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Get startedFlat 7, 18 Lowndes Square, London, SW1X 9HB
3 sales on record
About Flat 7
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
Flat 7 is a mid-terrace house in London (SW1X 9HB). It has a recorded floor area of 233 m² (around 2508 sq ft), construction records dating it to 1900-1929 and council tax band G. The latest certificate (March 2018) shows a C (score 76), near the top of the C band. When first surveyed in June 2009 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Good, roof efficiency went from Very Poor to Good and window efficiency went from Very Poor to Very Good.
Sale prices here have outpaced London HPI: 15.1% per year against 0% for the wider region. Today's modelled estimate of £3,801,000 is 68.4% below the 2021 sale of £12,015,000, an unusual pattern given regional price growth and worth checking against the EPC condition. On a £-per-square-foot basis, the last sale (£4,791/sq ft) was about 699.9% above the typical sold price in the postcode. At 233 m² the property is well over the postcode median (128 m² across 19 EPCs), placing it in the larger end of the local stock. One planning record on file: subdivision approved in 2013. Past consents include subdivision, meaningful when judging how the property has evolved. Last sale on file: £12,015,000 in January 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
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)
Mar 2018
EPC Rating
A
B
C
C76
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Very Good
CO2 Emissions
4.1 t/year
Occupancy
—
Planning history
Applications and permits filed against Flat 7, 18 Lowndes Square, London, SW1X 9HB, sourced from the PlanIt planning register.
Council records show a subdivision application — the property's legal arrangement has been altered.
- Jun 2013SubdivisionFullGranted
Amalgamation of flats 7 and 8 (fourth floor) to create a single three bedroom apartment [Site includes 18 & 19 Lowndes Square].
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
Latest sale on Flat 7 was the highest on Land Registry record across the postcode.
Current estimate
See how we calculated this£3,801,000
Modelled from EPC, postcode comparables and a sale-price growth of 15.1% per year over 24 years.
Last sold (2021)
£12,015,000
Growth on file: 15.1% per year over 24 years.
Sales timeline
Launch offer · 33% off
The complete analysis of Flat 7, 18 Lowndes Square, London, SW1X 9HB
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
An AI-written breakdown of everything that matters
Versus other Lowndes Square homes
Four headline reads against 19 similar flats on this street, drawn from the latest EPC and Land Registry data.
On price per m², Flat 7 stands well clear of the street.
Price per m²
£51,567
Street avg £10,381
Floor Area
233 m²
Street avg 157 m²
CO₂ Emissions
4.1 t/year
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor 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
5/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Sloane Street / Knightsbridge Station — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around SW1X 9HB from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
59.7dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 79 points of interest in total.
Common questions
The questions buyers, sellers and homeowners most often ask about Flat 7, 18 Lowndes Square, London, SW1X 9HB. Each answer is also embedded as structured data for search engines.
