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21 Warkton Lane, Barton Seagrave, Kettering, NN15 5AB

Listed building1 planning record

Estimated value

£552,000

  • Since the 2002 sale (£200,000)+176%
  • Against NN15 5AB's recent median (£545,000)+1%

Newest record on this page: July 2026. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.

Learn about this valuation
Property type
Semi-detached
Bedrooms
5
Floor area
234 m²
2519 sq ft
Energy rating
D
Score 65
Council tax
Band E
Tenure
Owner Occupied
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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

£552,000

  • Against its 2002 sale (£200,000)+176%
  • Against NN15 5AB's recent median (£545,000)+1%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 21 Warkton Lane is modelled from its 234 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in NN15 5AB. 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

    234 m² from the EPC lodged in July 2026

  • Sales of this home

    2 sales recorded, the latest in 2002

  • Recent sales in NN15 5AB

    5 sales, median £545,000 (2024–2021)

This page or the full report?

DataThis pageFull report
SalesLatest sale shown: September 2024Latest available records, read when you order
ValuationEstimate from the last refreshAnalysed against comparable sales
Planning1 applicationFull 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.

21 Warkton Lane's estimated value is more than triple its earliest registered sale price (2001).

Sales timeline

  1. 16 October 2002Most recent

    £200,000

    +13.6%over 1 year

  2. 19 July 2001

    £176,000

Median price across the last 5 sales in NN15 5AB: £545,000 (2024–2021).

Risks

What this page doesn't show

1 potential issue has already been flagged for 21 Warkton Lane, Barton Seagrave, Kettering, NN15 5AB. The detail, evidence and what to ask about it are in the Risks Report.
  • Larger development activity nearbyIn report
  • Flood risk from rivers, sea and surface waterIn report
  • Subsidence and ground-stability signalsIn report
  • Refusals, enforcement and big schemes nearbyIn report

One time fee only - money back guarantee

Overview

About 21 Warkton Lane

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

21 Warkton Lane is a five-bedroom semi-detached house in Barton Seagrave, Kettering, Kettering (NN15 5AB). It has a recorded floor area of 234 m² (around 2519 sq ft), construction records dating it to 1930-1949 and council tax band E. It is a listed building, which means external alterations are tightly controlled but it may qualify for heritage tax reliefs. Other recorded features include a self-contained annexe and attached land beyond the plot. The latest certificate (July 2026) shows a D (score 65), on the cusp of jumping into the C band. Earlier certificates rated it C (July 2014); the latest reading is one band lower. Between certificates, wall efficiency went from Very Poor to Good and lighting went from Average to Good; while window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 71). This certificate was lodged in the last six months, so the rating reflects current condition.

Held since October 2002 — that's 24 years off the open market, well above the local norm. Across 2001–2002, sale prices on this property compounded at 10.8% per year. Today's modelled estimate of £552,000 sits 176% above the 2002 sale of £200,000. On a £-per-square-foot basis, the last sale (£79/sq ft) was about 48.1% below the postcode norm. One planning record on file: an extension approved in 2018. Past consents include an extension, meaningful when judging how the property has evolved.

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
  • Dining roomYes
  • EnsuiteYes

Outside

  • Private gardenWest-facing
  • GarageDouble, Detached
  • LandYes

Building

  • Listed buildingYes
Before you decide

Everything you need to know about 21 Warkton Lane

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

Larger development activity nearby

Pick your report · from £14.99

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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.

21 Warkton Lane's carbon output runs well above what efficient homes in the postcode produce.

Current Certificate(1 of 2)
Jul 2026

EPC Rating

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

Certificate validity

Valid until 16 July 2036

9 years remaining

Property Improvements

Changes detected from historical EPC data

Jul 2026from Jul 2014
EPC improved fromC72toD65
Windows
Mostly DoubleFull Double

Windows upgraded, improving insulation

Wall Insulation
Uninsulated SolidInsulated Cavity

Cavity wall insulation installed

Low Energy Lighting
41%100%

More low energy lighting installed

Planning

Planning history

Applications and permits filed against 21 Warkton Lane, Barton Seagrave, Kettering, NN15 5AB, sourced from the PlanIt planning register.

