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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 9 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 Counts reflect the last collected status; some records may be out of date.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

Decided6/2020/2514/TC
Fell 1 x Ash (T1)
79 Newfields Welwyn Garden City AL8 6YS
Received 30 Sept 2020
Decided - GrantedN6/2013/2429/TP
Prune T1-T4 Hornbeams reduce in height by 3-4m, T5 Hornbeam reduce in height by 2m, T6 Birch crown lift to 3.5m, T7 Pine remove, T8-10 Hornbeam reduce in height by 3-4m covered by TPO 230 A1.
37A Turpins Ride Welwyn AL6 0QX
Received 20 Nov 2013
Decided - Granted6/2018/0348/FULL
Installation of two automatic number plate recognition (ANPR) cameras to the car park with associated works.
Waitrose Ltd Bridge Road Welwyn Garden City AL8 6AB
Received 2 Feb 2018
Decided - Granted6/2019/0306/COND
Submission of details pursuant to condition 3 (hard and soft landscaping) on planning permission 6/2018/0383/FULL
8 Hill Rise, Cuffley, Potters Bar, EN6 4EE
Received 11 Feb 2019
Decided - Granted6/2020/2109/TPO
Reduce 2 x Oak trees by 20% [T1 & T2]
7 The Drive Welwyn AL6 0TW
Received 21 Aug 2020
Decided - GrantedC6/1987/0418/FP
Single storey rear extension
48 Blakemere Road, Welwyn Garden City, AL8 7PJ
Received 1 Jan 1987
Decided - GrantedN6/2005/1413/FP
CHANGE OF USE FROM B2 TO CAR SALES AND ASSOCIATED MOTOR VEHICLE STORAGE AND REPAIR (SUI GENERIS)
14 Burrowfield Welwyn Garden City AL7 4SN
Received 11 Nov 2005
Decided - Granted6/2024/1119/FULL
Erection of single dwelling following demolition of annexe, together with sub-division of garden area, parking and landscaping
2 Digswell Hill Welwyn AL6 9AL
Received 17 Jun 2024
Decided - Granted6/2020/1538/EM
Relay and extend driveway
6 Moorlands Welwyn Garden City AL7 4PP
Received 29 Jun 2020
Decided - WithdrawnN6/2009/0005/FP
CHANGE OF USE FROM B1 USE TO D1 USE- CHIROPRACTOR
Units 5-6 29 Mill Lane Welwyn AL6 9EU
Received 6 Feb 2009
Decided - Granted6/2026/0367/HOUSE
Erection of a single storey rear and side extension
14 Brocket Road Welwyn Garden City AL8 7TY
Received 27 Feb 2026
Decided - GrantedW6/2004/0284/EM
ERECTION OF REAR CONSERVATORY
3 Buddcroft, Welwyn Garden City, AL7 2AT
Received 25 Feb 2004
Decided - RefusedS6/2009/1077/LU
CERTIFICATE OF LAWFULNESS FOR SINGLE STOREY REAR EXTENSION
8 Lockley Crescent Hatfield AL10 0TN
Received 18 May 2009
Decided - GrantedN6/2007/0827/MA
ERECTION OF TEN 2-BED HOUSES, FOUR 3-BED HOUSES, EIGHT 1-BED FLATS, AND TWO 2-BED FLATS WITH ASSOCIATED ACCESS AND PARKING
LAND TO REAR OF, 217-243 KNELLA ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE
Received 30 May 2007
Decided - Granted6/2021/1443/TPO
Crown lift 3 x Oak trees (T1-3) and 2 x Larch trees (T4, T6), T7)by 3m and remove dead wood, fell 2 x Larch trees (T5, T9) to ground level, reduce 1 x Larch tree (T8) by 20% covered by TPO
14 Mardley Wood Welwyn AL6 0UX
Received 7 May 2021
Decided - Granted6/2017/2710/EM
Extend existing hardstanding.
1 Coneydale Welwyn Garden City AL8 7RX
Received 20 Nov 2017
Decided - Granted6/2024/1308/EM
Amended positioning of driveway to align with approved planning permission 6/20240335/HOUSE
48 Crookhams Welwyn Garden City AL7 1PF
Received 9 Jul 2024
Decided - Granted6/2018/1707/LAWE
Certificate of lawfulness for the installation of fire door and external staircase
37 Heron Way Hatfield AL10 8QT
Received 26 Jun 2018
Decided - Refused6/2020/1747/HOUSE
Erection of two storey side extension following demolition of the existing garage
9 Barnard Green Welwyn Garden City AL7 3NG
Received 16 Jul 2020
Decided - Granted6/2017/0003/FULL
Change of use from A1 (Shops) to 'Sui generis' to provide dog and cat grooming service with a small range of pet accessories for sale
1 Woodside Road Digswell Welwyn AL6 0DS
Received 4 Jan 2017
Decided - RefusedS6/2009/1693/LU
CERTIFICATE OF LAWFULNESS FOR PROPOSED SIDE AND REAR DORMERS
50 BULLENS GREEN LANE, ST ALBANS, HERTFORDSHIRE, AL4 0QS
Received 5 Aug 2009
Decided - Granted6/2022/1667/PN27
Prior approval for the construction of an additional storey to facilitate the enlargement of the dwellinghouse to a maximum of approximately 8.5m in height
37 Codicote Road Welwyn AL6 9TT
Received 14 Jul 2022
Decided - Granted6/2020/2407/HOUSE
Erection of single storey rear extension
2 Melbourne Court Welwyn Garden City AL8 6LL
Received 21 Sept 2020
Decided - Granted6/2025/0863/TPO
T009 Willow - re-pollard to keep weight off the outer limbs T010 Willow - re pollard to limit weight on lateral limbs TPO 701 (2017) G1
Hertfordshire Constabulary Central Area Headquarters and Hatfield Police Station Comet Way Hatfield AL10 9SJ
Received 8 May 2025

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