1 Newby Street is a one-bedroom end-of-terrace house in Lambeth, London, London (SW8 3BQ). It has a recorded floor area of 118 m² (around 1270 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (September 2025) shows a D (score 68), on the cusp of jumping into the C band. When first surveyed in February 2009 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Poor to Average and window efficiency went from Very Poor to Average. The recommended improvements would push it to C (score 77).
Sale prices here have outpaced London HPI: 11.9% per year against 0% for the wider region. Today's modelled estimate of £1,010,000 sits 95.7% above the 2012 sale of £516,000. Last sold in July 2012, so it's been off the market for around 14 years. Across the public record there are 4 sales, relatively high churn for a single property. 6 planning records sit against the property, 4 approved, 2 refused. Past consents include tree works and an extension, meaningful when judging how the property has evolved. At 118 m² it's 18% larger than the typical home in the postcode (100 m² median across 8 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 88% of similar EPCs).
1 Newby Street has been extended on multiple sides of the property across separate planning applications.
Back Garden: T1 Silver birch (Current Height 12m) Crown Reduce the Crown Height from 12m to 9m Back to Previous Reduction Points and Crown Lift to 3m Above Ground Level
1 Newby Street has more than quadrupled in price since its earliest registered sale in 1996.
£1,010,000
Modelled from EPC, postcode comparables and a sale-price growth of 11.9% per year over 16 years.
£516,000
Growth on file: 11.9% per year over 16 years.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed analysis
A written breakdown of everything that matters
1 Newby Street outperforms the street on habitable rooms by a wide margin.
Price per m²
£4,373
Street avg £7,267
Floor Area
118 m²
Street avg 96 m²
Habitable Rooms
5 rooms
Rail-style transport is unusually close for this postcode.
Crime
12/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Silverthorne Road Clapham — bus stop.

Daytime· 07:00 – 23:00
54.3dB

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Changes detected from historical EPC data
Single glazing replaced with double or better glazing
Wall insulation improved
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
Extension: Single storey · Side of property
Demolition of the existing garage and the erection of a single storey side extension incorporating four rooflights and, the installation of an obscure glazed side window at first-floor level.
Full planning data for 1 Newby Street, Lambeth, London, SW8 3BQ
4 more on this property, plus every nearby application and full decision details, in the report.
17 July 2012Most recent
£516,000
+145.7%over 13 years1 April 1999
£210,000
+90.9%over 2 years25 March 1997
£110,000
+24.3%19 November 1996
£88,500
Median price across the last 5 sales in SW8 3BQ: £935,000 (2022–2012).
Detailed EPC data
Full energy ratings, history and recommendations
Full planning history
Every application and decision on record
Comparable sales data
Plus transport, crime, schools and air quality
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Street avg 4 rooms
CO₂ Emissions
3.8 t/year
Street avg 2.8 t/year
SW8 3DL
Closest school
0.3 km
Heathbrook Primary School. 79 schools nearby.
Flood risk
Very low
From the Environment Agency.
Night-time· 23:00 – 07:00
44.5dB