What type of property is Windsor House, Apartment 11, Dean Street, SL7 3AA?

Windsor House, Apartment 11, Dean Street, SL7 3AA is a 2-bedroom detached house.

When did Windsor House, Apartment 11, Dean Street, SL7 3AA last change hands?

Windsor House, Apartment 11, Dean Street, SL7 3AA last sold for £850,000 in March 2022, around 4 years ago. Before that, it sold for £775,000 in May 2019, so prices have been rising over 3 years on record. Source: HM Land Registry.

How has the value of Windsor House, Apartment 11, Dean Street, SL7 3AA changed over time?

Across 2 sales between May 2019 and March 2022, Windsor House, Apartment 11, Dean Street, SL7 3AA rose from £775,000 to £850,000, a change of £75,000. That works out to roughly +3.3% per year compounded over 3 years. Source: HM Land Registry.

How energy efficient is Windsor House, Apartment 11, Dean Street, SL7 3AA?

The current EPC rating for Windsor House, Apartment 11, Dean Street, SL7 3AA is B with a score of 83 out of 100, lodged in August 2018. Source: EPC Register.

What is the floor area of Windsor House, Apartment 11, Dean Street, SL7 3AA?

Windsor House, Apartment 11, Dean Street, SL7 3AA has a recorded floor area of 96 m² (1,033 sq ft), around 48 m² per bedroom. That makes it about 32% larger than the median EPC-recorded property in SL7 3AA. Source: EPC Register.

How is Windsor House, Apartment 11, Dean Street, SL7 3AA heated?

The latest EPC at Windsor House, Apartment 11, Dean Street, SL7 3AA records mains gas as the main heating fuel. Source: EPC Register.

Are there any planning records for Windsor House, Apartment 11, Dean Street, SL7 3AA?

Windsor House, Apartment 11, Dean Street, SL7 3AA has council approval for an extension granted in April 2000 under ref. 00/05293/FUL. Source: PlanIt planning register.

Where is Windsor House, Apartment 11, Dean Street, SL7 3AA located?

Windsor House, Apartment 11, Dean Street, SL7 3AA sits in Marlow. It falls within the SL7 postcode district in Buckinghamshire.

What is crime like near Windsor House, Apartment 11, Dean Street, SL7 3AA?

Police records around Windsor House, Apartment 11, Dean Street, SL7 3AA show an average of 3 reported crimes per month over the last 10 months. Violent crime makes up roughly 52% of reports, the most common category. The overall trend is broadly stable. Source: Police UK.

Which schools serve Windsor House, Apartment 11, Dean Street, SL7 3AA?

The closest primary school to Windsor House, Apartment 11, Dean Street, SL7 3AA is Holy Trinity Church of England (Aided) School (240m), one of 9 primaries within walking distance. The closest secondary is Sir William Borlase's Grammar School (490m), with 2 secondaries in the surrounding area.

What is the nearest station to Windsor House, Apartment 11, Dean Street, SL7 3AA?

The closest bus stop to Windsor House, Apartment 11, Dean Street, SL7 3AA is Dean Street Car Park, 55m away. The nearest rail option is Marlow Rail Station, 759m away.

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Windsor House, Apartment 11, Dean Street, Marlow, SL7 3AA

EPC B1 planning record

Property type

Detached

Floor top floor

Bedrooms

Bathrooms

Floor area

96 m²

1033 sq ft

Energy rating

Score 83

Overview

About Windsor House

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

Windsor House is a two-bedroom detached house in Marlow (SL7 3AA). It has a recorded floor area of 96 m² (around 1033 sq ft). At 96 m² this is the largest unit on EPC record across Windsor House (53–96 m²). The building's EPC ratings span C to B, with this unit at the top. The latest certificate (August 2018) returns a B (score 83), comfortably above the UK average.

One planning record on file: an extension approved in 2000. Past consents include an extension, meaningful when judging how the property has evolved. Across 2019–2022, sale prices on this property compounded at 3.3% per year. On a £-per-square-foot basis, the last sale (£823/sq ft) was about 27.8% above the typical sold price in the postcode. Last sale on file: £850,000 in March 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.

Before you offer

Know exactly what you're buying at Windsor House

Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.

Already flagged here

Larger development activity nearby

£14.99

Trusted by UK homebuyers

Valuation

against the asking price

Risks

planning & flood

Sold prices

similar homes nearby

Trends

the local market

Specifications

What this property has

Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.

Inside

Bedrooms2
Bathrooms2
Open-plan layoutYes
EnsuiteYes

Outside

Private gardenSouth-facing
ParkingUnderground

Building

LiftYes

Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

Windsor House's carbon output is low for the local stock.

EPC Rating

B83

Main Heating

Electric & Gas

Main Fuel

Gas

Hot Water

Good

Windows

Very Good

CO2 Emissions

1.4 t/year

Occupancy

—

Planning

Planning history

Applications and permits filed against Windsor House, Apartment 11, Dean Street, Marlow, SL7 3AA, sourced from the PlanIt planning register.

Apr 2000
ExtensionFull
In report
Demolition of cycle repair workshop and erection of extension to tyre fitting premises
Documents
6 docs on file
Reference
00/05293/FUL
View planning record

Before you offer

We flagged 1 thing worth checking at Windsor House

Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.

Larger development activity nearby

£14.99

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Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

Latest sale on Windsor House was the highest on Land Registry record across the postcode.

Current estimate

£900,000

Modelled from EPC, postcode comparables and a sale-price growth of 3.3% per year over 3 years.

See how we calculated this

Last sold (2022)

£850,000

Growth on file: 3.3% per year over 3 years.

Sales timeline

21 March 2022Most recent
£850,000
+9.7%over 2 years
16 May 2019
£775,000

Median price across the last 5 sales in SL7 3AA: £635,000 (2025–2020).

Nearby sales in SL7 3AA

Before you offer

Everything we know about Windsor House, in one report

What it's really worth, what could be wrong, and the planning, sales and area data in full.

What we flagged

Larger development activity nearby

£14.99

Trusted by UK homebuyers

On the street

Versus other Dean Street homes

Four headline reads against 22 similar flats on this street, drawn from the latest EPC and Land Registry data.

On floor area, Windsor House stands well clear of the street.

Price per m²

£8,854

Street avg £7,002

Strongly above

Floor Area

96 m²

Street avg 78 m²

Strongly above

CO₂ Emissions

1.4 t/year

Street avg 1.5 t/year

Strongly below

Years Held

4 years

Street avg 6 years

Below

Comparables

Similar properties nearby

Steady year-on-year across the wider district.

Nearest stop

0.1 km

Dean Street Car Park — bus stop.

Closest school

0.2 km

Holy Trinity Church of England (Aided) School. 11 schools nearby.

Go deeper on the local area

The full report breaks down crime, transport links, schools and air quality in depth.

Noise

Road noise across the postcode

Modelled day and night-time noise levels around SL7 3AA from Defra's strategic mapping. The pin marks this postcode's centroid.

Daytime· 07:00 – 23:00

51.1dB

Low

Night-time road noise heatmap for SL7 3AA

Night-time· 23:00 – 07:00

41.4dB

Low

55 dB

60 dB

65 dB

70 dB

75 dB

80 dB

Defra Road Noise Strategic Mapping, Round 4

FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about Windsor House, Apartment 11, Dean Street, Marlow, SL7 3AA. Each answer is also embedded as structured data for search engines.