13 Sydney Mews, SW3 6HL

Flat / maisonetteBand FLeasehold

13 Sydney Mews is a leasehold flat / maisonette on Sydney Mews in SW3. It last sold for £1,500,000 in 2025 — its 2nd recorded sale, up 348% on its first recorded sale of £335,000 in 1999.

6 min walk to South KensingtonHigh crimeFlood risk medium6 of 16 schools Good+Road noise ~76 dB
51.49157, -0.17256 · SW3 6HL

What this home is

The physical record — from its EPC assessments, HM Land Registry and the VOA.

Property type
Flat / maisonette
Tenure
Leasehold

EPC data © Crown copyright; bedrooms are the register's estimate, not a survey. Tenure from HM Land Registry.

What is it worth now?

An indicative projection from its own sale record — the report's valuation prices it against individual comparable sales.

Most likely worth £1,175,000£1,250,000 today, from its £1,500,000 sale carried along the local index — in a pocket pricier than the wider area.

Most likely range today
£1,175,000£1,250,000
The last sold price carried forward along the local price index. Wider 80% range £1,100,000 – £1,350,000. It can't see condition or improvements.
Last sold (2025)
£1,500,000
The known fact every projection starts from — HM Land Registry's recorded price.
£1,500,000£1,250,000£1,175,000sold Oct 25today
£1.5m£1.25m£1.18msold Oct 25today
core 50% range wider 80% range

From the last sold price to today, along the local price index. The bands widen with time since the sale — the inner band is where the value most likely sits, the outer the wider plausible spread.

Check an asking price or an offer against this evidence…

SW3 £/m² (recent sales)£19,330
The local market
Recent sold prices around this home
Recent sold prices around this home · © MapTiler · © OpenStreetMap contributors

Recent sold prices, coloured low → high; tap a dot for its price. Positions are postcode centroids, not exact addresses. © MapTiler · © OpenStreetMap contributors

5-year
-27%
local sold prices
1-year
-25%
local sold prices
Latest-month median
£1,144,383
all types, local area
What each type sells for
Detached£12,757,065
~£19,596/m² · ~651 m² · 2 sales · last 8 yrs
Semi-detached£6,177,555
£28,210/m² · ~257 m² · 11 sales · last 5 yrs
Terraced£3,029,966
£21,617/m² · ~251 m² · 24 sales · last 2 yrs
Flat / maisonette · this home£805,607
£14,964/m² · ~74 m² · 14 sales · last 12 months
Higher or lower-priced pocket?

SW3 6 is a higher-priced pocket — median of this property type is +7% vs the wider SW3 area (last 12 months, same window both sides).

SW3 6 · postcode sector£961,500
SW3 · postcode district£900,000
Official house price index (UK HPI)

Across Kensington and Chelsea, the official average home value is £1,250,149-15% in a year, -4% over five.

Detached£4,453,900
Semi-detached£2,985,886
Terraced£2,400,183
Flat / maisonette · this home£991,929

Covers the whole Kensington and Chelsea area, not this postcode.

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The precise, comparables-based valuation

A point estimate with likely and wide ranges, built from individual comparable sales nearby — each listed with address, date, size and adjusted price.

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Comparable sales analysed
Model confidence
Point estimate
Likely range (p50) & wide range (p80)
vs the wider area (£/m² percentile)
Every comparable — address, date, size, sold & adjusted price

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Indicative range projected from HM Land Registry sold prices; not a formal valuation, survey or appraisal.

Everything on 13 Sydney Mews, unlocked

The valuation with its comparables, every application and document trail, tenure & title, the ten score workings — the full dossier for this one address.

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Sale history

Every transaction HM Land Registry records for 13 Sydney Mews, newest first.

2 recorded sales since 1999, up 348% from first to latest.

£500k£1m£1.5m£2m1999200420092014201920242026£1.04m+348%Sold 2025: £1,500,000£1.5mSold 1999: £335,000£335k
£500k£1m£1.5m£2m201520212026£1.04mSold 2025: £1,500,000£1.5m
SW3 yearly medianThis home's recorded sales

This home's recorded sales joined up, with the change between each — against SW3's yearly median.

