Planning applications in SG3
We hold 122 planning applications for the SG3 postcode area, 69 of them submitted in the past year. 92% of decided applications here were approved. A decision typically takes 49 days. The area is covered by North Hertfordshire, East Hertfordshire, Welwyn Hatfield.
Towns and villages in SG3
Councils covering SG3
Recent applications in SG3
R1: Robinia - Remove.
Demolition of existing side extension and construction of replacement two storey side extension. Alterations to openings and new windows. Replacement cladding, render, brickwork and roof tiles. Widening of driveway.
Single storey rear and front extensions following demolition of existing rear element.
Demolition of garage, side and rear brick structure, raising of roof and roof alterations to provide additional accommodation to first floor, erection of two-storey rear and side extension, ground floor side extension with attached garage and storage room, first floor rear balcony, roof lights to front and rear. Garden patio with outdoor kitchen with pergola. Erection of front gates and landscaped brick wall to front entrance
Details reserved by Condition 6 (Construction Method Statement) of outline planning permission reference 23/02946/OP granted on 18.06.2025.
Change of use land and siting of 8 storage containers. (Development already carried out).
T1: Silver Birch - Reduce crown by around 30% (around 2-3m) to bring back into proportion and reduce wind and stress loading on the main stem connection.
Erection of one detached three-bedroom dwelling including detached double garage with Air Source Heat Pump and soft and hard landscaping works following demolition of existing detached structures.
External wall insulation and timber boarding added to east wall. Front door design updated, bi-fold doors changed to 6 doors and addiotnal rooflight added to landing outside bedroom 6 (as Non-Material Amendment to Planning Permission 26/00817/FPH granted 03.06.2026)
Single storey infil side extension to link existing garage to dwelling. Insertion of dormer windows to existing rear and side roofslopes. Alterations to fenestration.
Variation of conditions 1 and 14 (Revised Plans-Ecological Enhancements) of Reserved Matters application reference 25/01658/RM granted 28.11.2025 for reserved matters (appearance, landscaping, layout, scale and internal access) for the erection of 9 dwellings with associated landscaping, parking and amenity space pursuant of outline permission 23/02946/OP granted 19.06.2025.
Erection of part single, part two storey rear extension, new windows and doors to existing side and rear elevations and installation of rooflight within the rear roofslope
Variation of condition 2 (approved plans) pursuant to planning permission (ref: 3/26/0652/HH/Dated 31/07/2026) for (Part single/part two storey rear extension and alterations to fenestration). The amendments include changes from a flat roof to a pitched roof incorporating rooflights
T1: Yew - Clear from path & reduce away from no 68. T2: Beech- Girdle ivy at 1.5m. T3: Oak - Remove 4x Elm, 3x Sycamore, 1x Norway Maple from under its crown & reduce lowest roadside limb that is resting in Sycamore by 2-3m & Second limb above Highway by 2-3m. T4, T5: Holly - Girdle ivy at 1.5m. T6: 4x Hornbeam- Reduce/re-pollard back to boundary. T7: Oak, 2x Sycamore - Remove from beneath Ash, Oak & Lime. T8: Philadelphus - Remove 2x ivy covered stems & 1x Ivy covered
T25: Pear - Remove
T1: Linden - Reduce by 1/3. T2: Sycamore - Remove. T10, T11: Sycamore - Remove. T12: Liquid Amber - Remove. T13: Elder - Remove. T16: Hawthorn - Remove. T17: Damson - Remove. T18: Silver Birch - Remove. T19: Apple - Remove. T20: Horse Chestnut - Reduce up to 1/3. T21: Oak - Reduce up to 1/3. T22: Horse Chestnut - Reduce up to 1/3. T23: Fir - Remove. T24: Hazel - Remove trunks.
2x Fir - Reduce in height by 3m removing the over hanging branches.
Erection of building for church hall use including car parking, hard and soft landscaping, bin store and air source heat pump enclosure on south-west elevation. Alterations to existing vehicular access.
