3b, Lindfield Gardens, London, NW3 6PX

3b is a three-bedroom detached house in London (NW3 6PX). It has a recorded floor area of 118 m² (around 1270 sq ft), construction records dating it to 1900-1929 and council tax band F. Tenure is freehold. The latest certificate (March 2024) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in January 2011 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Average to Good and main heating went from Average to Good; while window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 79). At 118 m² this is the 25th smallest of 41 units on EPC record in the building, where floor areas span 18–265 m². The building's EPC ratings span E to B across 41 units on file. Other recorded features include a balcony.

It changed hands recently, sold February 2025 for £1,220,000. Today's modelled estimate of £1,383,000 is 13.4% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£961/sq ft) was about 91.1% above the typical sold price in the postcode.