21 Warkton Lane has an approved extension on the planning record.

1 application on record at 21 Warkton Lane, Barton Seagrave, Kettering, NN15 5AB

1decisions1extensions10documents5nearby
  1. Feb 2018
    ExtensionOutline
    Outcome in report

    Extension to extend beyond the rear wall of the original property by 4.2m with a maximum height of 3.7m and eaves height of 2.5m

    Documents
    10 docs on file
    Reference
    KET/2018/0048
    Full record in report

Unlock 21 Warkton Lane, Barton Seagrave, Kettering, NN15 5AB's full planning history

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

  • Every decision — granted, refused or withdrawn (1 on record)
  • All 1 application on this property in full, plus 5 notable nearby
  • The 10 documents, officer reports & conditions
  • What the pattern means for extending or converting here
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On the street

Versus other Warkton Lane homes

Four headline reads against 29 similar houses on this street, drawn from the latest EPC and Land Registry data.

Price per m² for 21 Warkton Lane lags the street by a wide margin.

Price per m²

£855

Street avg £2,188

Strongly below

Floor Area

234 m²

Street avg 217 m²

Above

Habitable Rooms

8 rooms

Street avg 8 rooms

On par

CO₂ Emissions

8.7 t/year

Street avg 8.2 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.
Full Kettering report

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

Crime

261/mo

Steady year-on-year across the wider district.

Nearest stop

0.3 km

St Lukes Close — bus stop.

Closest school

0.8 km

Millbrook Infant School. 16 schools nearby.

Nearest schools

  • Millbrook Infant SchoolPrimary841m
  • Hayfield Cross CofE SchoolPrimary868m
  • Millbrook Junior SchoolPrimary876m
  • The Latimer Arts CollegeSecondary1.0km

Nearest stops

  • St Lukes CloseBus stop329m
  • St Stephens RoadBus stop457m
  • 9-11 Sulgrave StreetBus stop462m
  • Warkton LaneBus stop495m

Most reported crime locally

  • Violence & Sexual Offences1,168 reports37%
  • Anti-social Behaviour815 reports26%
  • Criminal Damage & Arson203 reports6%
  • Public Order202 reports6%

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 NN15 5AB from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for NN15 5AB

Daytime· 07:00 – 23:00

47.7dB

Low
Night-time road noise heatmap for NN15 5AB

Night-time· 23:00 – 07:00

38.0dB

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

Early 20th centurySemi-Detached HouseEPC DListed buildingExtended multiple times (2+ extensions)

Because the property is a listed building and has been extended more than once, we believe a Level 3 building survey should be considered.

From £1,085 · Includes VAT

Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£362k

1 Barley Drive, Burton Latimer

NN15 5YU

5 bed
£444k

1 Brands Hatch Close, Burton Latimer

NN15 5WF

4 bed2 bath
£433k

1 Buckby Drive, Burton Latimer

NN15 5FU

4 bed2 bath
£417k

1 Ashby Close, Burton Latimer

NN15 5GN

4 bed3 bath
£415k

1 Blake Court, Barton Seagrave

NN15 5EU

4 bed3 bath
£295k

1 Addis Close, Burton Latimer

NN15 5GL

4 bed3 bath
£280k

1 Beardsley Gardens, Barton Seagrave

NN15 5UB

4 bed
£364k

1 Baldwin Drive, Burton Latimer

NN15 5ZJ

3 bed3 bath

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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.
Valuation method in detail
How the estimate is made
The estimate for 21 Warkton Lane is modelled from its 234 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in NN15 5AB. 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. 2 sales are recorded for 21 Warkton Lane. 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 21 Warkton Lane was lodged in July 2026 at band D and is valid until July 2036. 2 certificates are on record, which shows how the home has changed.
Planning records
Planning applications are collected from local authority registers through PlanIt. 1 application is matched to 21 Warkton Lane. 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 12 months, which places each incident at an approximate point. The 16 schools and 30 stops listed are measured in a straight line from NN15 5AB, not by walking route. Road noise is Defra's strategic noise modelling, averaged across the postcode.
Council tax band
21 Warkton Lane is in council tax band E. Bands are set by the Valuation Office Agency from historic values (1 April 1991 in England, 1 April 2003 in Wales), not today's price; the amount you pay depends on the council's rate for the band.
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 21 Warkton Lane, Barton Seagrave, Kettering, NN15 5AB. Each answer is also embedded as structured data for search engines.

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