How energy efficient is Cedar House, Flat 8, 109 Thurlow Park Road, SE21 8JL?

The current EPC rating for Cedar House, Flat 8, 109 Thurlow Park Road, SE21 8JL is C with a score of 73 out of 100, lodged in October 2025. It has improved from a D recorded in June 2014. Source: EPC Register.

What is the floor area of Cedar House, Flat 8, 109 Thurlow Park Road, SE21 8JL?

Cedar House, Flat 8, 109 Thurlow Park Road, SE21 8JL has a recorded floor area of 48 m² (517 sq ft). That makes it about 41% smaller than the median EPC-recorded property in SE21 8JL. Source: EPC Register.

How is Cedar House, Flat 8, 109 Thurlow Park Road, SE21 8JL heated?

The latest EPC at Cedar House, Flat 8, 109 Thurlow Park Road, SE21 8JL records mains gas as the main heating fuel. Source: EPC Register.

What planning history does Cedar House, Flat 8, 109 Thurlow Park Road, SE21 8JL have?

Cedar House, Flat 8, 109 Thurlow Park Road, SE21 8JL has 1 planning record on file (1 approved), most recent in May 2025. Source: PlanIt planning register.

What council tax band is Cedar House, Flat 8, 109 Thurlow Park Road, SE21 8JL?

Cedar House, Flat 8, 109 Thurlow Park Road, SE21 8JL is in council tax band C.

Where is Cedar House, Flat 8, 109 Thurlow Park Road, SE21 8JL located?

Cedar House, Flat 8, 109 Thurlow Park Road, SE21 8JL sits in London. It falls within the SE21 postcode district.

How safe is the area around Cedar House, Flat 8, 109 Thurlow Park Road, SE21 8JL?

Police records around Cedar House, Flat 8, 109 Thurlow Park Road, SE21 8JL show an average of 6 reported crimes per month over the last 14 months. Violent crime makes up roughly 32% of reports, the most common category. The overall trend is rising (167% versus the prior period). Source: Police UK.

Which schools serve Cedar House, Flat 8, 109 Thurlow Park Road, SE21 8JL?

The closest primary school to Cedar House, Flat 8, 109 Thurlow Park Road, SE21 8JL is Rosendale Primary School (711m), one of 47 primaries within walking distance. The closest secondary is The Elmgreen School (386m), with 16 secondaries in the surrounding area.

What transport links are near Cedar House, Flat 8, 109 Thurlow Park Road, SE21 8JL?

The closest bus stop to Cedar House, Flat 8, 109 Thurlow Park Road, SE21 8JL is Lancaster Avenue West Dulwich, 110m away. The nearest rail option is Tulse Hill Station, 380m away.

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Cedar House, Flat 8, 109 Thurlow Park Road, London, SE21 8JL

1 planning record

Property type

Mid terrace

Floor 02

Habitable rooms

From EPC

Floor area

48 m²

517 sq ft

Energy rating

Score 73

Council tax

Band C

Tenure

Owner Occupied

Overview

About Cedar House

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

Cedar House is a mid-terrace house in London (SE21 8JL). It has a recorded floor area of 48 m² (around 517 sq ft), construction records dating it to before 1900 and council tax band C. At 48 m² this is the 2nd smallest of 7 units on EPC record in Cedar House, where floor areas span 37–62 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (October 2025) shows a C (score 73). When first surveyed in June 2014 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Average and lighting went from Average to Very Good; while window efficiency dropped from Average to Very Poor.

At 48 m² it sits well below the postcode median (82 m² across 51 EPCs), making it one of the more compact homes locally. One planning record on file: new windows approved in 2025. Past consents include new windows, meaningful when judging how the property has evolved.

Before you offer

Know exactly what you're buying at Cedar 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

Energy

Energy performance

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

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

Current Certificate(1 of 2)

Oct 2025

EPC Rating

C73

Main Heating

Gas

Main Fuel

Gas

Hot Water

Good

Windows

Very Poor

CO2 Emissions

1.5 t/year

Occupancy

Owner Occupied

Property Improvements

Changes detected from historical EPC data

Oct 2025from Jun 2014

EPC improved fromD58toC73

Roof Insulation

UninsulatedWell Insulated

Loft insulation installed or upgraded to 250mm+

Low Energy Lighting

25%100%

More low energy lighting installed

Planning

Planning history

Applications and permits filed against Cedar House, Flat 8, 109 Thurlow Park Road, London, SE21 8JL, sourced from the PlanIt planning register.

May 2025
RenovationFull
In report
Replacement of all existing windows, ground floor right flank elevation door with double glazed uPVC windows and a composite door.
Agent
Archway Building Consultancy
New Windows
Documents
12 docs on file
Reference
25/00911/FUL
View planning record

Before you offer

We flagged 1 thing worth checking at Cedar 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

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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.

Cedar House has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.

Current estimate

£339,000

Modelled from EPC, postcode comparables.

See how we calculated this

No sales recorded with HM Land Registry

That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.

Median price across the last 5 sales in SE21 8JL: £720,000 (2025–2024).

Nearby sales in SE21 8JL

Before you offer

Everything we know about Cedar 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 Thurlow Park Road homes

Four headline reads against 41 similar flats on this street, drawn from the latest EPC and Land Registry data.

Habitable Rooms for Cedar House lags the street by a wide margin.

EPC Rating

73 (C)

Street avg 69 (C)

On par

Floor Area

48 m²

Street avg 83 m²

Strongly below

CO₂ Emissions

1.5 t/year

Street avg 2.7 t/year

Above

Habitable Rooms

2 rooms

Street avg 3 rooms

Strongly below

Comparables

Similar properties nearby

Rising year-on-year across the wider district.

Nearest stop

0.1 km

Lancaster Avenue West Dulwich — bus stop.

Closest school

0.4 km

The Elmgreen School. 63 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 SE21 8JL from Defra's strategic mapping. The pin marks this postcode's centroid.

Daytime· 07:00 – 23:00

54.3dB

Low

Night-time road noise heatmap for SE21 8JL

Night-time· 23:00 – 07:00

45.5dB

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 Cedar House, Flat 8, 109 Thurlow Park Road, London, SE21 8JL. Each answer is also embedded as structured data for search engines.