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20 Excalibur Close, Northampton, NN5 4BJ

3 sales on record2 planning records
Property type
Detached
Bedrooms
4
Floor area
131 m²
1410 sq ft
Energy rating
D
Score 66
Council tax
Band F
Tenure
Owner Occupied
Overview

About 20 Excalibur Close

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

20 Excalibur Close is a four-bedroom detached house in Northampton (NN5 4BJ). It has a recorded floor area of 131 m² (around 1410 sq ft), construction records dating it to 1991-1995 and council tax band F. The latest certificate (April 2016) shows a D (score 66), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 79). The latest certificate is from April 2016, so improvements made since then won't be reflected. Other recorded features include a conservatory.

2 planning records sit against the property, 1 approved, 0 refused. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved. Across 1997–2017, sale prices on this property compounded at 6.1% per year. Today's modelled estimate of £525,000 is 29.2% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£288/sq ft) was about 128.4% above the typical sold price in the postcode. Last changed hands 9 years ago, in April 2017. At 131 m² it's 26.8% smaller than the typical home in the postcode (179 m² median across 14 EPCs).

Before you offer

Know exactly what you're buying at 20 Excalibur Close

Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.

Already flagged here

Signs of HMO activity in the areaLarger 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

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
  • EnsuiteYes
  • ConservatoryYes

Outside

  • Private gardenFront and rear
  • GarageDouble, Detached

Building

  • RefurbishedYes
Energy

Energy performance

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

EPC Expired

This certificate is over 10 years old and is no longer valid.Expired 12 Apr 2026

EPC Rating

A
B
C
D
D66
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
5.2 t/year
Occupancy
Owner Occupied
Planning

Planning history

Applications and permits filed against 20 Excalibur Close, Northampton, NN5 4BJ, sourced from the PlanIt planning register.

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

  1. Jul 2018
    DemolitionFull
    In report

    Extension: Rear of property

    Ground and first floor rear extensions and removal of existing conservatory

    Extension
    Documents
    17 docs on file
    Reference
    N/2018/0751
    View planning record
  2. Oct 2017
    ExtensionFull
    In report

    Extension: Single storey · Front of property

    First floor extension over existing ground floor study to front elevation

    Documents
    19 docs on file
    Reference
    N/2017/1110
    View planning record
Before you offer

We flagged 2 things worth checking at 20 Excalibur Close

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.

  • Signs of HMO activity in the area
  • Larger development activity nearby
£14.99

30-day money-back guarantee

Price

Sales history & valuation

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

Sale price has grown by over 3x since 1997.

Current estimate

£525,000

Modelled from EPC, postcode comparables and a sale-price growth of 6.1% per year over 20 years.

See how we calculated this
Last sold (2017)

£406,500

Growth on file: 6.1% per year over 20 years.

Sales timeline

  1. 23 April 2017Most recent

    £406,500

    +29.0%over 9 years
  2. 9 August 2007

    £315,000

    +154.0%over 10 years
  3. 14 February 1997

    £124,000

Median price across the last 5 sales in NN5 4BJ: £425,000 (2024–2011).

Before you offer

Everything we know about 20 Excalibur Close, in one report

What it's really worth, what could be wrong, and the planning, sales and area data in full.

What we flagged

  • Signs of HMO activity in the area
  • Larger development activity nearby
£14.99
Trusted by UK homebuyers
Preview of the full property report
On the street

Versus other Excalibur Close homes

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

20 Excalibur Close is notably below the street on floor area.

Price per m²

£3,103

Street avg £1,932

Strongly above

Floor Area

131 m²

Street avg 178 m²

Strongly below

Habitable Rooms

8 rooms

Street avg 8 rooms

On par

CO₂ Emissions

5.2 t/year

Street avg 7.0 t/year

Strongly above
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.

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

Crime

6/mo

Steady year-on-year across the wider district.

Nearest stop

0.2 km

The Duston School — bus stop.

Closest school

0.3 km

The Duston School. 15 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 NN5 4BJ from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for NN5 4BJ

Daytime· 07:00 – 23:00

47.7dB

Low
Night-time road noise heatmap for NN5 4BJ

Night-time· 23:00 – 07:00

38.3dB

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 20 Excalibur Close, Northampton, NN5 4BJ. Each answer is also embedded as structured data for search engines.