Garden City AL7 4BT
Received 1 Nov 2017
Decided - Granted6/2026/0388/LAWP
Certificate of lawfulness for construction of an incidental outbuilding
Clematis Cottage Ayot Little Green Lane Ayot St Peter Welwyn AL6 9BD
Received 3 Mar 2026
Decided - GrantedN6/2007/1246/FP
ERECTION OF SINGLE STOREY REAR EXTENSION
20 WEST MEAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4SA
Received 17 Aug 2007
Under Consideration6/2026/1540/COND
Submission of details pursuant of condition 3 (hard and soft landscaping), condition 13 (Arboricultural Method) on planning permission 6/2026/0126/MAJ
Land to the north east of King George V Playing Fields Northaw Road East Hertfordshire EN6 4RD
Received 3 Sept 2026
Decided - GrantedS6/2014/1365/FP
Erection of first floor extension and new window to side elevation
391 St Albans Road West, Hatfield, AL10 9RU
Received 17 Jun 2014
Decided - Granted6/2019/0331/COND
Submission of details pursuant to condition 6 (bat mitigation strategy) on planning permission 6/2018/0804/FULL
The Spinney, High Road, Essendon, Hatfield, AL9 6HT
Received 13 Feb 2019
Decided - GrantedS6/2012/2661/S73B
Variation of condition 21 ( Prior to the commencement of the development hereby permitted, details shall be submitted to the local planning authority for approval in writing, showing easement details that give legal rights for vehicular traffic to travel along the Public Bridleway (Hornbeam Lane). REASON:To ensure that there is a legal right of access for vehicular traffic in accordance with Countryside and Rights of Way Act 2000. of planning permission S6/2009/2574/FP (Erection of new dwelling, three bay garage block, garden store together with retention and alteration of the existing stables, landscaping and all other ancillary works. Following demolition of partially constructed dwelling, adjoining stables and garage blocks)
Land at, Hornbeam Lane, Brookmans Park, HATFIELD, AL9 6JF
Received 20 Dec 2012
Decided - GrantedS6/2009/2047/FP
ERECTION OF REAR CONSERVATORY AND RETENTION OF EXISTING OUTBUILDLING
OAK COTTAGE RESIDENTIAL HOME, 4 WILKINS GREEN LANE, HATFIELD, HERTFORDSHIRE, AL10 9RT
Received 14 Sept 2009
Decided - Granted6/2024/0131/HOUSE
Erection of single storey side/rear infill extension
16 Oaklea Welwyn Hertfordshire AL6 0PU
Received 24 Jan 2024
Decided - Granted6/2015/2473/LAWP
Certificate of lawfulness for single storey rear extension
3 Westland Drive, Brookmans Park, Hatfield, AL9 7UG
Received 7 Dec 2015
Decided - GrantedN6/2013/2127/TC
Fell diseased Laburnham tree
21 Pentley Park, WELWYN GARDEN CITY, AL8 7RT
Received 7 Oct 2013
DecidedS6/1989/0266/FP
Change of Use of first floor to B1 Office
1-3 Town Centre, Hatfield, AL10 0JZ
Received 1 Jan 1989
Decided - GrantedW6/2014/1347/TE
Reduce Holly hedge by upto 10ft and reduce two Oak trees and one Sweet Chestnut tree by 25% with removal of lower branches and reduce Birch tree back to previous pruning points
12 Willow Grove, Welwyn Garden City, AL8 7NA
Received 17 Jun 2014
DecidedN6/2008/1972/TE
REMOVAL OF ORNAMENTAL TREE AT IMMEDIATE FRONT OF PROPERTY
35 BROCKSWOOD LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7BE
Received 8 Oct 2008

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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Guides to planning records

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Planning permission drawings: how to read plans
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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.
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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.

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