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Flat 5, 90 Onslow Gardens, London, SW7 3BS

4 sales on record6 planning records
Property type
Mid terrace
Floor 01
Bedrooms
2
Bathroom
1
Floor area
130 m²
1399 sq ft
Energy rating
C
Score 77
Tenure
Owner Occupied
Overview

About Flat 5

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

Flat 5 is a two-bedroom mid-terrace house in London (SW7 3BS). It has a recorded floor area of 130 m² (around 1399 sq ft) and construction records dating it to before 1900. At 130 m² this is the 4th smallest of 5 units on EPC record in the building, where floor areas span 44–150 m². The building's EPC ratings span E to C, with this unit at the top. On EPC score it ranks first in the building (77 versus a worst of 43). Other recorded features include a balcony. The latest certificate (February 2023) shows a C (score 77), near the top of the C band. When first surveyed in September 2009 the rating was D, the property has climbed 1 band since. Between certificates, lighting went from Very Poor to Very Good. The recommended improvements would push it to B (score 84).

Across 1997–2015, sale prices on this property compounded at 9.9% per year. Today's modelled estimate of £1,910,000 is 13.2% below the 2015 sale of £2,200,000, an unusual pattern given regional price growth and worth checking against the EPC condition. On a £-per-square-foot basis, the last sale (£1,572/sq ft) was about 72.3% above the typical sold price in the postcode. At 130 m² the property is well over the postcode median (66 m² across 26 EPCs), placing it in the larger end of the local stock. 6 planning records sit against the property, 2 approved, 4 refused. Past consents include subdivision, meaningful when judging how the property has evolved. The record references listed-building consent, which constrain future alterations. Last changed hands 11 years ago, in April 2015. Across the public record there are 4 sales, relatively high churn for a single property.

Before you offer

Know exactly what you're buying at Flat 5

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
  • Bathrooms1
  • Dining roomYes

Outside

  • Communal gardenYes
  • BalconyYes
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Current Certificate(1 of 4)
Feb 2023

EPC Rating

A
B
C
C77
D
E
F
G
Main Heating
Main Fuel
Gas
Hot Water
Good
Windows
Very Poor
CO2 Emissions
3.5 t/year
Occupancy
Owner Occupied

Property Improvements

Changes detected from historical EPC data

May 2011from Sept 2009
Main Fuel
GasCommunity

Changed to a more efficient fuel source

Heating Controls
Prog + TRVsThermostat

Heating controls changed

Aug 2012from May 2011
EPC improved fromD60toC69
Feb 2023from Aug 2012
Main Fuel
CommunityGas

Fuel source changed

Low Energy Lighting
0%100%

More low energy lighting installed

Planning

Planning history

Applications and permits filed against Flat 5, 90 Onslow Gardens, London, SW7 3BS, sourced from the PlanIt planning register.

Council records show a subdivision application — the property's legal arrangement has been altered.

  1. Nov 2013
    SubdivisionHeritage
    In report

    Internal alterations to Flats 3 and 5 (upper ground and first floors) for conversion into one single apartment (Proposal A) ***WITHDRAWN***

    Council
    Thurloe and Smith's Charity
    Listed
    Documents
    13 docs on file
    Reference
    LB/13/05662
    View planning record
  2. Nov 2013
    SubdivisionHeritage
    In report

    Internal alterations to Flats 3 and 5 (upper ground and first floors) for conversion into one single apartment (Proposal C) ***WITHDRAWN***

    Council
    Thurloe and Smith's Charity
    Documents
    13 docs on file
    Reference
    LB/13/05660
    View planning record
Before you offer

We flagged 2 things worth checking at Flat 5

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.

Price for Flat 5 has grown more than fourfold since the 1997 starting point.

Current estimate

£1,910,000

Modelled from EPC, postcode comparables and a sale-price growth of 9.9% per year over 18 years.

See how we calculated this
Last sold (2015)

£2,200,000

Growth on file: 9.9% per year over 18 years.

Sales timeline

  1. 15 April 2015Most recent

    £2,200,000

    +246.5%over 14 years
  2. 18 September 2000

    £635,000

    +1.3%over 10 months
  3. 29 November 1999

    £627,100

    +56.8%over 2 years
  4. 14 March 1997

    £400,000

Median price across the last 5 sales in SW7 3BS: £935,000 (2024–2020).

Before you offerLaunch offer · save £5

Everything we know about Flat 5, 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 25 similar flats on this street, drawn from the latest EPC and Land Registry data.

On epc rating, Flat 5 stands well clear of the street.

Price per m²

£16,923

Street avg £16,022

Above

Floor Area

130 m²

Street avg 82 m²

Strongly above

Habitable Rooms

3 rooms

Street avg 3 rooms

On par

CO₂ Emissions

3.5 t/year

Street avg 3.0 t/year

Below
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. 60 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 3BS from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for SW7 3BS

Daytime· 07:00 – 23:00

58.0dB

Moderate
Night-time road noise heatmap for SW7 3BS

Night-time· 23:00 – 07:00

47.6dB

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 — 90 points of interest in total.
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about Flat 5, 90 Onslow Gardens, London, SW7 3BS. Each answer is also embedded as structured data for search engines.