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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 8 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 Counts reflect the last collected status; some records may be out of date.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 - RefusedW6/2007/0415/EM
ERECTION OF TWO STOREY AND SINGLE STOREY SIDE AND REAR EXTENSIONS
57 Woodland Rise, Welwyn Garden City, AL8 7LJ
Received 13 Mar 2007
Decided - Granted6/2022/1352/HOUSE
Erection of single storey side extension and garage
7 Guessens Road Welwyn Garden City AL8 6QW
Received 10 Jun 2022
Decided - GrantedS6/2007/0606/FP
CONVERSION OF GARAGE TO A HABITABLE ROOM.
15 Great Braitch Lane Hatfield AL10 9FD
Received 16 Apr 2007
Decided - Granted6/2016/1557/HOUSE
Erection of timber framed garage and wall/gate
Lower Meadow, Hill Farm Lane, Welwyn, AL6 9BW
Received 1 Aug 2016
Decided - Granted6/2023/0019/EMT
1 x Eucalyptus to fell to ground level. The tree has been heavily topped previously and is leaning/growing over neighbouring garden causing a nuisance
5 Breakmead Welwyn Garden City AL7 3HG
Received 4 Jan 2023
Decided - Granted6/2015/1737/TC
Removal of T1) Pine tree and T2) Cherry tree
7 Pentley Park, Welwyn Garden City, AL8 7RT
Received 13 Aug 2015
Decided - Refused6/2021/1696/HOUSE
Erection of a single storey mono pitch extension, following demolition of existing structure.
28 Lemsford Village Welwyn Garden City AL8 7TN
Received 27 May 2021
Appeal Decided - AllowedN6/2013/1053/LUP
Certificate of lawfulness for proposed single storey side extensions, Erection of two storey rear extension, detached garage block/workshop and new driveway and parking area
Brickwall Cottage, Brickwall Close, Ayot St Peter, WELWYN, AL6 9AA
Received 17 May 2013
Decided - Granted6/2024/1583/COND
Submission of details pursuant of condition 14 (drainage), 16 (access), and 21 (ventilation noise) on planning permission 6/2021/3489/MAJ
The Woodside Centre The Commons Welwyn Garden City AL7 4DD
Received 21 Aug 2024
Decided - GrantedN6/2007/0564/FP
ERECTION OF REAR CONSERVATORY.
18 Marsden Green Welwyn Garden City AL8 6YA
Received 4 Apr 2007
Decided - Granted6/2023/1342/HOUSE
Installation of white upvc windows and doors and composite front door
7 Elmwood Welwyn Garden City AL8 6LD
Received 29 Jun 2023
Decided - Granted6/2015/1598/EM
Replacement of shed
1 Coneydale Welwyn Garden City AL8 7RX
Received 27 Aug 2015
Decided - RefusedN6/2008/2427/FP
PROPOSED CHANGE OF USE FROM CLASS B1/B2/B8 TO D1/D2 TO PROVIDE FAMILY ENTERTAINMENT CENTRE AND DAY NURSERY INSTALLATION OF AIR CONDITIONING/HEAT RECOVERY UNITS, TRAFFIC MANAGEMENT FACILITIES AND SAFETY PLAY SURFACE.
UNIT 1, MALLOW PARK, WATCHMEAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1AP
Received 9 Dec 2008
Decided - Refused6/2020/3452/HOUSE
Erection of rear outbuilding
7 Hanyards Lane Cuffley Potters Bar EN6 4AS
Received 24 Dec 2020
Decided - Granted6/2022/2389/EMT
Birch tree - trim crown of dead and or weak branches and reduce crown by approximately 2m.
34 Brockswood Lane Welwyn Garden City AL8 7BG
Received 14 Oct 2022
Decided6/2022/1274/TC
Twin stem Sycamore to reduce back to near previous pruning points (approximately 5m in height and 3m in width)
23 Melbourne Court Welwyn Garden City AL8 6LL
Received 30 May 2022
Decided - Granted6/2023/1581/LAWP
Certificate of lawfulness for the installation of side and rear dormer windows to facilitate loft conversion to habitable space
17 Hill Rise Cuffley Potters Bar EN6 4ED
Received 31 Jul 2023
Decided - GrantedS6/2007/0183/FP
ERECTION OF SINGLE STOREY AND FIRST FLOOR REAR EXTENSION, FRONT AND SIDE BAY WINDOWS, AND FRONT PORCH FOLLOWING CONVERSION OF TWO DWELLINGS INTO ONE RESIDENTIAL UNIT
1 & 2 Coopers Green Cottages Coopers Green St Albans Hertfordshire AL4 9HL
Received 2 Feb 2007
Decided - Granted6/2017/1615/EM
Reduce 1 x Birch tree by 3m in height and 2m in width
5 Youngs Rise Welwyn Garden City AL8 6RT
Received 25 Jul 2017
Decided - GrantedW6/2008/0365/EM
NEW LANDSCAPING TO FRONT GARDEN
10 HIGH OAKS ROAD, WELWYN GARDEN CITY, HERTS, AL8 7BH
Received 21 Feb 2008
Decided - GrantedN6/2014/2454/FP
Erection of single storey rear extension
2 Baldwins, Welwyn Garden City, AL7 2BD
Received 7 Nov 2014
Decided - Granted6/2021/1632/ADV
Installation of: Sign A - 1 x new timber fascia sign with applied 10mm bevel-faced perspex house name letters. new trough light to illuminate. Sign B - 1 x new double sided timber pictorial sign with applied painted detail. fixed to existing post & gibbet. new linolites to illuminate. Sign C - 1 x new signwritten mural to wall. Sign D - 1 x new timber history board with applied painted text. Sign E - 2 x new timber amenity boards with applied painted text. Sign F - 1 x new A2 lockable poster case. Sign G - omitted Sign H - 3 x new lanterns. Sign I - 2 x new led floodlights.
Eight Bells 2 Park Street Hatfield AL9 5AX
Received 21 May 2021
Decided - Granted6/2021/1904/EMT
Fell 2 x Holly Fell 3 x Lawson Cypress Reduce Cherry and 5 x Leyland Cypress by 30%
17 The Valley Green Welwyn Garden City AL8 7DQ
Received 22 Jun 2021
Decided - Granted6/2022/0725/EM
Installation of white u-PVC soffits and black u-PVC fascias following removal of existing wood soffits and fascias.
35 Elmwood Welwyn Garden City AL8 6LD
Received 28 Mar 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

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