What type of property is Knoll House, Groton Street, CO10 5EE?

Knoll House, Groton Street, CO10 5EE is a 5-bedroom detached house.

What was the last sold price for Knoll House, Groton Street, CO10 5EE?

Knoll House, Groton Street, CO10 5EE last sold for £547,500 in October 2019, around 7 years ago. Before that, it sold for £392,500 in May 2010, so prices have been rising over 9 years on record. Source: HM Land Registry.

Has Knoll House, Groton Street, CO10 5EE appreciated in value?

Across 2 sales between May 2010 and October 2019, Knoll House, Groton Street, CO10 5EE rose from £392,500 to £547,500, a change of £155,000. That works out to roughly +3.6% per year compounded over 9 years. Source: HM Land Registry.

How energy efficient is Knoll House, Groton Street, CO10 5EE?

The current EPC rating for Knoll House, Groton Street, CO10 5EE is D with a score of 66 out of 100, lodged in January 2018. It has improved from a E recorded in January 2009. The assessor estimates the property could reach a B. Source: EPC Register.

What is the floor area of Knoll House, Groton Street, CO10 5EE?

Knoll House, Groton Street, CO10 5EE has a recorded floor area of 222 m² (2,390 sq ft), around 44 m² per bedroom. That makes it about 68% larger than the median EPC-recorded property in CO10 5EE. Source: EPC Register.

How is Knoll House, Groton Street, CO10 5EE heated?

The latest EPC at Knoll House, Groton Street, CO10 5EE records oil as the main heating fuel. Source: EPC Register.

Has Knoll House, Groton Street, CO10 5EE had any planning applications?

Knoll House, Groton Street, CO10 5EE has council approval for single-storey rear extension granted in December 2010 under ref. B/10/01331. Source: PlanIt planning register.

Where is Knoll House, Groton Street, CO10 5EE located?

Knoll House, Groton Street, CO10 5EE sits in Groton, Sudbury, Sudbury. It falls within the CO10 postcode district in Suffolk.

Which schools serve Knoll House, Groton Street, CO10 5EE?

The closest primary school to Knoll House, Groton Street, CO10 5EE is Boxford Church of England Voluntary Controlled Primary School (1.8km).

What transport links are near Knoll House, Groton Street, CO10 5EE?

The closest bus stop to Knoll House, Groton Street, CO10 5EE is Fox and Hounds, 502m away. In total there are 14 bus stops within the surrounding area.

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Knoll House, Groton Street, Groton, Sudbury, CO10 5EE

1 planning record

Property type

Detached

Bedrooms

Bathrooms

Floor area

222 m²

2390 sq ft

Energy rating

Score 66

Tenure

Owner Occupied

Overview

About Knoll House

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

Knoll House is a five-bedroom detached house in Groton, Sudbury, Sudbury (CO10 5EE). It has a recorded floor area of 222 m² (around 2390 sq ft) and construction records dating it to 1967-1975. The latest certificate (January 2018) shows a D (score 66), on the cusp of jumping into the C band. When first surveyed in January 2009 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Average, roof efficiency went from Average to Good and hot-water efficiency went from Poor to Average. The recommended improvements would lift it to B (score 81), a 2-band jump. Main heating runs on oil. Other recorded features include attached land beyond the plot.

At 222 m² the property is well over the postcode median (120 m² across 28 EPCs), placing it in the larger end of the local stock. One planning record on file: an extension approved in 2010. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved. Across 2010–2019, sale prices on this property compounded at 3.6% per year. Today's modelled estimate of £685,000 is 25.1% above the 2019 sale price. Last sale on file: £547,500 in October 2019.

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

Bedrooms5
Bathrooms2
Open-plan layoutYes
Dining roomYes
Utility roomYes
CloakroomYes
StudyYes

Outside

GarageDouble
LandYes

Before you decide

Everything you need to know about Knoll House

The true value, the hidden risks and the full sale history, in one report.

