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1 bed flat for sale William Street, Windsor, SL4

Asking price

£320,000

Added on 24/09/2026

Type: Flat
Bedrooms: 1
Bathrooms: 1
Size: £589 per sq ft
Tenure: Ask agent

Council tax Band C £1,736 a year

Key features

Spacious open plan apartment
Large balcony with views of Windsor Castle
Video entry system
Lift access
Town Centre Location
Close to Train Station

About this property

NO ONWARD CHAIN

A contemporary one bedroom apartment in the very centre of town with a large balcony, moments from the train stations, the Castle and Windsor shopping.

Mulberry House is appointed with a lift and video security entrance system.

Accommodation

features include oak flooring, oak doors and carpet in the bedroom. A generous sitting room is complemented with dual French doors opening to a balcony.

Floorplan

Council tax

Band C £1,736 a year

Per year

Band A

£1,302
Band B

£1,519
Band C

This home: £1,736
Band D

£1,953
Band E

£2,387
Band F

£2,820
Band G

£3,254
Band H

£3,905

This home is in band C, which costs £1,736 a year in Windsor and Maidenhead for 2026/27.

Figures from MHCLG (Open Government Licence v3): the average bill for each band across Windsor and Maidenhead, including the typical parish precept, so a parish's own bill can differ a little. Discounts lower the bill, such as 25% off for an adult living alone. Check a home's band on GOV.UK.

Price guide

68 comparables · within 2.8 miles

Priced above 97% of the 1-bed flats for sale nearby right now.

This home, £320,000 Median £182,500 · £138,500 – £291,465

Per square foot

£589 45% over

1-bed flats nearby £405

Against sold prices

13% over

SL4 sold median £520 / sq ft, 1,029 sales

Compared with 68 1-bed flats for sale within 2.8 miles, on the market now or already under offer. The range is the middle 80% of their asking prices. Sold prices are HM Land Registry sales in SL4 over the last 24 months, per square foot of EPC floor area. All sold £/sq ft in SL4 →

Location

William Street, Windsor, SL4

Open map Street View

Mortgage and stamp duty

Property price £320,000

£160k £480k

Deposit10% £32,000

£0 £320k

Interest rate 4.5%

0.5% 15%

Repayment period 25 years

5 years 40 years

A £288,000 mortgage. Most lenders would want a household income of about £64,000 to support it.

A guide only, for a capital repayment mortgage. The rate you are offered and what you can borrow depend on your circumstances and a full application with a lender or broker. Your home may be repossessed if you do not keep up repayments on your mortgage.

Properties sold nearby

HM Land Registry sales nearby. Floor areas from Energy Performance Certificates where matched.

Address	Type	Sold	Size	Size	£/sq ft	Price
Flat 5, Mulberry House, 3, William Street Flat / maisonette	Flat / maisonette	Jun 2026	624 sq ft £481/sq ft	624 sq ft	£481	£300,000
Flat 8, Mulberry House, 3, William Street Flat / maisonette	Flat / maisonette	Sept 2021	474 sq ft £480/sq ft	474 sq ft	£480	£227,500
Flat 9, Mulberry House, 3, William Street Flat / maisonette · new build	Flat / maisonette · new build	Aug 2014	495 sq ft £606/sq ft	495 sq ft	£606	£300,000
The Penthouse, 1, William Street Flat / maisonette	Flat / maisonette	Aug 2014	872 sq ft £631/sq ft	872 sq ft	£631	£549,950
Flat 8, Mulberry House, 3, William Street Flat / maisonette	Flat / maisonette	Jul 2014	474 sq ft £549/sq ft	474 sq ft	£549	£260,000
Flat 4, Mulberry House, 3, William Street Flat / maisonette · new build	Flat / maisonette · new build	Jul 2014	474 sq ft £517/sq ft	474 sq ft	£517	£245,000
Flat 5, Mulberry House, 3, William Street Flat / maisonette · new build	Flat / maisonette · new build	Jul 2014	624 sq ft £461/sq ft	624 sq ft	£461	£287,500
Flat 2, Mulberry House, 3, William Street Flat / maisonette · new build	Flat / maisonette · new build	Jun 2014	700 sq ft £419/sq ft	700 sq ft	£419	£293,000