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9 Sylvester Avenue, Chislehurst, BR7 5ED

1 planning record
Property type
Semi-detached
Bedrooms
4
Bathroom
1
Floor area
118 m²
1270 sq ft
Energy rating
C
Score 70
Council tax
Band G
Tenure
Owner Occupied
Overview

About 9 Sylvester Avenue

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

9 Sylvester Avenue is a four-bedroom semi-detached house in Chislehurst (BR7 5ED). It has a recorded floor area of 118 m² (around 1270 sq ft), construction records dating it to 1950-1966 and council tax band G. The latest certificate (May 2022) shows a C (score 70). When first surveyed in February 2015 the rating was E, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Very Good, hot-water efficiency went from Average to Good and lighting went from Good to Very Good; while wall efficiency dropped from Good to Average. The recommended improvements would push it to B (score 84). Other recorded features include a conservatory.

At 118 m² it's 20.8% smaller than the typical home in the postcode (149 m² median across 9 EPCs). On energy efficiency it sits in the top 10% of properties in this postcode. One planning record on file: an extension approved in 2021. Past consents include an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £1,016,000 is 21.7% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£657/sq ft) was about 50.2% above the typical sold price in the postcode. Last sold in August 2015, so it's been off the market for around 11 years.

Before you offer

Know exactly what you're buying at 9 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

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

  • Bedrooms4
  • Bathrooms1
  • Dining roomYes
  • CloakroomYes
  • EnsuiteYes
  • ConservatoryYes

Outside

  • Private gardenYes
  • GarageYes
Energy

Energy performance

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

9 Sylvester Avenue ranks among the most efficient homes in the postcode for energy use.

Current Certificate(1 of 2)
May 2022

EPC Rating

A
B
C
C70
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
3.7 t/year
Occupancy
Owner Occupied

Property Improvements

Changes detected from historical EPC data

May 2022from Feb 2015
EPC improved fromE54toC70
Hot Water
AverageGood

Hot water efficiency improved

Roof Insulation
UninsulatedInsulated

Roof insulation improved

Low Energy Lighting
67%100%

More low energy lighting installed

Planning

Planning history

Applications and permits filed against 9 Sylvester Avenue, Chislehurst, BR7 5ED, sourced from the PlanIt planning register.

Council records include a part-single-part-two-storey side and rear extension at 9 Sylvester Avenue.

  1. Aug 2021
    ExtensionFull
    In report

    Extension: Part single, part two storey · Side and rear of property

    Part one/two storey side/rear extension and single storey side extension

    Agent
    iPlans
    Documents
    12 docs on file
    Reference
    21/02745/FULL6
    View planning record
Before you offer

We flagged 1 thing worth checking at 9 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
£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.

9 Sylvester Avenue valuation sits well clear of the typical sold price in this postcode.

Current estimate

£1,016,000

Modelled from EPC, postcode comparables.

See how we calculated this
Last sold (2015)

£835,000

Recorded with HM Land Registry.

Sales timeline

  1. 24 August 2015Most recent

    £835,000

Median price across the last 5 sales in BR7 5ED: £925,000 (2025–2021).

Before you offer

Everything we know about 9 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.

EPC Rating for 9 Sylvester Avenue runs comfortably ahead of the street norm.

Price per m²

£7,076

Street avg £5,759

Above

Floor Area

118 m²

Street avg 177 m²

Strongly below

Habitable Rooms

7 rooms

Street avg 7 rooms

On par

CO₂ Emissions

3.7 t/year

Street avg 8.7 t/year

Strongly 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 9 Sylvester Avenue, Chislehurst, BR7 5ED. Each answer is also embedded as structured data for search engines.