Planning applications in Welwyn Hatfield
56 Marley Road Welwyn Garden City AL7 4BS
Proposed installation of solar panels to rear roof of property
1 Dellcott Close Welwyn Garden City AL87BB
Installation of 18 solar panels - eight on the front roof slope, five on the rear pitched roof and five panels on a low-profile MCS-approved flat roof...
23 The Ridgeway Cuffley Potters Bar EN6 4BB
Erection of a part double storey front extension - part double storey rear extension with inset balconies - 0.8m increase in ridge height and installa...
55 Rosedale Welwyn Garden City AL7 1DP
Removal of chimney stack and making good void to match existing tiles and appearance; installation of CCTV camera at front of house and installation o...
21 Windhill Welwyn Garden City AL7 1RH
Installation of solar panels
10 Graysfield Welwyn Garden City AL7 4BL
Single story rear extension with 8 solar panels
1 Great Break Welwyn Garden City AL7 3EZ
Installation of solar panels
10 Graysfield Welwyn Garden City AL7 4BL
Erection of a single storey rear extension with 8 solar panels
165 Handside Lane Welwyn Garden City AL8 6TA
Proposed installation of an air source heat pump, solar panels, battery storage and an EV charging point
Land West of Woolmer’s Park The Hay Barn (Howell Court Farm) Essendon AL9 5RL
Demolition of existing agricultural barn and erection of a replacement self-build dwellinghouse with associated access, parking, landscaping, installa...
City Park Swiftfields Welwyn Garden City AL7 1LT
Change of use of existing industrial unit (Use Class B2) to Use Classes E(g)(iii) (Industrial Processes), B2 (General Industrial) and B8 (Storage and ...
Christchurch Baptist 110 Parkway Welwyn Garden City AL8 6HN
Installation of a Solar PV system on the flat roof section of the building
The Oak Tree Ellenbrook Lane Hatfield AL10 9NT
Part conversion of detached outbuilding to an annexe, alteration to fenestration and the roof and installation of solar panels to the roof of the outb...
15 Guessens Road Welwyn Garden City AL8 6QL
Erection of two storey rear extension, single storey side and rear extensions following demolition of existing garage, insertion of rooflights and ins...
40 Brookside Crescent Cuffley Potters Bar EN6 4QN
Erection of two-storey front, side and rear extensions and alterations to the roof, including a crown roof to the rear, following partial demolition o...
3 Coneydale Welwyn Garden City AL8 7RX
Installation of solar panel on rear south-facing roof
University Of Hertfordshire College Lane Campus College Lane Hatfield AL10 9AB
Installation of plant and machinery comprising Air Source Heat Pumps (ASHP), Electrical Panels and Variable Refrigerant Flow (VRF) systems to serve th...
8 High Grove Welwyn Garden City AL8 7DW
Installation of 8 solar panels on garage roof
83 Brookmans Avenue Brookmans Park AL9 7QG
Erection of a self build two and half storey detached dwelling and front boundary wall and vehicular gates following the demolition of the existing dw...
6 Ramblers Way Welwyn Garden City AL7 2JX
Installation of air source heat pump to rear north elevation of dwelling
358 Knightsfield Welwyn Garden City AL8 7NG
Install solar panels on rear roof of property. Install backup battery on side of property. Install EV charger at front of property.
12 Guessens Road Welwyn Garden City AL8 6QR
Changes to driveway and front garden. Addition of electric charging point. Addition of summerhouse in back garden
63 Valley Road Welwyn Garden City AL8 7DH
Installation of an Air Source Heat Pump in the rear garden
1 Fern Grove Welwyn Garden City AL8 7ND
Installation of a solar PV array on the first-floor flat roof, consisting of a standard flat roof mounting system (VanDerValk) with 12 panels arranged...
163 Heronswood Road Welwyn Garden City AL7 3EJ
Installation of 14 all-black solar photovoltaic (PV) panels on the roof slope
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Data updated 10 May 2026. Source: Welwyn Hatfield planning portal.