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21 Great Ground Walk, Northampton, NN4 5BB

1 planning record

Estimated value

£450,000

  • Since the 2016 sale (£322,250)+40%
  • Against NN4 5BB's recent median (£275,300)+63%

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

Learn about this valuation
Property type
Detached
Bedrooms
4
Bathrooms
2
Floor area
118 m²
1270 sq ft
Energy rating
C
Score 70
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

£450,000

  • Against its 2016 sale (£322,250)+40%
  • Against NN4 5BB's recent median (£275,300)+63%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 21 Great Ground Walk is modelled from its 118 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in NN4 5BB. 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

    118 m² from the EPC lodged in February 2026

  • Sales of this home

    2 sales recorded, the latest in 2016

  • Recent sales in NN4 5BB

    5 sales, median £275,300 (2025–2020)

This page or the full report?

DataThis pageFull report
SalesLatest sale shown: November 2025Latest 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.

Sale price has at least doubled since 2001.

Sales timeline

  1. 26 June 2016Most recent

    £322,250

    +118.8%over 15 years

  2. 29 May 2001

    £147,250

Median price across the last 5 sales in NN4 5BB: £275,300 (2025–2020).

Risks

What this page doesn't show

2 potential issues have already been flagged for 21 Great Ground Walk, Northampton, NN4 5BB. The detail, evidence and what to ask about it are in the Risks Report.
  • Signs of HMO activity in the areaIn 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 Great Ground Walk

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

21 Great Ground Walk is a four-bedroom detached house in Northampton (NN4 5BB). It has a recorded floor area of 118 m² (around 1270 sq ft), construction records dating it to 1996-2002 and council tax band E. The latest certificate (February 2026) shows a C (score 70). When first surveyed in October 2013 the rating was D, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Very Poor to Good and lighting went from Average to Good; while window efficiency dropped from Average to Poor. This certificate was lodged in the last six months, so the rating reflects current condition. Other recorded features include a conservatory. The home occupies a corner plot.

At 118 m² the property is well over the postcode median (81 m² across 14 EPCs), placing it in the larger end of the local stock. One planning record on file: a garage conversion approved in 2009. Past consents include a garage conversion, meaningful when judging how the property has evolved. Across 2001–2016, sale prices on this property compounded at 5.3% per year. Today's modelled estimate of £450,000 is 39.6% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£254/sq ft) was about 51.7% above the typical sold price in the postcode. Last changed hands 10 years ago, in June 2016.

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
  • Dining roomYes
  • Utility roomYes
  • EnsuiteYes
  • ConservatoryYes

Outside

  • GarageYes
  • Corner plotYes
Before you decide

Everything you need to know about 21 Great Ground Walk

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

Signs of HMO activity in the areaLarger development activity nearby

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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.

The EPC has just been inspected, so the rating reflects current condition.

Current Certificate(1 of 3)
Feb 2026

EPC Rating

A
B
C
C70
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Poor
CO2 Emissions
3.2 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 4 February 2036

9 years remaining

Property Improvements

Changes detected from historical EPC data

Dec 2015from Oct 2013
Hot Water
ImmersionMain System

Hot water system upgraded

Windows
Mostly DoubleFull Double

Windows upgraded, improving insulation

Feb 2026from Dec 2015
EPC improved fromD63toC70
Low Energy Lighting
53%100%

More low energy lighting installed

Planning

Planning history

Applications and permits filed against 21 Great Ground Walk, Northampton, NN4 5BB, sourced from the PlanIt planning register.

1 application on record at 21 Great Ground Walk, Northampton, NN4 5BB

1decisions1extensions6documents4nearby
  1. Apr 2009
    Garage ConversionFull
    Outcome in report

    Part conversion of garage into habitable room

    Documents
    6 docs on file
    Reference
    S/2009/0189/P
    Full record in report

Unlock 21 Great Ground Walk, Northampton, NN4 5BB'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 4 notable nearby
  • The 6 documents, officer reports & conditions
  • What the pattern means for extending or converting here
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On the street

Versus other Great Ground Walk homes

Four headline reads against 14 similar houses on this street, drawn from the latest EPC and Land Registry data.

On floor area, 21 Great Ground Walk stands well clear of the street.

Price per m²

£2,731

Street avg £2,262

On par

Floor Area

118 m²

Street avg 83 m²

Strongly above

Habitable Rooms

6 rooms

Street avg 5 rooms

Strongly above

CO₂ Emissions

3.2 t/year

Street avg 2.8 t/year

Strongly below
Area

The neighbourhood at a glance

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

Crime

339/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

Great Ground Walk — bus stop.

Closest school

0.3 km

Woodland View Primary School. 8 schools nearby.

Nearest schools

  • Woodland View Primary SchoolPrimary271m
  • Caroline Chisholm SchoolAll-through1.4km
  • Caroline Chisholm SchoolAll-through1.4km
  • Collingtree Church of England Primary SchoolPrimary1.6km

Nearest stops

  • Great Ground WalkBus stop69m
  • Play AreaBus stop97m
  • The RidingsBus stop175m
  • The GreenBus stop247m

Most reported crime locally

  • Violence & Sexual Offences1,851 reports36%
  • Anti-social Behaviour1,154 reports23%
  • Other Theft390 reports8%
  • Criminal Damage & Arson325 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 NN4 5BB from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for NN4 5BB

Daytime· 07:00 – 23:00

51.2dB

Low
Night-time road noise heatmap for NN4 5BB

Night-time· 23:00 – 07:00

42.8dB

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 2 HomeBuyer Report

Late 20th centuryDetached HouseEPC C

We've checked 10 risk factors against the available data for this property and believe a Level 2 HomeBuyer Report could be a suitable option for you.

From £695 · 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.
£454k

1 Hazel Copse

NN4 5BY

4 bed
£439k

1 Clover Field

NN4 5DB

4 bed2 bath
£465k

1 Foxglove Close, Grange Park

NN4 5DD

4 bed2 bath
£428k

1 Cornflower Close, Grange Park

NN4 5BX

4 bed
£474k

1 Meadowsweet Walk, Grange Park

NN4 5DA

4 bed2 bath
£422k

1 Badger Lane, Grange Park

NN4 5DH

4 bed3 bath
£400k

1 Barn Close

NN4 5AG

4 bed
£508k

1 High Barns Close

NN4 5BH

4 bed

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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 Great Ground Walk is modelled from its 118 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in NN4 5BB. 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 Great Ground Walk. 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 Great Ground Walk was lodged in February 2026 at band C and is valid until February 2036. 3 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 Great Ground Walk. 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 15 months, which places each incident at an approximate point. The 8 schools and 30 stops listed are measured in a straight line from NN4 5BB, not by walking route. Road noise is Defra's strategic noise modelling, averaged across the postcode.
Council tax band
21 Great Ground Walk 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 Great Ground Walk, Northampton, NN4 5BB. Each answer is also embedded as structured data for search engines.

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