31 Oct 2025Most recent
£1,500,000+348%
Flat / maisonette · Leasehold · +5.8%/yr since the previous sale
25 May 1999
£335,000
Flat / maisonette · Leasehold

HM Land Registry Price Paid Data; sales before 1995 are not in the public dataset.

Getting around

Stations and stops within practical reach of the front door.

South Kensington — about a 6-minute walk
Underground station. 7 lines/services nearby. Closest bus stop about 82 m away.
Stations (blue rail, indigo underground) and nearest bus stops (amber) — NaPTAN
Stations (blue rail, indigo underground) and nearest bus stops (amber) — NaPTAN · © MapTiler · © OpenStreetMap contributors
Nearest station
South Kensington
Underground
Walk time
~6 min
280 m
Lines / services
7
within reach
Nearest bus stop
82 m
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Every station, stop and line

The full station and stop list with walk times, the lines and operators from each, plus commute-time reads to the places you pick.

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Brompton Road — walk time, lines & operators
Gloucester Road — walk time, lines & operators
Sloane Square — walk time, lines & operators
Knightsbridge — walk time, lines & operators
Every bus stop & route within reach
Commute times to the places you pick

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NaPTAN and network open data; walk times assume ~80 m per minute on the street network.

Schools

The nearest primaries and secondaries, with their latest Ofsted judgement.

Good schools nearby
16 schools within range, 6 rated Good or Outstanding. Nearest is Oratory Roman Catholic Primary School (333 m).
Nearest schools — blue primary, pink secondary (DfE/Ofsted)
Nearest schools — blue primary, pink secondary (DfE/Ofsted) · © MapTiler · © OpenStreetMap contributors

Tap a pin or a name to see the school’s judgement and distance. © MapTiler · © OpenStreetMap contributors

Oratory Roman Catholic Primary School · PrimaryOutstanding333 mOfsted ↗
Our Lady of Victories RC Primary School · PrimaryGood375 mOfsted ↗
Lycee Francais Charles de Gaulle · PrimaryGood403 mOfsted ↗
Mander Portman Woodward School · Secondary380 mOfsted ↗
Lycee Francais Charles de Gaulle · SecondaryGood403 mOfsted ↗
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Results & admissions for all 16 schools in range

Every school nearby with exam performance (KS2 progress, Progress 8) benchmarked against the borough and England, admission odds by preference, capacity, and catchment likelihood for this address.

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Oratory Roman Catholic Primary School — KS2 results, admission odds & capacity
Our Lady of Victories RC Primary School — KS2 results, admission odds & capacity
Lycee Francais Charles de Gaulle — KS2 results, admission odds & capacity
Mander Portman Woodward School — Progress 8, GCSE results & admission odds
Lycee Francais Charles de Gaulle — Progress 8, GCSE results & admission odds
The other 11 schools in range, with Ofsted & distance
Catchment likelihood for this address

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Department for Education (GIAS) and Ofsted; distances are straight-line. Catchments change — always verify with the school.

The practical file

The running costs and everyday infrastructure a viewing can't show you.

Council tax band F (≈£2,408/yr) · gigabit broadband reaches 100% of premises.

Council tax
Band F
£2,408/yr · Kensington & Chelsea
Gigabit broadband
100%
of premises here
Top speed
0 Mbps
median 0 Mbps
Food hygiene

Food hygiene nearby averages 4.8/5 across 35 rated places. 1 rated 2 or below within a mile.

Nearest rated places (8)
5/5 Pj's Chelsea Brasserie11 mRestaurant/Cafe/Canteen
1/5 Cafe Romana11 mRestaurant/Cafe/Canteen
4/5 Patara Restaurant30 mRestaurant/Cafe/Canteen
5/5 King's Dog Daycare55 mTakeaway/sandwich shop
5/5 Memorial Houston Medical76 mCaring Premises
5/5 Royal Marsden Hospital79 mRestaurant/Cafe/Canteen
5/5 Friends of the Royal Marsden79 mTakeaway/sandwich shop
5/5 Sydney House Chelsea80 mRestaurant/Cafe/Canteen
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Every amenity, counted and priced

The full amenity list by category with names and distances — supermarkets to GPs to gyms — plus parks with sizes and every connectivity measure in full.

