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

40,154Searchable applications

303Recorded as pending

86%Approval rate · 33,678 approved or refused records

4,802Refused applications

28,876 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 4 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2021/1524/HOUSE
Erection of single storey rear extension with roof lantern, roof lights to existing roof and alterations to openings.
10 Dellcott Close Welwyn Garden City AL8 7BD
Received 13 May 2021
Decided - GrantedS6/2009/2039/FP
INSTALLATION OF NEW DOOR TO BIN STORE AREA
GOLDINGS HOUSE, GOLDINGS CRESCENT, HATFIELD, HERTS, AL10 8UA
Received 18 Sept 2009
Decided - Granted6/2017/2442/PN15
Prior approval for the installation of 1 x Elara pole measuring 17.5m in height and 1 x Lancaster cabinet measuring 1898mm x 798mm x 1648mm
Southway Hatfield AL10 9QR
Received 23 Oct 2017
Decided - Granted6/2016/2549/TPO
Oak (T1) - reduce canopy approx 25% to remove branches that overhang house, Hornbeam (T2) - coppice Cherry (T3) - remove large horizontal branch, Ash (T4) - reduce canopy by 30% to reduce impact of tree and roots on house; Cherry (T5) - reduce canopy by 30% - Conservation Area
12 Mandeville Rise Welwyn Garden City AL8 7JU
Received 30 Nov 2016
Decided - RefusedW6/2004/1533/EM
PART TWO STOREY AND PART SINGLE STOREY REAR AND SIDE EXTENSION
37 Barleycroft Road, Welwyn Garden City, AL8 6JX
Received 12 Oct 2004
Decided - Granted6/2016/1552/COND
Approval of details reserved by condition 8 (external lighting details) and condition 12 (landscaping) on planning permission S6/2012/1928/PP
University of Hertfordshire, College Lane, Hatfield, AL10 9AB
Received 29 Jul 2016
Decided - Granted6/2018/2722/HOUSE
Erection of a single storey side and rear extension following demolition of existing extension, installation of window to side gable wall and rear dormer window to facilitate loft conversion
116 Cole Green Lane Welwyn Garden City AL7 3JD
Received 23 Oct 2018
Decided - Granted6/2020/2938/FULL
The erection of a pergola 3m x 3m with festoon lighting to the rear patio area.
The Rose And Crown 14 Church Street Welwyn AL6 9LX
Received 9 Nov 2020
Decided - Granted6/2015/2575/TPO
Removal of Silver Birch tree located in rear garden - Conservation Area
35 Elmwood, Welwyn Garden City, AL8 6LD
Received 21 Dec 2015
Decided - Granted6/2023/0782/HOUSE
Erection of front porch, single storey rear extension with new patio area, an increase in height of the garage, conversion of garage to form a granny annexe, garage loft conversion to form a first-floor gym area, and two front and two rear rooflights on the garage roof
42 Daffodil Close Hatfield AL10 9FF
Received 11 Apr 2023
Decided - Granted6/2018/2119/EM
Erection of single storey side, part single part two storey rear extension following demolition of existing extensions and outbuildings including alterations to openings
2 Handside Close Welwyn Garden City AL8 6SR
Received 14 Aug 2018
Decided - GrantedN6/2009/0336/AD
ERECTION OF ENTRANCE SIGN BOARD
LAND AT, MUNDELLS COURT, MUNDELLS, WELWYN GARDEN CITY, HERTS
Received 17 Feb 2009
Decided - Granted6/2016/0362/DC3
Change of use from business (B1) to retail (A1)
30-32 Town Centre, Hatfield, AL10 0LD
Received 4 Mar 2016
Decided - Granted6/2016/0821/HOUSE
Proposed part two storey, part single storey side and rear extensions following demolition of existing garage
14 Thrush Lane, Cuffley, Potters Bar, EN6 4JU
Received 3 May 2016
Decided6/2024/1481/TC
T2 Ash - remove tree to stop the influence of the tree(s) on the soil below building foundation level and provide long term stability at the address of 46 Longcroft Gardens
43 Longcroft Gardens Welwyn Garden City AL8 6JR
Received 5 Aug 2024
Decided - Granted6/2024/2280/EM
Replacement of existing main front door, front utility door, side and rear doors and installation of new flat roof skylight
31 Sherrardspark Road Welwyn Garden City AL8 7JW
Received 27 Nov 2024
Decided - Granted6/2018/0616/ADV
Installation of 1 non-illuminated pole mounted free standing sign
Stanborough Road Roundabout With Parkway To Gosling Sports Park
Received 5 Mar 2018
Decided - Granted6/2022/1939/EMT
Oaks T1, T2 & T3 to remove epicormic growth from the stem to a height of 9m and deadwood. Oak T4 reduce lateral spread by 25-30% to reduce away from property, remove epicormic growth and deadwood. Hornbeam cluster H1 (front) - reduce 25% all-round, remove epicormic growth and deadwood. Hornbeam cluster H2 (rear) - reduce 25% all-round leaving some overhang to side path, remove epicormic growth and deadwood. Purple plum P1 - remove deadwood and light shaping to encourage growth.
8 Mandeville Rise, Welwyn Garden City, AL8 7JU
Received 18 Aug 2022
Decided - Granted6/2018/1681/PN8
Prior approval for the erection of a single storey rear extension measuring 3.6m in depth, 3.0m in height and 3.0m to the eaves
101 The Commons Welwyn Garden City AL7 4RZ
Received 21 Jun 2018
Decided - Granted6/2021/2338/LAWP
Certificate of lawfulness for a conversion of roofspace to haitable use to include a rear dormer and 2 x front rooflights
69 Bluebridge Road Hatfield AL9 7UW
Received 6 Aug 2021
Decided - Granted6/2020/1277/HOUSE
Erection of part single-storey and part two-storey extension following demolition of single storey rear extension.
9 The Green Welwyn AL6 9EA
Received 8 Jun 2020
Decided - GrantedS6/2006/0588/FP
ERECTION OF SINGLE STOREY REAR EXTENSION ENTAILING DEMOLITION OF EXISTING CONSERVATORY
41 Station Road Welham Green Hatfield AL9 7PF
Received 5 May 2006
Decided - GrantedS6/2014/0941/FP
Replacement/removal of mechanical plant at the rear of store
Co op Supermarket, 37-39 Bradmore Green, Brookmans Park, Hatfield, AL9 7QR
Received 28 Apr 2014
Decided - Granted6/2019/0170/HOUSE
Construction of a new brick wall measuring 7.9m long and 2m high following removal of existing fence
4 Barleycroft Road Welwyn Garden City AL8 6JU
Received 28 Jan 2019

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
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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