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

37,145Searchable applications

335Recorded as pending

86%Approval rate · 30,967 approved or refused records

4,294Refused applications

26,673 approved · 4,294 refused · 1,999 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2017/2090/EM
Reduce Silver birch tree by up to a third and removal of branch
65 Carve Ley Welwyn Garden City AL7 3HL
Received 15 Sept 2017
Decided - GrantedN6/2009/2537/FP
ERECTION OF REAR CONSERVATORY
57 THE VINEYARD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7PY
Received 14 Oct 2009
Decided - WithdrawnN6/2007/1270/AD
INSTALLATION OF 9 ILLUMINATED, 4 NON-ILLUMINATED DIRECTIONAL SIGNS & 2 CANOPIES
MARSHALL, LONDON ROAD, WOOLMER GREEN, KNEBWORTH, HERTFORDSHIRE, SG3 6JB
Received 22 Aug 2007
Decided - Granted6/2016/1216/FULL
Change of use of part of factory building to bakery product outlet/cafe (A3/A1) and associated works with the creation of a parking area and a vehicular access
83 Bridge Road East, Welwyn Garden City, AL7 1LA
Received 17 Jun 2016
Appeal Decided - AllowedN6/2009/0786/FP
ERECTION OF PART SINGLE, PART TWO STOREY REAR EXTENSION PLUS PART GARAGE CONVERSION
16 The Valley Green, Welwyn Garden City, AL8 7DQ
Received 14 Apr 2009
Decided - GrantedS6/2015/0477/FP
Installation of new shop fronts to 5no. Retail units in Hatfield Town Centre
36, 44, 46-48, 54 and 62 Town Centre, Hatfield, AL10 0JJ
Received 6 Mar 2015
Decided - Refused6/2016/0965/EM
Resurfacing and Enlargement of existing driveway
59 Parkway, Welwyn Garden City, AL8 6JF
Received 17 May 2016
Decided - Granted6/2024/2147/COND
Submission of details pursuant to condition number 8 (Scheme for parking spaces), 9 (Proposed bicycle stores),10 (Refuse bins and recycling) and 14 (External lighting) on planning permission 6/2023/1014/VAR
22 The Common Hatfield AL10 0ND
Received 7 Nov 2024
Decided - GrantedN6/2008/1913/FP
ERECTION OF SINGLE STOREY REAR EXTENSION
22 DELLCOTT CLOSE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7BD
Received 7 Oct 2008
Decided - GrantedC6/1987/0264/FP
Single storey rear and first floor side extension
15 Monks Rise, Welwyn Garden City, AL8 7NF
Received 1 Jan 1987
Decided - Granted6/2022/1477/TPO
Oak (T1) Reduce limbs overhanging property by approximately 5 metres to suitable pruning points. The branches are touching the property. (TPO 252) (2016)
Howe Dell Manor The Coach House Old Rectory Drive Hatfield Hertfordshire AL10 8AE
Received 24 Jun 2022
Decided - Granted6/2017/0309/ADV
Installation of 4 x illuminated fascia sign, 2 x Free Standing sign
VW Van Centre Harpsfield Broadway Hatfield AL10 9TF
Received 17 Feb 2017
Decided - GrantedW6/2015/0403/EM
Erection of single storey rear extension
16 Rooks Hill, Welwyn Garden City, AL8 6ET
Received 27 Feb 2015
Decided - GrantedW6/2009/1906/EM
ERECTION OF PART TWO STOREY, PART SINGLE STOREY REAR EXTENSION, INSERTION OF ROOFLIGHT, ALTERATIONS TO EXISTING FENESTRATION AND ERECTION OF SINGLE STOREY SIDE EXTENSION, FOLLOWING DEMOLTION OF EXISTING GARAGE
12 LYTTON GARDENS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6EG
Received 7 Sept 2009
Decided6/2024/2225/TC
1 x Pine tree to fell.
8 Beehive Green Welwyn Garden City AL7 4BE
Received 19 Nov 2024
Decided - RefusedS6/2013/1947/LUP
Erection of single storey rear extension
6 Falcon Close Hatfield AL10 8QY
Received 12 Sept 2013
Decided - GrantedN6/2014/2779/MB
Prior approval of proposed change of use of agricultural building to a dwelling (Use class C3). And for associated operational development
The Barn, Lodge Farm, Digswell Park Road, Welwyn Garden City, Hertfordshire, AL8 7LT
Received 30 Dec 2014
Decided - Granted6/2026/1055/TPO
Oak tree to rear of 57 Hill Rise indicated on the attached plans requires crown reduction. This is required in order to comply with arboriculturists recommendation that a crown height of 8.5 metres and spread of 13 metres be maintained in order to keep the tree healthy and to avoid subsidence risk to the property, the crown reduction work to be carried out every 3 years. TPO 903(2018)
57 Hill Rise Cuffley Potters Bar EN6 4RX
Received 17 Jun 2026
Decided - Granted6/2020/3140/COND
Submission of details pursuant to conditions 1 (SuDS measures) and 2 (hedging) on planning permission 6/2020/2009/HOUSE
14 Bramble Road Hatfield AL10 9SA
Received 24 Nov 2020
Decided - Granted6/2023/0522/EM
Front drive upgrade, the current mix of block paving, pacing slabs, shingle and larger stones will be replaced with permeable block paving. Two new flower beds with areas for shrubs will be created one under the bay window and one behind the front hedge
59 Blakemere Road Welwyn Garden City AL8 7PQ
Received 8 Mar 2023
Decided6/2018/2002/TPO
Fell 1 x Conifer tree (T1) and replant with small Apple tree (Rootstock M26) in the same place - covered by conservation area
Crest 54 Mill Lane Welwyn AL6 9ES
Received 31 Jul 2018
Decided - Granted6/2023/2227/EM
Erection of a single storey side / rear extension with insertion of roof lantern, following demolition of existing porch and re-siting of existing garage. Removal of part of hedge
9 Lytton Gardens Welwyn Garden City AL8 6EG
Received 1 Nov 2023
Decided - Granted6/2016/0335/VAR
Variation of condition 1 (approved plans) on planning permission S6/2015/1043/FP
Meadow Lodge, Coopers Lane, Northaw, Potters Bar, EN6 4NG
Received 17 Feb 2016
Decided - Granted6/2022/1165/FULL
Erection of a prefabricated metal vehicle canopy/shelter
Porsche Centre, 1 Hatfield Avenue, Hatfield, AL10 9UA
Received 20 May 2022

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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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.
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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.
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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.
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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.

Check collection coverage