Property profile

Flat 27William Street

Map showing Flat 27, William Street, Windsor

Property Price
150k200k250k300k400k500k750k1.5M

Estimated sale price

£290,000

Flats sold in Eton & Castle

The box shows the middle 50% of flats sale prices, the whiskers show the 5th to 95th percentile, and the marker shows this property's estimated price.

Half of similar homes sold within the box; most sold within the wider line.

An indicative model estimate, not a survey or formal valuation.

This property vs market

Price per sq ftLocal median £479 per sq ft
£413 per sq ftEstimate vs local median: −£65 per sq ft (−14%)
Local sold pricesMedian for flats in Eton & Castle
£302,500Estimate vs local median: −£13,000 (−4.4%)
How this estimate is calculated

Area360's automated valuation uses available property details, recorded sales and local market data to estimate a sale price. This automated estimate is a guide, not a survey, mortgage valuation or formal valuation. See the valuation methodology and limitations.

Estimate calculated .

Property facts

Property typeFlat / End-Terrace
Construction period1983-1990
Floor area65 m² / 700 sq ft
Rooms3 habitable / 1 heated
Floor level3
EPC ratingC
EPC inspection17 Aug 2023

Sales history

No recorded sales for this property in HM Land Registry data.

Local market

Property prices in Eton & Castle

Median price: £462,500
Price per sq ft: £546
Sales (last 12 months): 140
Typical range (middle 50%): £322K – £675K

Based on 140 recent sales, the median property price is £462,500 (about £546 per square foot) in Eton & Castle area, with individual transactions ranging from £121,500 up to £2,450,000.

Prices by property typelast 12 months

Median sale price, median price per square foot, sales count, and percentile information for each property type in Eton & Castle over the last year.
TypeSalesMedian£/sq ft
Semi-Detached26£670,000£553
Detached14£630,000£597
Terraced48£527,500£586
Flats52£302,500£479

10-year price trendmedian sale price in Eton & Castle

Sale price

Ten year median sale price trend for each property type in Eton & Castle.
YearDetachedFlatsSemi-DetachedTerraced
2016£696,500£290,000£705,000£600,000
2017£515,000£370,000£616,500£567,750
2018£750,000£380,000£455,000£527,500
2019£577,500£363,750£436,500£510,000
2020£760,000£395,000£789,500£635,000
2021£915,000£348,000£525,000£586,250
2022£716,000£351,000£717,500£615,000
2023£592,500£350,000£617,500£545,000
2024£680,000£336,250£575,000£584,500
2025£615,000£322,000£635,000£607,928
2026£710,000£299,975£575,000£560,000
Ten year median sale price trend for each property type in Eton & Castle.

Price per sq ft

Ten year median sale price per square foot trend for each property type in Eton & Castle.
YearDetachedFlatsSemi-DetachedTerraced
2016£459£697£577£561
2017£484£567£554£563
2018£516£549£490£572
2019£530£536£471£540
2020£541£565£508£536
2021£605£496£493£559
2022£596£518£577£594
2023£571£551£534£604
2024£540£518£511£598
2025£571£503£576£615
2026£647£488£523£609
Ten year median sale price per square foot trend for each property type in Eton & Castle.

Price distribution by property typelast 12 months

Price distribution by property type for Eton & Castle in the last year.

Recent sales

There were 14 recent sold properties in the last 18 months near SL4 1BB.

Recent sold properties in the last 18 months near SL4 1BB
DateAddressTypeTenurePriceMap
26 Jun 2026Flat 5, Mulberry House, 3, William Street, Windsor, SL4 1BBFlatsLeasehold£300,000
14 Oct 202565, Peascod Street, Windsor, SL4 1DEOtherFreehold£387,500
06 Feb 20263, Chariotts Place, Windsor, SL4 1ELFlatsLeasehold£272,000
17 Mar 20268C, Queen Annes Court, Peascod Street, Windsor, SL4 1DGOtherLeasehold£265,000
23 May 20256, Charles House, Ward Royal, Windsor, SL4 1SRFlatsLeasehold£285,000

Other properties at this postcode

AddressTenureFloor areaLast sale
23 William Street, WindsorFreehold53 m²£5,025,000 (2013)
25, William Street, WindsorLeasehold53 m²£104,000 (1999)
Flat 1 Mulberry House, 3, William Street, WindsorLeasehold62 m²£278,000 (2014)
Flat 1, 1 William Street, WindsorLeasehold81 m²£250,000 (2012)
Flat 2, 1 William Street, WindsorLeasehold67 m²£210,000 (2012)
Flat 2, Mulberry House, 3 William Street, WindsorLeasehold65 m²£293,000 (2014)
Flat 3, 1 William Street, WindsorLeasehold82 m²£274,950 (2012)
Flat 3, Mulberry House, 3 William Street, WindsorLeasehold52 m²£272,000 (2014)
Flat 4 Mulberry House, 3, William Street, WindsorLeasehold44 m²£245,000 (2014)
Flat 4, 1 William Street, WindsorLeasehold68 m²£297,000 (2013)

