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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2009/2555/AD
INSTALLATION OF 4 NON-ILLUMINATED FASCIA SIGNS
14 HOWARD COURT, TEWIN ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1BW
Received 12 Nov 2009
Decided - GrantedS6/2006/0017/LU
CERTIFICATE OF LAWFULNESS (PROPOSED) FOR LOFT CONVERSION TO HABITABLE SPACE INCORPORATING REAR DORMER WINDOW
21 Holloways Lane Welham Green Hatfield AL9 7NR
Received 6 Jan 2006
Decided - Granted6/2018/1408/TPO
Reduce 3 x Scots Pine trees (T1-T3), 1 x Silver Birch tree (T4), 2 x Hornbeam trees (T5-T6), 2 x Ash trees (T7-T8), and 2 x Sycamore trees (T11-T12) by 25 %.1 x Scots Pine tree (T9) by 30% covered by TPO 230
37A Turpins Ride Welwyn AL6 0QX
Received 25 May 2018
Decided - Granted6/2019/3117/FULL
Erection of 3x dwellinghouses following demolition of existing house, bungalow and outbuildings
15 Digswell Park Road Welwyn Garden City AL8 7NW
Received 9 Dec 2019
Decided - GrantedN6/2004/0806/FP
ERECTION OF PART TWO STOREY PART SINGLE STOREY SIDE EXTENSION
43 Digswell Park Road Welwyn Garden City AL8 7NW
Received 1 Jun 2004
Decided - Granted6/2016/1837/PN15
Prior approval for the installation of a 15m. high phase 5 monopole and 2 no. equipment cabinets following the removal of existing lamppost antenna shroud and 1 no. equipment cabinet
Viaduct Lamppost, Bessemer Road, Welwyn Garden City, AL7 1UA
Received 7 Sept 2016
Decided - Granted6/2026/1012/HOUSE
Erection of side dormers and front and rear hip-to-gable enlargement to facilitate loft conversion to habitable space, installation of windows, formation of roofs over front bay windows and increase height of boundary treatment to facilitate new rear decking area
3 Burleigh Way Cuffley Potters Bar EN6 4LJ
Received 9 Jun 2026
Decided - Refused6/2023/0980/HOUSE
Erection of a part first floor extension, ground floor infill with modification to existing dormer, new ground floor windows and internal modifications
46 New Road Woolmer Green SG3 6LB
Received 9 May 2023
Decided - Granted6/2025/1737/HOUSE
Erection of a single storey rear extension, hip to gable loft conversion, installation of a flat roof rear dormer and a pitch roof dormer and rooflight to the front roof slope. Installation of an obscure glazed window on the first floor side elevation of the dwelling, demolition of an existing chimney stack, installation of 4x rooflights to the existing front projection and render finish to external walls.
16 Westland Drive Brookmans Park AL9 7UQ
Received 15 Aug 2025
Decided - GrantedS6/2007/1111/FP
SINGLE STOREY EXTENSION TO GARAGE
19 Great North Road Brookmans Park Hatfield AL9 6LB
Received 26 Jul 2007
Decided - GrantedS6/2007/0510/AD
ERECTION OF THREE FLAG POLES WITH ADVERTISEMENT FLAGS
H R OWEN PARK, 174 GREAT NORTH ROAD, HATFIELD, HERTFORDSHIRE, AL9 5JN
Received 28 Mar 2007
Decided - GrantedW6/2014/0430/EM
Alteration to side elevation to close off window and insert extractor vent
33 Attimore Road, Welwyn Garden City, AL8 6LQ
Received 27 Feb 2014
Appeal Decided - AllowedS6/2009/2723/FP
ERECTION OF ONE BEDROOM DWELLING
LANE ADJACENT, 2 ACORN LANE, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4JQ
Received 30 Dec 2009
Decided - GrantedN6/2009/1054/LB
PART DEMOLITION AND ALTERATION OF THE EXISTING LISTED BUILDING FOR COMMUNITY USES
FORMER ROCHE PRODUCTS LTD, BROADWATER ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3AY
Received 2 Jun 2009
Decided - GrantedW6/2004/1367/EM
ALTERATIONS TO FRONT ELEVATIONS OF GARAGE TO INCLUDE INSERTION OF GLAZED WINDOWS
12 The Valley Green, Welwyn Garden City, AL8 7DQ
Received 9 Sept 2004
Decided - GrantedN6/2014/2655/NM
Non material amendment following approval of planning permission N6/2014/1983/FP - Increase the width of conservatory from 3200mm to 3500mm and to introduce pillars to the front corners of the conservatory
35 Somersham Welwyn Garden City AL7 2PZ
Received 9 Dec 2014
Decided - GrantedN6/2009/2392/FP
ERECTION OF NEW DWELLING
3 Larch Lane Welwyn AL6 0UJ
Received 28 Oct 2009
Decided - Granted6/2021/0699/HOUSE
Erection of part single and part two storey side extension and revised parking layout
6 Hanbury Cottages Hanbury Lane Essendon Hatfield AL9 6AY
Received 3 Mar 2021
Appeal Decided - Split6/2021/1675/LAWE
Certificate of lawfulness for the existing stables within the site of the dwelling.
Garden Cottage Danesbury Park Road Welwyn AL6 9SE
Received 25 May 2021
Decided - Granted6/2021/0492/EM
Installation of new greenhouse 1.93m x 3.19m (6ft x 10ft) in rear garden
14 Meadow Green Welwyn Garden City AL8 6SS
Received 15 Feb 2021
Decided - GrantedN6/2013/0981/FP
Retention of hardstanding
41 Broomhills, WELWYN GARDEN CITY, AL7 1RE
Received 9 May 2013
Decided - GrantedN6/2014/0832/TC
Clean to remove all dead, diseased and broken branches 2cm in diameter and larger throughout crown to improve health and appearance and reduce risk of branch failure. Thin crown to remove approximately 20% of live branches to improve light and air penetration through crown. Most thinning cuts will be between 1cm and 3cm's in diameter. Reduce crown spread by approximately 0.5m to 1m's to enhance natural form
6 Handside Green, Welwyn Garden City, AL8 6SQ
Received 8 Apr 2014
Decided - Granted6/2017/0649/FULL
Erection of a three storey, 4-bedroom detached dwelling with associated parking, following the demolition of existing storage unit (B8).
53A Great North Road Welwyn Garden City AL8 7TL
Received 30 Mar 2017
Decided - Granted6/2024/0661/EMT
Removal of existing hedge to front of property and to replace hedge with evergreen mature shrubs which will form a hedge.
15 Marley Road Welwyn Garden City AL7 4BT
Received 8 Apr 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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Planning permission drawings: how to read plans
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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.
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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