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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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

Decided - GrantedN6/2013/1083/FP
Replacement windows to South Wing of building
Rosanne House, Bridge Road, WELWYN GARDEN CITY, AL8 6UB
Received 24 May 2013
Decided - GrantedW6/2005/1488/EM
ERECTION OF SINGLE STOREY REAR EXTENSION
28 Marley Road, Welwyn Garden City, AL7 4BS
Received 1 Dec 2005
Decided - Withdrawn6/2015/2511/FULL
Erection of a 7no bedroom dwelling with detached garage following demolition of existing 6no bedroom dwelling and outbuildings
West End Farm, West End Lane, Essendon, Hatfield, AL9 6AZ
Received 21 Dec 2015
Decided - Granted6/2022/1742/HOUSE
Installation of roof light into existing ground floor flat roof extension
24 Lady Grove Welwyn Garden City AL7 4DU
Received 25 Jul 2022
Decided - GrantedN6/2004/0847/FP
FORMATION OF NEW ACCESS AND DRIVEWAY
31 Birchall Wood Welwyn Garden City AL7 2HL
Received 8 Jun 2004
Decided - GrantedN6/2007/1899/FP
ERECTION OF A SINGLE STOREY REAR EXTENSION FOLLOWING PARTIAL DEMOLITION OF EXISTING REAR EXTENSION
Halls House 2 Halls Close Hobbs Hill Welwyn AL6 9DF
Received 12 Dec 2007
Decided - Granted6/2019/1762/COND
Submission of details pursuant to condition 1 (Materials), 2 (Hard and Soft Landscapes), 3 (Construction Method Statement) and 4 (Cross Sections) on planning permission 6/2018/1045/FULL
29 Turpins Ride Welwyn AL6 0QU
Received 16 Jul 2019
Decided - Granted6/2020/0359/COND
Submission of details pursuant to condition 1 (Remediation) 2 (Accessible and Adaptable dwellings) 4 (Noise Assessment) 5 (Sample Materials) 6 (Cycle Parking) 11 (Refuse & Recycling) on planning application 6/2019/1172/FULL
1 Swallow End AL7 1WW
Received 10 Feb 2020
Decided - Granted6/2018/0258/COND
Approval of details pursuant to condition 1 (materials samples) on planning permission 6/2017/2157/HOUSE
15 Mannicotts Welwyn Garden City AL8 7BW
Received 24 Jan 2018
Decided - GrantedW6/2013/1241/EM
Erection of detached double garage and repositioning of existing shed
66 Rowans, WELWYN GARDEN CITY, AL7 1PD
Received 13 Jun 2013
Decided - RefusedS6/2007/1418/FP
AMENDMENT TO APPLICATION S6/2006/1582/FP, WHICH INCLUDES THE ADDITION OF A FRONT PORCH AND BAY WINDOW, AND CHANGES TO EXTERNAL FENESTRATION
THE FORGE, 5 BELL LANE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7AY
Received 20 Sept 2007
Decided - Granted6/2024/0309/COND
Submission of details pursuant to condition number 2c, 2d, and 2e (accessible housing), on planning permission 6/2021/1388/RM
First House and Hyde Valley House Hyde Valley Welwyn Garden City AL7 4NE
Received 15 Feb 2024
Decided - GrantedS6/2015/0332/FP
Erection of single storey rear extension
30 Bradmore Way, Brookmans Park, Hatfield, AL9 7QX
Received 18 Feb 2015
Decided - Granted6/2017/0535/TPO
Reduce Oaks trees T1, T2, T3 & T4 by 3m on height and 2.5m in width covered by TPO 108 (1986)
3 Mardley Wood Welwyn AL6 0UY
Received 17 Mar 2017
Decided - RefusedS6/2013/2598/FP
Erection of single storey rear extension following demolition of existing garage and garden shed/store
53 Broad Acres Hatfield AL10 9LE
Received 11 Dec 2013
Decided6/2019/3105/TC
Reduce 1 x American Gum Tree by 6 feet crown reduction (Tree T2 on diagram) Reduce 2 x Cherry Tree by 9 feet crown reduction (Trees T3 and T4 on diagram) Pollard 1 x Willow Tree by 9 feet (Tree T5 on diagram)
24 Dellcott Close Welwyn Garden City AL8 7BD
Received 9 Dec 2019
Decided6/2017/2679/TPO
T4 - Elder to fell to ground level T6 - T13 five Ash trees and three Sycamore trees fell to ground level T14 Mature Sycamore tree to crown clean and cable brace several limbs T15 Coppice Hazel and T16 Ash tree to fell to ground level and remove stump - Conservation Area
The Two Brewers 1 Northaw Road West Northaw Potters Bar EN6 4NW
Received 17 Nov 2017
Decided - RefusedN6/2014/0469/TC
Removal of Ash tree and reduction of two Ash trees and two Douglas Fir trees
Meadow Cottage, Lord Mead Lane, Ayot St Lawrence, Welwyn, AL6 9BW
Received 4 Mar 2014
Decided - Granted6/2016/0059/HOUSE
Erection of single storey rear extension, alteration to openings, new driveway and crossover
52 Bridge Road, Welwyn Garden City, AL8 6UR
Received 15 Jan 2016
Decided6/2020/1549/TC
Reduce right hand side of 1 x Magnolia tree (T1) by up to 1.5 m to bring into shape and reduce crown of 1 x Deodar Cedar (T2) by approx. 2m to leave a reshaped crown. Leave natural growth where at all possible.
40 Applecroft Road Welwyn Garden City AL8 6LA
Received 30 Jun 2020
Decided - Granted6/2022/0923/HOUSE
Erection of a single storey rear extension following the demolition of an existing porch and conservatory and the modification of an existing roof and dormer windows to front elevation and a change to the external materials to the front elevation.
39 Ayot Green Ayot St Peter Welwyn Hertfordshire AL6 9AB
Received 19 Apr 2022
Under Consideration6/2026/1654/EMT
T1 - Ash tree - 2-3 crown reduction, remove deadwood T2 - Oak tree - 2-3m crown reduction T3 - Oak tree - crown reduction back too previous growth points T4 - Oak tree - 2-3m crown reduction T5 - Hornbeam - 5m crown lift T6 T7 T8 - Hornbeams - 2-3m crown reductions
76 Brockswood Lane Welwyn Garden City AL8 7BQ
Received 21 Sept 2026
Decided - Refused6/2024/1018/LAWP
Certificate of lawfulness for a detached flat roof garage and gym
93 Harmer Green Lane Digswell Welwyn AL6 0EY
Received 31 May 2024
Decided - Granted6/2024/1905/EMT
1 x Hornbeam to reduce by approximately 2m in height and width. Remove any deadwood greater than 30mm in diameter. Tree has started to dominate large section of the garden as well as large portion overhanging the neighbouring garden
72 Sweet Briar Welwyn Garden City AL7 3EA
Received 4 Oct 2024

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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Guides to planning records

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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