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30-day money-back guarantee

The data behind every report

Energy

Energy performance

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

Knoll House's carbon output runs well above what efficient homes in the postcode produce.

Current Certificate(1 of 2)

Jan 2018

EPC Rating

D66

Main Heating

Gas

Main Fuel

Oil

Hot Water

Average

Windows

Good

CO2 Emissions

8.1 t/year

Occupancy

Owner Occupied

Property Improvements

Changes detected from historical EPC data

Jan 2018from Jan 2009

EPC improved fromE47toD66

Hot Water

Main (No Stat)Main System

Hot water system upgraded

Wall Insulation

UninsulatedInsulated Cavity

Cavity wall insulation installed

Roof

AverageGood

Roof insulation improved

Planning

Planning history

Applications and permits filed against Knoll House, Groton Street, Groton, Sudbury, CO10 5EE, sourced from the PlanIt planning register.

Planning history includes recorded demolition works, indicating a major rebuild phase at this address.

Dec 2010
DemolitionFull
In report
Extension: Single storey · Rear of property
Erection of single-storey rear extension (demolition of existing conservatory).
Extension
Documents
7 docs on file
Reference
B/10/01331
View planning record

What's in Knoll House, Groton Street, Groton, Sudbury, CO10 5EE's planning history?

Refusals, disputes and full decisions on this property and nearby, in the report.

Price

Sales history & valuation

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

Knoll House valuation sits well clear of the typical sold price in this postcode.

Current estimate

£685,000

Modelled from EPC, postcode comparables and a sale-price growth of 3.6% per year over 9 years.

See how we calculated this

Last sold (2019)

£547,500

Growth on file: 3.6% per year over 9 years.

Sales timeline

28 October 2019Most recent
£547,500
+39.5%over 9 years
25 May 2010
£392,500

Median price across the last 5 sales in CO10 5EE: £425,000 (2024–2022).

Nearby sales in CO10 5EE

On the street

Versus other Groton Street homes

Four headline reads against 28 similar houses on this street, drawn from the latest EPC and Land Registry data.

Knoll House outperforms the street on epc rating by a wide margin.

Price per m²

£2,466

Street avg £3,058

Below

Floor Area

222 m²

Street avg 146 m²

Strongly above

Habitable Rooms

8 rooms

Street avg 6 rooms

Above

CO₂ Emissions

8.1 t/year

Street avg 7.9 t/year

On par

Before you decide

Everything you need to know about Knoll House

The true value, the hidden risks and the full sale history, in one report.

£14.99one-off

30-day money-back guarantee

The data behind every report

Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.

£550k

1 Brook Hall Road, Boxford

CO10 5HS

4 bed2 bath

£446k

1 Groton Street, Groton

CO10 5EE

4 bed

£429k

1 Homefield, Boxford

CO10 5PB

4 bed2 bath

£424k

1 Marsh Road, Boxford

CO10 5HT

4 bed2 bath

£363k

1 Hadleigh Road, Boxford

CO10 5JH

4 bed1 bath

£511k

1 Horners Green, Groton

CO10 5HB

3 bed2 bath

£503k

1 Boxford Lane, Boxford

CO10 5JU

3 bed2 bath

£650k

1 Daisy Green Cottages, Daisy Green, Groton

CO10 5EN

Area

The neighbourhood at a glance

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

Full Sudbury report

Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.

Crime

2/mo

Steady year-on-year across the wider district.

Nearest stop

0.5 km

Fox and Hounds — bus stop.

Closest school

1.8 km

Boxford Church of England Voluntary Controlled Primary School. 1 school 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 CO10 5EE from Defra's strategic mapping. The pin marks this postcode's centroid.

Daytime· 07:00 – 23:00

44.3dB

Low

Night-time road noise heatmap for CO10 5EE

Night-time· 23:00 – 07:00

35.9dB

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 Knoll House, Groton Street, Groton, Sudbury, CO10 5EE. Each answer is also embedded as structured data for search engines.