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

283Recorded as pending

86%Approval rate · 33,821 approved or refused records

4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 10 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2020/1501/TPO
Reduce 1 x Oak tree by 25% under TPO1 (1973) T1
46 Carleton Rise Welwyn AL6 9RG
Received 25 Jun 2020
Decided - Withdrawn6/2018/0413/FULL
Erection of a 5-bedroom house following demolition of existing dwelling
43 Hill Rise Cuffley Potters Bar EN6 4EH
Received 9 Feb 2018
Decided - GrantedW6/2007/1042/EM
INSTALLATION OF WINDOW TO THE FRONT FIRST FLOOR
2 Parkfields Welwyn Garden City AL8 6ED
Received 10 Jul 2007
Under Consideration6/2026/1633/FULL
Erection of new 5 bed dwelling following the demolition of existing dwelling
23 The Ridgeway Cuffley EN6 4BB
Received 18 Sept 2026
DecidedN6/2014/1351/TC
Removal of Two Christmas trees
6 High Oaks Road, Welwyn Garden City, AL8 7BH
Received 17 Jun 2014
Call In/Major Objection6/2026/0570/FULL
Change of use of land to enable the formation of 4 Gypsy/Traveller pitches (comprising the stationing of 1 static caravan and storage of 1 touring caravan per pitch) alongside the erection of two dayrooms
Thunderbridge Yard Bulls Lane Hatfield AL9 7BB
Received 30 Mar 2026
Decided - Granted6/2020/3435/FULL
Erection of a detached dwelling
66 Tolmers Road Cuffley Potters Bar EN6 4JY
Received 23 Dec 2020
Decided - GrantedN6/2007/0336/FP
SINGLE STOREY REAR EXTENSION
Community Hall The Green Welwyn Garden City AL7 3LA
Received 28 Feb 2007
Decided - Granted6/2020/2216/HOUSE
Erection of a single, part two storey rear extension, following demolition of existing rear conservatory. Raising of existing single storey side extension's roof and raising of front parapet wall on the opposite side of existing property to facilitate the erection of a covered lean-to area and alterations to fenestration.
143 Parkway Welwyn Garden City AL8 6JB
Received 28 Aug 2020
Decided - Granted6/2016/0802/HOUSE
Erection of single storey rear extension
17 Monkswood, Welwyn Garden City, AL8 7EF
Received 28 Apr 2016
Decided - Granted6/2019/0891/EM
Erection of a single storey rear extension
34 Wren Wood Welwyn Garden City AL7 1QG
Received 12 Apr 2019
Appeal Decided - Dismissed6/2016/0020/FULL
Erection of two storey rear extension comprising of extension to A1 Retail unit at ground floor, with residential studio unit at first floor
11 Bradmore Green, Brookmans Park, Hatfield, AL9 7QW
Received 11 Jan 2016
Decided - GrantedW6/2010/0081/EM
PROPOSED SINGLE STOREY REAR EXTENSION AND DETACHED DOUBLE GARAGE
62 PARKWAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6HH
Received 18 Jan 2010
Decided - RefusedN6/2004/0522/FP
ERECTION OF REPLACEMENT DWELLING
12 Mardley Avenue Welwyn AL6 0UD
Received 8 Apr 2004
Decided - Granted6/2020/0527/EM
Erection of a single storey rear extension
18 Melbourne Court Welwyn Garden City AL8 6LL
Received 20 Feb 2020
Decided - Granted6/2021/0961/EMT
Reduce 2 x Hornbeam by 2m. Fell 1 x Western Red Cedar.
2 Densley Close Welwyn Garden City, AL8 7JX
Received 24 Mar 2021
Decided - Granted6/2020/1698/TPO
Crown reduce 1 x beech 1 x sycamore by 30%
1 Heathlands Welwyn AL6 0UU
Received 14 Jul 2020
Decided - GrantedS6/2004/1746/FP
ERECTION OF REAR CONSERVATORY
65 Lavender Close Hatfield AL10 9FW
Received 25 Nov 2004
Decided6/2021/0980/TC
Lawson Cypress to reduce by 6m height Hawthorn hedge behind Lawson Cypress to reduce height by approximately 3.5m
18 Rooks Hill Welwyn Garden City AL8 6ET
Received 25 Mar 2021
Decided - GrantedN6/2009/1240/TE
CROWN LIFT CHERRY TREE TO 2.5 METERS AND CLEAR BACK FROM STREET LIGHT BY UPTO 1 METER
LAND ADJACANT TO, 4 WEST MEAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4SA
Received 23 Jun 2009
Decided - Refused6/2019/2964/EM
Erection of part single storey rear extension
9 Redwoods Welwyn Garden City AL8 7NR
Received 26 Nov 2019
Decided - GrantedW6/2015/0527/EM
Erection of single storey rear extension
20 Turmore Dale, Welwyn Garden City, AL8 6HS
Received 11 Mar 2015
Decided - Granted6/2023/0281/EMT
1 x Cherry plum to reduce height by 3m, remove limb over lawn area back to upright stem. Reduce section over roadside by 1.5m.
34 Rosedale, Welwyn Garden City, AL7 1DR
Received 6 Feb 2023
Decided - RefusedS6/2014/0884/LUC
Certificate of lawfulness to vary an agricultural occupancy condition imposed by Hatfield Rural District Council in 1972
Camleigh Farm, Cucumber Lane, Essendon, Hatfield, AL9 6JB
Received 25 Apr 2014

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