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16 Sidmouth Avenue, Isleworth, TW7 4DW

3 sales on record
Property type
Semi-detached
Floor 00
Bedrooms
4
Bathrooms
2
Floor area
28 m²
301 sq ft
Energy rating
D
Score 65
Council tax
Band D
Overview

About 16 Sidmouth Avenue

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

16 Sidmouth Avenue is a four-bedroom semi-detached house in Isleworth (TW7 4DW). It has a recorded floor area of 28 m² (around 301 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (January 2025) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in February 2024 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor. The recommended improvements would push it to C (score 72). At 28 m² this is the 2nd smallest of 26 units on EPC record in the building, where floor areas span 18–141 m². The building's EPC ratings span E to C across 26 units on file. Period features are noted in the property record. The home occupies a cul-de-sac position.

At 28 m² it sits well below the postcode median (89 m² across 25 EPCs), making it one of the more compact homes locally. Across 1997–2024, sale prices on this property compounded at 6.3% per year. On a £-per-square-foot basis, the last sale (£2,223/sq ft) was about 414.8% above the typical sold price in the postcode. Sold November 2024 for £670,000.

Before you offer

Know exactly what you're buying at 16 Sidmouth 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

Signs of HMO activity in the areaLarger 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

  • Bedrooms4
  • Bathrooms2

Outside

  • GarageDouble, Detached
  • Cul-de-sacYes

Building

  • Period featuresYes
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Current Certificate(1 of 2)
Jan 2025

EPC Rating

A
B
C
D
D65
E
F
G
Main Heating
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
1.8 t/year
Occupancy

Property Improvements

Changes detected from historical EPC data

Jan 2025from Feb 2024
EPC improved fromE50toD65
Main Fuel
GasCommunity

Changed to a more efficient fuel source

Walls
Very PoorPoor

Wall insulation improved

Planning

Planning history

Applications and permits filed against 16 Sidmouth Avenue, Isleworth, TW7 4DW, sourced from the PlanIt planning register.

16 Sidmouth Avenue has no planning applications on record.

Notable planning nearby

8applications of note in the surrounding area

Before you offer

We flagged 2 things worth checking at 16 Sidmouth 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.

  • Signs of HMO activity in the area
  • Larger development activity nearby
£14.99

30-day money-back guarantee

Price

Sales history & valuation

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

Price for 16 Sidmouth Avenue has grown more than fourfold since the 1997 starting point.

Current estimate

£732,000

Modelled from EPC, postcode comparables and a sale-price growth of 6.3% per year over 27 years.

See how we calculated this
Last sold (2024)

£670,000

Growth on file: 6.3% per year over 27 years.

Sales timeline

  1. 22 November 2024Most recent

    £670,000

    +116.1%over 19 years
  2. 25 July 2005

    £310,000

    +148.0%over 8 years
  3. 26 June 1997

    £125,000

Median price across the last 5 sales in TW7 4DW: £575,000 (2024–2022).

Before you offer

Everything we know about 16 Sidmouth 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

  • Signs of HMO activity in the area
  • Larger development activity nearby
£14.99
Trusted by UK homebuyers
Preview of the full property report
Area

The neighbourhood at a glance

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

Rail-style transport is unusually close for this postcode.

Crime

3/mo

Steady year-on-year across the wider district.

Nearest stop

0.2 km

West Thames College — bus stop.

Closest school

0.2 km

West Thames College. 47 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 TW7 4DW from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for TW7 4DW

Daytime· 07:00 – 23:00

53.7dB

Low
Night-time road noise heatmap for TW7 4DW

Night-time· 23:00 – 07:00

43.3dB

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 16 Sidmouth Avenue, Isleworth, TW7 4DW. Each answer is also embedded as structured data for search engines.