PlanWire › Planning applications by postcode › SG3

Planning applications in SG3

Search 3,218 planning applications in the SG3 postcode district. Each links to the council's own record. Free email alerts.

3,218Applications recorded
6Authorities shown
17 Sept 2026Index last rebuilt

Recent applications in SG3

ReferenceSite & proposalDecisionReceived
26/02332/TCA Larch House Old Knebworth Lane Knebworth Hertfordshire SG3 6FSR1: Robinia - Remove. Not recorded 16 Sept 2026
26/02149/FPH 159 Park Lane Old Knebworth Knebworth Hertfordshire SG3 6PRSingle storey rear and front extensions following demolition of existing rear element. Not recorded 10 Sept 2026
26/02159/DOC 66 Park Lane Knebworth Hertfordshire SG3 6PWDetails reserved by Condition 6 (Construction Method Statement) of outline planning permission reference 23/02946/OP granted on 18.06.2025. Not recorded 8 Sept 2026
26/02225/TCA 45 Stockens Green Knebworth Hertfordshire SG3 6DQT1: Silver Birch - Reduce crown by around 30% (around 2-3m) to bring back into proportion and reduce wind and stress loading on the main ste Not recorded 7 Sept 2026
26/02039/FP 77 Park Lane Old Knebworth Knebworth Hertfordshire SG3 6PPErection of one detached three-bedroom dwelling including detached double garage with Air Source Heat Pump and soft and hard landscaping wor Not recorded 3 Sept 2026
26/02001/FPH 6 Gun Meadow Avenue Knebworth Hertfordshire SG3 6BSSingle storey infil side extension to link existing garage to dwelling. Insertion of dormer windows to existing rear and side roofslopes. Al Not recorded 1 Sept 2026
3/26/1207/HH 1 Raffin Park Datchworth Hertfordshire SG3 6RRDemolition of existing side extension and construction of replacement two storey side extension. Alterations to openings and new windows. Re Not recorded 28 Aug 2026
26/01985/S73 66 Park Lane Knebworth Hertfordshire SG3 6PWVariation of conditions 1 and 14 (Revised Plans-Ecological Enhancements) of Reserved Matters application reference 25/01658/RM granted 28.11 Not recorded 27 Aug 2026

Get planning alerts

Authorities with records in SG3

A postcode district can straddle more than one local planning authority. These are the authorities holding records in SG3.

Get SG3 applications by API

Historical samples are available on Free. Current data and API monitoring require a paid plan.

GET https://api.planwire.io/v1/applications?postcode=SG3

View API plans