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1a, Onslow Gardens, Kensington And Chelsea, London, SW7 3LX

2 planning records
Property type
Semi-detached
Floor 00
Bedrooms
2
Bathrooms
2
Floor area
164 m²
1765 sq ft
Energy rating
D
Score 57
Tenure
Private Rental
Overview

About 1a

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

1a is a two-bedroom semi-detached house in Kensington And Chelsea, London, London (SW7 3LX). It has a recorded floor area of 164 m² (around 1765 sq ft) and construction records dating it to before 1900. The latest certificate (January 2021) shows a D (score 57), a step below the typical UK home. The recommended improvements would push it to C (score 78).

At 164 m² it's 29.1% larger than the typical home in the postcode (127 m² median across 11 EPCs). 2 planning records sit against the property, 2 approved, 0 refused.

Before you offer

Know exactly what you're buying at 1a

Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.

Already flagged here

Signs of HMO activity in the areaLarger development activity nearby
£9.99£14.99

Launch offer · save £5

Trusted by UK homebuyers

Valuation

against the asking price

Risks

planning & flood

Sold prices

similar homes nearby

Trends

the local market

Specifications

What this property has

Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.

Inside

  • Bedrooms2
  • Bathrooms2

Outside

  • Private gardenYes

Building

  • RefurbishedYes
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

1a's carbon output runs well above what efficient homes in the postcode produce.

EPC Rating

A
B
C
D
D57
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Very Poor
CO2 Emissions
7.1 t/year
Occupancy
Rented
Planning

Planning history

Applications and permits filed against 1a, Onslow Gardens, Kensington And Chelsea, London, SW7 3LX, sourced from the PlanIt planning register.
  1. Sept 2001
    RenovationFull
    In report

    Replacement and repair of entrance terrace paving and waterproofing membrane; realignment of entrance gate and replacement of existing stone steps.

    Council
    Thurloe and Smith's Charity
    Reference
    PP/01/01891
    View planning record
  2. Sept 2001
    RenovationHeritage
    In report

    Replacement and repair of entrance terrace paving and waterproofing membrane; realignment of entrance gate and replacement of existing stone steps.

    Council
    Thurloe and Smith's Charity
    Reference
    LB/01/01892
    View planning record
Before you offer

We flagged 2 things worth checking at 1a

Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.

  • Signs of HMO activity in the area
  • Larger development activity nearby
£9.99£14.99

30-day money-back guarantee

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

1a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.

Current estimate

£2,919,000

Modelled from EPC, postcode comparables.

See how we calculated this

No sales recorded with HM Land Registry

That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.

Median price across the last 5 sales in SW7 3LX: £900,000 (2022–2011).

Before you offerLaunch offer · save £5

Everything we know about 1a, in one report

What it's really worth, what could be wrong, and the planning, sales and area data in full.

What we flagged

  • Signs of HMO activity in the area
  • Larger development activity nearby
£9.99£14.99
Trusted by UK homebuyers
Preview of the full property report
On the street

Versus other Onslow Gardens homes

Four headline reads against 11 similar flats on this street, drawn from the latest EPC and Land Registry data.

EPC Rating

57 (D)

Street avg 66 (D)

Below

Floor Area

164 m²

Street avg 141 m²

Above

CO₂ Emissions

7.1 t/year

Street avg 4.8 t/year

Below

Habitable Rooms

4 rooms

Street avg 4 rooms

On par
Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the London district page.

Rail-style transport is unusually close for this postcode.

Crime

10/mo

Rising year-on-year across the wider district.

Nearest stop

0.2 km

Onslow Gardens South Kensington — bus stop.

Closest school

0.3 km

Our Lady of Victories RC Primary School. 61 schools nearby.

Go deeper on the local area

The full report breaks down crime, transport links, schools and air quality in depth.

Noise

Road noise across the postcode

Modelled day and night-time noise levels around SW7 3LX from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for SW7 3LX

Daytime· 07:00 – 23:00

59.1dB

Moderate
Night-time road noise heatmap for SW7 3LX

Night-time· 23:00 – 07:00

48.8dB

Low
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4
Map

Everything within walking distance

Schools, transport stops and scenic spots near this property — 91 points of interest in total.
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 1a, Onslow Gardens, Kensington And Chelsea, London, SW7 3LX. Each answer is also embedded as structured data for search engines.