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Every amenity category, counted with nearest distances
Parks & green spaces with sizes
Connectivity measures in full

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VOA council-tax band with the authority's current rates; Ofcom broadband coverage; amenities from OpenStreetMap contributors (ODbL); EV charging from the National Chargepoint Registry; hygiene ratings from the Food Standards Agency.

The neighbourhood

Who lives here and how the area ranks — the Kensington and Chelsea 016F neighbourhood, from the Census and the Indices of Deprivation.

IMD decile 7/10less deprived than most of England; household income about 121% above the national average; shared/rented housing high.

7/10Less deprived than most of England
1 · most deprived10 · least deprived

In plain terms: income and employment score well, but a weaker living environment.

Breakdown by domain
Income10/10
Employment10/10
Education & skills10/10
Health10/10
Crime6/10
Housing & access8/10
Living environment1/10

ONS Census 2021 and the English Indices of Deprivation, at neighbourhood (LSOA/MSOA) level — the immediate pocket, not the whole postcode district.

Crime & safety

Reported street-level crime within about 400 m of SW3 6HL.

High crime
1,978 crimes over 24 months — about 82 a month, most often other theft (21%). Trend falling (+9% year on year).
Lower crime than about 55% of neighbourhoods in England.
Neighbourhood ranking from the Indices of Deprivation crime domain — relative risk of personal and property crime.
Reported crime density within ~400 m (Police.uk)
Reported crime density within ~400 m (Police.uk) · © MapTiler · © OpenStreetMap contributors

Tap a category to isolate it on the map; tap a dot for its type. Locations are anonymised by Police.uk. © MapTiler · © OpenStreetMap contributors

other theft419 (21%)
anti social behaviour390 (20%)
violent crime278 (14%)
Full breakdown — every category, monthly trend & road safety
other theft419 (21%)
anti social behaviour390 (20%)
violent crime278 (14%)
theft from the person254 (13%)
vehicle crime229 (12%)
burglary95 (5%)
public order80 (4%)
shoplifting59 (3%)
Trend over 18 months
Trend
+9%
recent vs earlier months
Earlier months
~115
incidents / month
Recent months
~105
incidents / month
202520262024-09: 113Sept 242024-11: 1292025-01: 1232025-04: 1442025-05: 932025-06: 1182025-07: 1142025-08: 892025-09: 1122025-10: 1102025-11: 1112025-12: 1252026-01: 1062026-02: 1102026-03: 1242026-04: 862026-05: 892026-06: 82Jun 26

Monthly recorded crimes within ~400 m; the dark line is the 3-month rolling average.

Road safety

38 fatal or serious collisions recorded within 500 m over 5 years — check whether these cluster at one junction.

Collisions
203
within 500 m
Per year
40.6
over 5 years
Casualties
218
all severities
Fatal0
Serious38
Slight165
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Inside all 14 crime categories

The trend inside every crime category and how this pocket compares with the wider area per 1,000 residents.

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Trend inside other theft
Trend inside anti social behaviour
Trend inside violent crime
Trend inside theft from the person
Crimes per 1,000 residents vs the wider area

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Police.uk street-level reports, positioned to protect privacy — points snap to anonymised map locations. Road collisions from DfT STATS19.

Flood & ground

Environment Agency, UKHSA and Coal Authority screening for this location.