Details reserved by condition 7 (Archaeological Written Scheme of Investigation) of reserved matters application reference no 25/01658/RM granted 28.11.2025.
Single storey rear extension. Alterations to existing garage including insertion of front window following removal of garage door and raising roof to facilitate garage conversion. Erection of open-sided front porch and pitched roof above existing front bay window.
Single storey rear extension following demolition of existing side/rear element.
Non-material amendment to 3/26/0652/HH, changes from a flat roof to a pitched roof incorporating rooflights
Enlargement of existing front dormer windows and insertion of 2 no. front rooflights. Insertion of rear box dormer with 2 no. Juliette balconies. Replacement flat roof above existing rear element and demolition of existing conservatory. Front porch extension and alterations to fenestration.
Rear roof extension including insertion of rear dormer window and side rooflights to facilitate additional accommodation at first floor level following removal of existing rear dormer window.
Replace existing windows to front, side and rear elevations.
Variation of Condition 2 (approved plans) pursuant to planning permission (ref: 3/25/1635/FUL/Dated 01/04/2026) for (Demolition of existing dwelling and erection of 1 x detached replacement dwelling incorporating an air source heat pump and erection of a bin/cycle store). The amendments include changes to the design to indicate section of render and two sets of patio doors to rear
Single storey side and rear extensions with car port following removal of existing detached rear garage and shed.
Erection of single storey detached outbuilding for recreation use.
Conversion of the existing integral garage to habitable accommodation, and the construction of a single storey front extension to provide an attached garage with storage above, including a retaining wall and entrance gate, formation of a dropped kerb, installation of rooflights and solar panels, and alterations to fenestration
Details reserved by BNG Condition of planning permission reference 26/00260/FP granted 28.04.2026.
Ref: 18089 We write on behalf of our client Xela Energy Ltd to formally request an Environmental Impact Assessment (EIA) Screening Opinion from Stevenage Borough Council under Regulation 6 of the Town and Country Planning Regulations 2017
No raising of roof required, flat roof dormers (as existing design), Juliette balconies to rear dormer, extension of porch roof and no single storey rear extension as non-material amendment to planning permission reference 25/03244/FPH granted on 12.02.2026).
Erection of attached single storey garage to side elevation following demolition of existing detached side single storey shed.
Removal of conservatory, part single/part two storey rear extension, garage conversion into habitable space including raising of roof, patio area and alterations to openings
Part single/part two storey rear extension and alterations to fenestration
Single storey rear extension following demolition of existing conservatory
2 x Hornbeam - Reduce by 3.5m height
Installation of front brick wall including brick piers, coping stones, metal railings, and vehicular access gate following removal of existing timber picket fence and vehicular gate.
Erection of two storey side extension following demolition of existing ground floor side extension
Single storey rear extension.
Insertion of front bay window following removal of existing garage doors to facilitate garage conversion into habitable accommodation. Front entrance porch and installation of side canopy. Insertion of rooflights to existing rear element roofslope. Alterations to fenestration. Erection of boundary wall/railings and installation of entrance gates.
Single storey rear extension
T1: Oak - 2 -3 m Reduction (approx 30%). T2: Ash - Crown tidy and deadwood removal
Discharge of Condition 5 (Arboricultural Method Statement and Tree Protection Plan) attached to 3/25/1746/HH
Erection of one self-build dwelling including ancillary annexe following demolition of existing dwelling to including parking, hard and soft landscaping and installation of rear swimming pool.
Front boundary brick wall and installation of gate and fencing.
Erection of building for general industrial use including car parking, refuse, cycle storage and landscaping.
Single storey rear extensions. NORTH HERTS DISTRICT COUNCIL: ADJACENT AUTHORITY : CONSULTEE ONLY
Single storey rear extension following demolition of existing conservatory. Insertion of front and rear ground floor window following removal of existing garage doors and roller shutter to facilitate conversion of garage into habitable accommodation.
Insertion of utility room rooflight (as Non-Material Amendment to planning permission 25/02928/FPH granted 08.01.2026).