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Get startedFlat 5, 18 Lowndes Square, London, SW1X 9HB
3 sales on record
About Flat 5
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
Flat 5 is a mid-terrace house in London (SW1X 9HB). It has a recorded floor area of 171 m² (around 1841 sq ft), construction records dating it to 1900-1929 and council tax band G. At 171 m² this is the 3rd smallest of 5 units on EPC record in the building, where floor areas span 82–306 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (December 2017) shows a C (score 74). The rating has held steady at C across 2 certificates since February 2012. Between certificates, window efficiency went from Very Poor to Average and lighting went from Poor to Very Good. The recommended improvements would push it to B (score 82).
Held since August 2000 — that's 26 years off the open market, well above the local norm. Sale prices here have outpaced London HPI: 21.7% per year against 0% for the wider region. Today's modelled estimate of £2,509,000 sits 299.5% above the 2000 sale of £628,000. On a £-per-square-foot basis, the last sale (£341/sq ft) was about 50.7% below the postcode norm. At 171 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: new windows approved in 2015. Past consents include new windows, meaningful when judging how the property has evolved.
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 2)
Dec 2017
EPC Rating
A
B
C
C74
D
E
F
G
Main Heating
Electric & Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
4.0 t/year
Occupancy
Owner Occupied
Planning history
Applications and permits filed against Flat 5, 18 Lowndes Square, London, SW1X 9HB, sourced from the PlanIt planning register.
- Jun 2015RenovationFullGranted
Replacement of windows at third floor level to rear elevation of Flats 5 and 6, No's 18 and 19 Lowndes Square.
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
Sale price has at least doubled since 1996.
Current estimate
See how we calculated this£2,509,000
Modelled from EPC, postcode comparables and a sale-price growth of 21.7% per year over 4 years.
Last sold (2000)
£628,000
Growth on file: 21.7% per year over 4 years.
Sales timeline
Launch offer · 33% off
The complete analysis of Flat 5, 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.
Flat 5 is notably below the street on price per m².
Price per m²
£3,673
Street avg £14,735
Floor Area
171 m²
Street avg 161 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
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 5, 18 Lowndes Square, London, SW1X 9HB. Each answer is also embedded as structured data for search engines.