Flood: very low
EA Flood Map for Planning — blue shading marks rivers & sea flood zones 2–3
EA Flood Map for Planning — blue shading marks rivers & sea flood zones 2–3 · © MapTiler · © OpenStreetMap contributors

Toggle between rivers-and-sea flood zones (EA Flood Map for Planning, zones 2–3 shaded) and NaFRA2 surface-water risk. © Environment Agency. © MapTiler · © OpenStreetMap contributors

Surface water (rainfall)
Medium
Chance of flooding in heavy rainfall — EA NaFRA2.
Very low
Low
Medium
High
Rivers & sea
Very Low
Likelihood of river or sea flooding today — EA NaFRA2.
Very low
Low
Medium
High
Climate outlook · 2040s–2060s (central climate scenario)
Surface waterMediumLow
Rivers & seaVery LowVery Low
No increase projected under the central climate scenario (EA NaFRA2).

Nearest watercourse: 1.8 km away.

Insurance: confirm Flood Re eligibility
Flood Re (caps premiums for at-risk homes built before 2009) may apply depending on the build date. Confirm eligibility and get quotes.
Storm overflows & water quality
9 storm overflows monitored within 3 km
Worst site (SMITH STREET MAIN LINE CSO): 6 spills over 0 hours in 2025.
Monitored overflows nearby (6)
CHURCH STREET CSO2 spillsinto R.THAMES ( TIDAL ) · 1.1 km · Thames Water
QUEEN STREET CSO2 spillsinto R.THAMES ( TIDAL ) · 1.2 km · Thames Water
SMITH STREET MAIN LINE CSO6 spillsinto R.THAMES ( TIDAL ) · 1.5 km · Thames Water
SMITH STREET SR CSO0 spillsinto THAMES TIDAL · 1.5 km · Thames Water
LOTS ROAD PS CSO1 spillsinto R.THAMES ( TIDAL ) · 1.5 km · Thames Water
RANELAGH CSO1 spillsinto R.THAMES ( TIDAL ) · 1.6 km · Thames Water
Energy infrastructure nearby

No large energy projects (solar farms, batteries, wind) within 3 km.

Radon
Lowest
< 1% of homes above action level
Coal mining
Not in a coalfield
Coal Authority
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The deep ground file

The EA planning flood zone, historic flooding and landfill within 1 km, BGS GeoSure six-theme ground-stability screening, non-coal mining hazard and coastal erosion — and what each finding means for insurance and conveyancing.

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EA Flood Map for Planning zone (rivers & sea, zones 2–3)
Historic flooding & landfill within 1 km
Ground stability — BGS GeoSure six-theme screening
Non-coal mining hazard & coastal erosion
What each finding means for insurance & conveyancing

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Environment Agency flood mapping and storm-overflow monitoring, UKHSA radon atlas, Coal Authority reporting areas and the Renewable Energy Planning Database — location screening, not a site investigation.

Noise, air & designations

DEFRA strategic mapping and planning designations at 13 Sydney Mews's location.

Mapped noise reaches ~76 dB — worth checking in person · NO₂ ~25 µg/m³
DEFRA strategic noise mapping (Lden day-evening-night) — warm colours are louder
DEFRA strategic noise mapping (Lden day-evening-night) — warm colours are louder · © MapTiler · © OpenStreetMap contributors
Road noise
DEFRA
Daytime76 dB Lden
23 dB above the 53 dB guideline — high
35guideline 5385 dB
Night71 dB Lnight
26 dB above the 45 dB guideline — high
35guideline 4585 dB
Rail noise
NOT MAPPED
DEFRA maps no significant rail noise at this plot or immediately bordering it.
Aircraft noise
NOT MAPPED
DEFRA maps no significant aircraft noise at this plot or immediately bordering it.
Nearest airport: London City, 15.4 km away — may see overflight depending on runway use.
What does a decibel sound like?
40
Quiet library
50
Quiet home
60
Conversation
70
Busy main road
80
Heavy traffic
Decibels are logarithmic: every +10 dB sounds roughly twice as loud, so 65 dB is markedly noisier than 55 — not “a little” more.
NO₂25 µg/m³Moderate
PM2.510 µg/m³Moderate
PM1016 µg/m³Moderate
How each pollutant compares — WHO guideline, UK limit & national average
NO₂
25 µg/m³Moderate
25 µg/m³
WHO 10UK limit 40
National average 3 µg/m³
PM2.5
10 µg/m³Moderate
10 µg/m³
WHO 5UK limit 20
National average 5 µg/m³
PM10
16 µg/m³Moderate
16 µg/m³
WHO 15UK limit 40
National average 8 µg/m³
Planning designations at this address
Listed buildingNo
Not statutorily listed, so the usual alteration rules apply.
!
Conservation areaYes
In a conservation area — extra controls on demolition, extensions, windows, cladding and even some trees.
!
Article 4 directionYes
Some permitted-development rights are removed here — changes that would normally be automatic may need a full planning application.
!
Tree preservation orderYes
You need consent to fell, prune or work on protected trees.