Area insights for SL4 1BB

Full area profile →

Overview

Postcode SL4 1BB is located in an urban city, within the Eton & Castle area of Windsor and Maidenhead in the South East region, and forms part of the Clewer Village area. It has low deprivation and high crime levels, with around 77.9 crimes per 1,000 residents per year, in line with the South East average of 84 per 1,000. The average income per household in Clewer Village is £69,155 per year. The median sale price in Eton & Castle is £462,500 (around £546 per square foot), with typical sale prices between £322,250 and £675,000. The nearest station is Windsor and Eton Central, about 0.2 miles away. There are 5 primary and 1 secondary schools in the area. There are 2 parks nearby, the closest small park is Bachelors Acre.

Crime rate
7/10
Crimes per 1k residents
78
Deprivation level
4/10
Income level
7/10
Social housing
25.6%
Connectivity
N/A
Flood Risk
No risk
Noise Level
No noise

Deprivation level

4/10

Clewer Village has a low level of deprivation, ranked at position 22,393 out of 32,844 areas in England, placing it within the bottom 32% least deprived areas in England.

Crime level

7/10

Clewer Village has a high crime rate, with approximately 77.9 reported incidents per 1,000 population each year.

Social housing

25.6%

Approximately 25.6% of homes on this street are social housing provided by a local council or housing association. Across the surrounding area, around 12.8% of dwellings are socially rented.

Income level

7/10

The average income per household in Clewer Village is £69,155 per year.

Noise Level

No noise

No significant noise sources from railways or roads near SL4 1BB.

Flood risk

No risk

Clewer Village near SL4 1BB has no flood risk (less than 0.1% chance of a flood each year) from rivers and sea.

Transport

The nearest station is Windsor and Eton Central located about 0.2 miles away. There are 2 stations nearby.

Nearby public transport stations for SL4 1BB
DistanceNameLinesDirections
0.2 mi

Windsor and Eton Central

N/A

Walking directions to Windsor and Eton Central
0.4 mi

Windsor and Eton Riverside

N/A

Walking directions to Windsor and Eton Riverside

Parks

Nearby parks and green spaces for SL4 1BB
DistanceNameSizeDirections
0.1 miBachelors AcreSmallWalking directions to Bachelors Acre
0.5 miOsbourne RoadSmallWalking directions to Osbourne Road

Area Profile

Population
374
Population density
7,018.9 per km²

Crime

Crime per 1,000 population

Violence and sexual offences
25.98(-18%)
Anti-social behaviour
23.62(+92%)
Public order
15.59(+157%)
Criminal damage and arson
8.5(+32%)
Other theft
6.61(+18%)
South East average

Demographics

Ethnic groups

British
213
57.1%
Other White
76
20.38%
Indian
15
4.02%
Other
15
4.02%
Other Asian
13
3.49%
Total population: 373

Economics

Education (age 16+)

Level 4+ (Degree)
164
50.62%
No qualifications
44
13.58%
Level 3 (A level)
37
11.42%
Level 2 (GCSEs 9-4)
36
11.11%
Level 1 (GCSEs 3-1)
25
7.72%
Total 16+ residents: 324

Housing

Housing tenure

Private landlord or letting agency
89
42.18%
Other social rented
46
21.8%
Owns with a mortgage
36
17.06%
Owns outright
25
11.85%
Social rents from council
8
3.79%
Total households: 211

Schools

In the SL4 1BB postcode area, located within Clewer Village, there are 5 primary and 1 secondary schools in close proximity.

Ratings include official Ofsted judgements and Area360 summaries of inspection grades. Open a school’s profile for its inspection grades and results.

Nearby schools for SL4 1BB
DistancePhaseNameTypeRatingLinks
0.4 miPrimaryTrinity St Stephen CofE Aided First SchoolVoluntary aided school
Good
0.4 miNot applicableUpton House SchoolOther independent school
Unrated
0.4 miNot applicableSt George's SchoolOther independent school
Unrated

Local amenities

12 nearby supermarkets & convenience stores within 0.5 mi of SL4 1BB

Nearby supermarkets & convenience stores for SL4 1BB
DistanceNameAddressDirections
0.1 miTesco Express32 Peascod Street, Windsor, SL4 1EAWalking directions to Tesco Express
0.1 miNisa Local1 St Leonards Road, Windsor, SL4 3BNWalking directions to Nisa Local
0.1 miWaitrose37 King Edward Court, Windsor, SL4 1TGWalking directions to Waitrose
0.1 miBest-one37 St Leonards Road, Windsor, SL4 3BPWalking directions to Best-one
0.2 miWelcomeHigh Street, Windsor and Maidenhead, SL4 1LYWalking directions to Welcome