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11 Sylvester Avenue, Chislehurst, BR7 5ED

3 planning records
Property type
Detached
Habitable rooms
7
From EPC
Floor area
174 m²
1873 sq ft
Energy rating
D
Score 59
Council tax
Band G
Tenure
Owner Occupied
Overview

About 11 Sylvester Avenue

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

11 Sylvester Avenue is a detached house in Chislehurst (BR7 5ED). It has a recorded floor area of 174 m² (around 1873 sq ft), construction records dating it to 1950-1966 and council tax band G. The latest certificate (May 2022) shows a D (score 59), a step below the typical UK home. When first surveyed in April 2010 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Average, window efficiency went from Very Poor to Poor and lighting went from Very Poor to Average; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to C (score 73).

At 174 m² it's 27% larger than the typical home in the postcode (137 m² median across 9 EPCs). Across 2010–2024, sale prices on this property compounded at 4.8% per year. On a £-per-square-foot basis, the last sale (£838/sq ft) was about 97.2% above the typical sold price in the postcode. 3 planning records sit against the property, 0 approved, 1 refused. Most recent transfer: May 2024 at £1,570,000.

Before you offer

Know exactly what you're buying at 11 Sylvester Avenue

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
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Valuation

against the asking price

Risks

planning & flood

Sold prices

similar homes nearby

Trends

the local market

Energy

Energy performance

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

11 Sylvester Avenue's carbon output runs well above what efficient homes in the postcode produce.

Current Certificate(1 of 2)
May 2022

EPC Rating

A
B
C
D
D59
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Poor
CO2 Emissions
7.4 t/year
Occupancy
Owner Occupied

Property Improvements

Changes detected from historical EPC data

May 2022from Apr 2010
EPC improved fromE42toD59
Hot Water
Very GoodGood

Hot water efficiency decreased

Windows
Very PoorPoor

Window efficiency improved

Wall Insulation
UninsulatedInsulated Cavity

Cavity wall insulation installed

Low Energy Lighting
4%38%

More low energy lighting installed

Planning

Planning history

Applications and permits filed against 11 Sylvester Avenue, Chislehurst, BR7 5ED, sourced from the PlanIt planning register.
  1. Aug 2008
    OutbuildingOutline
    In report

    Single storey detached building in rear garden CERTIFICATE OF LAWFULNESS FOR A PROPOSED DEVELOPMENT

    Documents
    6 docs on file
    Reference
    08/02330/PLUD
    View planning record
  2. Mar 2006
    Tree WorksTrees
    In report

    Crown reduce 2 oak trees by 30%

    Documents
    1 doc on file
    Reference
    06/00160/TPSPLD
    View planning record
Before you offer

We flagged 1 thing worth checking at 11 Sylvester Avenue

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
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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 11 Sylvester Avenue was the highest on Land Registry record across the postcode.

Current estimate

£1,460,000

Modelled from EPC, postcode comparables and a sale-price growth of 4.8% per year over 14 years.

See how we calculated this
Last sold (2024)

£1,570,000

Growth on file: 4.8% per year over 14 years.

Sales timeline

  1. 27 May 2024Most recent

    £1,570,000

    +91.5%over 13 years
  2. 13 June 2010

    £820,000

Median price across the last 5 sales in BR7 5ED: £925,000 (2025–2016).

Before you offer

Everything we know about 11 Sylvester Avenue, 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
Preview of the full property report
On the street

Versus other Sylvester Avenue homes

Four headline reads against 9 similar houses on this street, drawn from the latest EPC and Land Registry data.

11 Sylvester Avenue outperforms the street on price per m² by a wide margin.

Price per m²

£9,023

Street avg £5,515

Strongly above

Floor Area

174 m²

Street avg 171 m²

Above

Habitable Rooms

7 rooms

Street avg 7 rooms

On par

CO₂ Emissions

7.4 t/year

Street avg 8.3 t/year

Above
Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the Chislehurst district page.

Rail-style transport is unusually close for this postcode.

Crime

3/mo

Steady year-on-year across the wider district.

Nearest stop

0.3 km

Elmstead Woods — bus stop.

Closest school

0.8 km

Bullers Wood School. 28 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 BR7 5ED from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for BR7 5ED

Daytime· 07:00 – 23:00

48.9dB

Low
Night-time road noise heatmap for BR7 5ED

Night-time· 23:00 – 07:00

38.1dB

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 11 Sylvester Avenue, Chislehurst, BR7 5ED. Each answer is also embedded as structured data for search engines.