Also recorded here: Air Quality Management Area.

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All 5 planning applications near this address

Applications at and near this property with their outcomes, the local approval rate, major developments nearby, and odour sources within range.

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Planning applications at this property, with outcomes
Applications next door & nearby (within 40 m)
Local approval rate & major developments
Odour sources within range (sewage works, landfill, industry)

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DEFRA strategic noise mapping (dB Lden day / Lnight night) and modelled background air quality; designations from local plan open data.

The street and the area

Where 13 Sydney Mews sits in its local market.

SW3 median
£1,581,750
last 8 years
SW3 £/m²
£19,330
last 8 years

13 Sydney Mews: quick answers

From HM Land Registry, EPC, VOA, Police.uk, DfE and Environment Agency records.

When did 13 Sydney Mews last sell, and for how much?

13 Sydney Mews last sold for £1,500,000 on 31 Oct 2025, according to HM Land Registry.

How many times has 13 Sydney Mews been sold?

HM Land Registry records 2 sales for 13 Sydney Mews between 1999 and 2025. Sales before 1995 are not in the public dataset.

What council tax band is 13 Sydney Mews?

13 Sydney Mews is in council tax band F, costing about £2,408 a year (Kensington & Chelsea).

What is 13 Sydney Mews worth today?

Carrying its 2025 sale price forward with its own compounded sale-price growth of 5.8% a year across 2 sales suggests roughly £1,461,000–£1,679,000 as of 2026. This is indicative only — the full report values it against individual comparable sales.

What is crime like near 13 Sydney Mews?

Police recorded 1,978 crimes within about 400 m over 24 months — roughly 82 a month, most often other theft. The trend is falling. (Source: Police.uk)

What schools are near 13 Sydney Mews?

16 schools are within range, 6 rated Good or Outstanding by Ofsted. The closest is Oratory Roman Catholic Primary School (333 m). (Source: DfE/Ofsted)

What transport links are near 13 Sydney Mews?

The nearest station is South Kensington, about a 6-minute walk. The closest bus stop is about 82 m away.

Is 13 Sydney Mews at risk of flooding?

No flood warnings are in force. Surface-water (heavy rainfall) risk at this location is medium. Rivers-and-sea risk is very low. (Source: Environment Agency)

How fast is broadband at 13 Sydney Mews?

Top available download speed is around 0 Mbps. Gigabit-capable broadband reaches 100% of premises in this postcode. (Source: Ofcom)

Other homes at SW3 6HL

Recorded sales for the other addresses sharing this postcode on Sydney Mews.

HM Land Registry last recorded sale per address; unsold homes show no price.

Buying or selling 13 Sydney Mews?

The full £5 report opens every locked panel in this dossier — a precise comparables-based valuation, the itemised EPC, planning activity, school results and admissions odds, forward-looking flood risk, a negotiation read and a viewing checklist, for this exact home.

The data behind this dossier
HM Land RegistryEPC RegisterValuation Office AgencyPolice.ukDfE & OfstedEnvironment AgencyDEFRAUKHSA & BGSCoal AuthorityOfcomNaPTANOpenStreetMap

Contains public-sector data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0 where applicable. Amenity data © OpenStreetMap contributors (ODbL). Sales before 1995 are not in the public dataset. Figures describe recorded data and are not a survey or valuation of this home; the indicative range is a projection, not an appraisal. marks detail included in the £5 report.