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Blackberry Cottage, 28, Grafton Underwood, Kettering, NN14 3AA

2 planning records

Estimated value

£470,000

  • Since the 2020 sale (£390,000)+21%
  • Against NN14 3AA's recent median (£480,000)-2%

Newest record on this page: July 2025. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.

Learn about this valuation
Property type
Detached
Habitable rooms
6
From EPC
Floor area
103 m²
1109 sq ft
Energy rating
D
Score 55
Tenure
Private Rental
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Valuation

About this valuation

How the figure is worked out and what it's based on. If you know this home, you can tell other visitors what you think it's worth.

Our estimate

£470,000

  • Against its 2020 sale (£390,000)+21%
  • Against NN14 3AA's recent median (£480,000)-2%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for Blackberry Cottage is modelled from its 103 m² EPC floor area, its 1 recorded sale and recent sales of comparable homes in NN14 3AA. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.

What it's based on

  • Floor area

    103 m² from the EPC lodged in October 2014

  • Sales of this home

    1 sale recorded, the latest in 2020

  • Recent sales in NN14 3AA

    5 sales, median £480,000 (2025–2025)

This page or the full report?

DataThis pageFull report
SalesLatest sale shown: July 2025Latest available records, read when you order
ValuationEstimate from the last refreshAnalysed against comparable sales
Planning1 of 2 applicationsFull history, plus nearby schemes
Flood riskNot shownIncluded
Price

Sales history & valuation

Every recorded sale of this home, how its price has moved, and what neighbouring properties have sold for.

The latest sale landed in the post-pandemic price surge — useful context when reading the figure.

Risks

What this page doesn't show

1 potential issue has already been flagged for Blackberry Cottage, 28, Grafton Underwood, Kettering, NN14 3AA. The detail, evidence and what to ask about it are in the Risks Report.
  • A planning decision worth checkingIn report
  • Flood risk from rivers, sea and surface waterIn report
  • Subsidence and ground-stability signalsIn report
  • Refusals, enforcement and big schemes nearbyIn report

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Overview

About Blackberry Cottage

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

Blackberry Cottage is a detached house in Grafton Underwood, Kettering, Kettering (NN14 3AA). It has a recorded floor area of 103 m² (around 1109 sq ft) and construction records dating it to before 1900. The latest certificate (October 2014) shows a D (score 55), a step below the typical UK home. The recommended improvements would lift it to B (score 83), a 2-band jump. Main heating runs on oil. The latest certificate is from October 2014, so improvements made since then won't be reflected.

2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension and new windows, meaningful when judging how the property has evolved. At 103 m² it's 28.7% larger than the typical home in the postcode (80 m² median across 25 EPCs). Today's modelled estimate of £470,000 is 20.5% above the 2020 sale price. Most recent transfer: November 2020 at £390,000.

Before you decide

Everything you need to know about Blackberry Cottage

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

A planning decision worth checking

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Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Energy

Energy performance

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

Blackberry Cottage's carbon output runs well above what efficient homes in the postcode produce.

EPC Expired

This certificate is over 10 years old and is no longer valid.Expired 10 Oct 2024

Current Certificate
Oct 2014

EPC Rating

A
B
C
D
D55
E
F
G
Main Heating
Gas
Main Fuel
Oil
Hot Water
Average
Windows
Very Poor
CO2 Emissions
6.4 t/year
Occupancy
Rented

Certificate validity

Expired on 10 October 2024

New assessment needed to sell or let
Planning

Planning history

Applications and permits filed against Blackberry Cottage, 28, Grafton Underwood, Kettering, NN14 3AA, sourced from the PlanIt planning register.

A a single-storey rear extension application was refused at Blackberry Cottage in 2022.

2 applications on record at Blackberry Cottage, 28, Grafton Underwood, Kettering, NN14 3AA

2decisions2extensions30documents1nearby
  1. Aug 2022
    ExtensionFull
    Outcome in report

    Extension: Single storey · Rear of property

    Single storey rear extension, remove outhouse wall adjoining proposal, alterations to windows and doors, change of door to window on front elevation and insert two windows to south elevation of shed

    New Windows
    Documents
    16 docs on file
    Reference
    NK/2022/0309
    Full record in report
  2. More recent applications — locked
  3. ExtensionDecision

Unlock Blackberry Cottage, 28, Grafton Underwood, Kettering, NN14 3AA's full planning history

You're seeing the shape of it. The report has the substance.

  • Every decision — granted, refused or withdrawn (2 on record)
  • All 2 applications on this property in full, plus 1 notable nearby
  • The 30 documents, officer reports & conditions
  • What the pattern means for extending or converting here
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On the street

Versus the street

Four headline reads against 25 similar houses on this street, drawn from the latest EPC and Land Registry data.

On habitable rooms, Blackberry Cottage stands well clear of the street.

Price per m²

£3,786

Street avg £3,637

Above

Floor Area

103 m²

Street avg 93 m²

Above

Habitable Rooms

6 rooms

Street avg 5 rooms

Strongly above

CO₂ Emissions

6.4 t/year

Street avg 6.9 t/year

On par
Area

The neighbourhood at a glance

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

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

Crime

172/mo

Falling year-on-year across the wider district.

Nearest stop

0.1 km

Post Office — bus stop.

Nearest stops

  • Post OfficeBus stop84m
  • Grafton Underwood village DRTBus stop185m
  • 18 Geddington RoadBus stop271m
  • Boughton HouseBus stop2.2km

Most reported crime locally

  • Violence & Sexual Offences1,064 reports39%
  • Anti-social Behaviour664 reports24%
  • Other Theft186 reports7%
  • Criminal Damage & Arson182 reports7%

Go deeper on the local area

A Local Area 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 NN14 3AA from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for NN14 3AA

Daytime· 07:00 – 23:00

43.6dB

Low
Night-time road noise heatmap for NN14 3AA

Night-time· 23:00 – 07:00

35.7dB

Low
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4
SDL Surveying

Get a survey for this property

Level 3 Building Survey

Victorian-eraDetached HouseEPC DPre-1919 build

Because the property was built before 1919, we believe a Level 3 building survey should be considered.

From £1,020 · Includes VAT

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Method

How to read this page

Where every figure above comes from, how current it is and what it can't tell you.
How the estimate is made
The estimate for Blackberry Cottage is modelled from its 103 m² EPC floor area, its 1 recorded sale and recent sales of comparable homes in NN14 3AA. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.
Where sold prices come from
Sold prices are HM Land Registry Price Paid Data, which covers residential sales in England and Wales since 1995. 1 sale is recorded for Blackberry Cottage. Sales normally appear two to three months after completion, so the most recent ones take time to show up anywhere.
Reading the EPC
Energy Performance Certificates rate homes from A (most efficient) to G and last 10 years. The latest one for Blackberry Cottage was lodged in October 2014 at band D and expired in October 2024, so a new one is needed to sell or let. Floor area, heating and insulation details on this page come from it.
Planning records
Planning applications are collected from local authority registers through PlanIt. 2 applications are matched to Blackberry Cottage. Councils sometimes file applications under a different address format, and applications on neighbouring land aren't listed here; the report covers both.
Area figures
Crime is police-recorded street-level data over the last 16 months, which places each incident at an approximate point. Schools and stops are measured in a straight line from NN14 3AA. Road noise is Defra's strategic noise modelling, averaged across the postcode.
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about Blackberry Cottage, 28, Grafton Underwood, Kettering, NN14 3AA. Each answer is also embedded as structured data for search engines.

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