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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2008/2035/FP
ERECTION OF TIMBER SUMMERHOUSE IN REAR GARDEN
16 BARLEYCROFT ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6JU
Received 24 Oct 2008
Decided - Granted6/2025/1617/HOUSE
Erection of a single storey front extension, pitched roof element and window to first floor front elevation and part single and two storey rear extension following the demolition of existing front and rear extensions. External walls finished in smooth render and alterations to fenestration.
27 The Grove Brookmans Park AL9 7RL
Received 28 Jul 2025
Decided - Granted6/2022/2111/HOUSE
Erection of a single storey rear extension, first floor side extension, rear terrace area, garage conversion and alterations to fenestration following demolition of conservatory and chimney stack
3 Greenfield Hatfield AL9 5HW
Received 12 Sept 2022
Appeal Decided - Dismissed6/2024/0346/HOUSE
Erection of a single storey side extension, part single, part double storey rear extension and replacement garage. Landscape works and boundary treatment
16 Guessens Road Welwyn Garden City AL8 6QR
Received 22 Feb 2024
Under Consultation6/2026/1861/COND
Submission of details pursuant of condition 1b (Demolition Method Statement (Retained Structures)) on planning permission 6/2025/1635/LB
Former Shredded Wheat Factory Broadwater Road United Kingdom AL7 1RR
Received 14 Oct 2026
Decided - Granted6/2022/0992/TPO
T1 - Oak, Lift canopy to about 5m and reduce remaining crown by 30% to bring in all overextended limbs to form a more rounded shape T2 - Lift the canopy of the Yew tree to about 4 meters T3 - Lift the canopy of the Yew tree to about 4 meters T4 - Lift the canopy of the Yew tree to about 4 meters
Dairy Lodge Essendon Place High Road Essendon Hatfield AL9 6HU
Received 27 Apr 2022
Decided - RefusedS6/2004/0473/LB
Alterations and two storey rear extension to existing house linking existing annex into main dwelling and side conservatory at Nyn Manor Farm Vineyards Road Northaw
Nyn Manor Vineyards Road Northaw Potters Bar EN6 4PQ
Received 25 Mar 2004
Decided - Granted6/2025/1981/EMT
Fell dead walnut tree at the front of the property and replace with another tree
65 Handside Lane Welwyn Garden City AL8 6SH
Received 15 Sept 2025
Decided - Refused6/2017/0255/HOUSE
Erection of first floor side extension and single storey rear extension, including partial conversion of existing double garage.
55 Carleton Rise Welwyn AL6 9RQ
Received 13 Feb 2017
Decided6/2018/2138/TPO
Reduce 1 x Plum tree by 3m and trim sides
4 Valley Road Welwyn Garden City AL8 7DF
Received 16 Aug 2018
Decided - Withdrawn6/2015/2196/FULL
Extension and conversion of detached single dwelling house into 2no x two bedroom flats and 6no x one bedroom flats
14 Bishops Rise Hatfield AL10 9HB
Received 22 Oct 2015
Decided - Refused6/2024/1023/LAWP
Certificate of lawfulness for the erection of a single storey rear extension
29 Widford Road Welwyn Garden City AL7 2LR
Received 3 Jun 2024
Decided - Granted6/2026/0262/COND
Submission of details pursuant to condition number 5 (Material details) and 6 (Hard and soft landscaping) on planning permission 6/2025/1212/HOUSE
23-25 Mill Lane Welwyn AL6 9EU
Received 16 Feb 2026
Decided - Granted6/2024/0650/COND
Submission of details pursuant of Condition 1 (cycle parking), Condition 2 (refuse and recycling) Condition 4 (external materials specified) Condition 5 (cycle parking, including powered two wheel vehicle) on planning permission 6/2023/0917/FULL
8a Crawford Road Hatfield AL10 0PG
Received 5 Apr 2024
Decided - Granted6/2026/0288/EM
Installation of permeable block paved hardstanding
21 Whitethorn Welwyn Garden City AL7 3EX
Received 19 Feb 2026
Decided6/2021/1110/TC
Fell 1 x Hornbeam tree, 1 x Acer dual-stem tree, 1 x Hornbeam dual-stem, 1 x Oak tree and remove all stumps, fell 1 x Oak tree by 100% covered by conservation area
76 Brockswood Lane Welwyn Garden City AL8 7BQ
Received 6 Apr 2021
Decided - GrantedN6/2007/0212/FP
ERECTION OF SINGLE STOREY FRONT EXTENSION
14 St Ives Close Digswell Welwyn AL6 0BB
Received 12 Feb 2007
Decided - Granted6/2019/1541/EM
Pollard x5 Lombardy Poplar trees by 50%
14 Whitethorn Welwyn Garden City AL7 3EX
Received 6 Jun 2019
Decided - Granted6/2022/2672/HOUSE
Erection of a single storey front and rear extension
9 Broad Acres Hatfield Hertfordshire AL10 9LE
Received 24 Nov 2022
Decided - Granted6/2025/0528/HOUSE
Erection of a single storey rear extension and raising of roof of existing infill extension to improve thermal efficiency
29 Barleycroft Road Welwyn Garden City AL8 6JX
Received 20 Mar 2025
Decided - GrantedS6/2004/1684/FP
ERECTION OF SINGLE STOREY FRONT, SIDE AND REAR EXTENSIONS AND FIRST FLOOR REAR EXTENSION
59 Oaklands Avenue Brookmans Park Hatfield AL9 7UH
Received 15 Nov 2004
Decided - Granted6/2019/2474/LB
Replacement and re-position of external lights to front door
26 High Street Welwyn AL6 9EQ
Received 4 Oct 2019
Decided6/2026/0649/EIA
Request for a screening opinion to determine whether an Environmental Statement is required in relation to the development of up to approximately 200-250 dwellings with associated landscaping and public open space
Land South of Northaw Road East Cuffley
Received 13 Apr 2026
Decided - RefusedW6/2013/1275/EM
Retention of hardstanding
34 The Commons, Welwyn Garden City, AL7 4RP
Received 18 Jun 2013

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