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23 Marriott Street, Semilong, Northampton, NN2 6AW

Property type
Mid terrace
Habitable rooms
8
From EPC
Floor area
140 m²
1507 sq ft
Energy rating
C
Score 72
Council tax
Band C
Tenure
Social Rental
Overview

About 23 Marriott Street

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

23 Marriott Street is a mid-terrace house in Semilong, Northampton, Northampton (NN2 6AW). It has a recorded floor area of 140 m² (around 1507 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (August 2025) shows a C (score 72). The recommended improvements would push it to B (score 82).

It hasn't traded since March 2002, a hold of 24 years that's notably long for the area. Today's modelled estimate of £319,000 sits 147.3% above the 2002 sale of £129,000.

Before you decide

Everything you need to know about 23 Marriott Street

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

Signs of HMO activity in the areaLarger development activity nearby

Pick your report · every report is £14.99

One time fee only - money back guarantee

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.

EPC Rating

A
B
C
C72
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
3.6 t/year
Occupancy
Rented
SDL Surveying

Get a survey for this property

Level 3 Building Survey

Victorian-eraMid-Terrace HouseEPC CPre-1919 buildSolid (non-cavity) walls

Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.

From £955 · Includes VAT

Planning

Planning history

Applications and permits filed against 23 Marriott Street, Semilong, Northampton, NN2 6AW, sourced from the PlanIt planning register.

23 Marriott Street has no planning applications on record.

37

But the area is active

37 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.

Price

Sales history & valuation

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

23 Marriott Street valuation sits well clear of the typical sold price in this postcode.

Current estimate

£319,000

Modelled from EPC, postcode comparables.

See how we calculated this
Last sold (2002)

£129,000

Recorded with HM Land Registry.

Sales timeline

  1. 15 March 2002Most recent

    £129,000

Median price across the last 5 sales in NN2 6AW: £240,000 (2025–2016).

On the street

Versus other Marriott Street homes

Four headline reads against 9 similar houses on this street, drawn from the latest EPC and Land Registry data.

23 Marriott Street outperforms the street on epc rating by a wide margin.

Price per m²

£921

Street avg £1,404

Below

Floor Area

140 m²

Street avg 185 m²

Below

Habitable Rooms

8 rooms

Street avg 8 rooms

On par

CO₂ Emissions

3.6 t/year

Street avg 9.3 t/year

Strongly above
Before you decide

Everything you need to know about 23 Marriott Street

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

Signs of HMO activity in the areaLarger development activity nearby

Pick your report · every report is £14.99

One time fee only - money back guarantee

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
Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£291k

1 Cecil Road

NN2 6PG

£283k

1 Edinburgh Road

NN2 6PH

3 bed2 bath
£274k

1 Brockton Street

NN2 6EQ

3 bed2 bath
£260k

1 Agnes Road

NN2 6EU

£231k

1 Essex Terrace, Essex Street

NN2 6DP

3 bed
£228k

1 Garfield Close

NN2 6NF

3 bed
£453k

1 Adelaide Terrace, Barrack Road

NN2 6AH

5 bed3 bath
£211k

1 Cranbrook Road

NN2 6JT

2 bed1 bath
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

27/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

Marriott Street — bus stop.

Closest school

0.3 km

Northampton International Academy. 31 schools nearby.

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 NN2 6AW from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for NN2 6AW

Daytime· 07:00 – 23:00

51.1dB

Low
Night-time road noise heatmap for NN2 6AW

Night-time· 23:00 – 07:00

41.5dB

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 23 Marriott Street, Semilong, Northampton, NN2 6AW. Each answer is also embedded as structured data for search engines.