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21 Mariners Quay, Littlehampton, BN17 5DA

Notable views3 sales on record
Property type
Mid terrace
Floor 2nd
Bedrooms
3
Bathrooms
3
Floor area
121 m²
1302 sq ft
Energy rating
C
Score 75
Council tax
Band E
Tenure
Owner Occupied
Overview

About 21 Mariners Quay

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

21 Mariners Quay is a three-bedroom mid-terrace house in Littlehampton (BN17 5DA). It has a recorded floor area of 121 m² (around 1302 sq ft), construction records dating it to 1996-2002 and council tax band E. The latest certificate (March 2016) shows a C (score 75), near the top of the C band. The latest certificate is from March 2016, so improvements made since then won't be reflected. Other recorded features include a balcony and notable views.

At 121 m² it's 28.7% larger than the typical home in the postcode (94 m² median across 33 EPCs). Across 2001–2021, sale prices on this property compounded at 2.9% per year. On a £-per-square-foot basis, the last sale (£346/sq ft) was about 48.8% above the typical sold price in the postcode. Last sale on file: £450,000 in June 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.

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

  • Bedrooms3
  • Bathrooms3
  • Utility roomYes
  • EnsuiteYes

Outside

  • ParkingAllocated
  • BalconyYes
  • Notable viewsYes
Before you decide

Everything you need to know about 21 Mariners Quay

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

Signs of HMO activity in the areaEnvironmental risk flagged
£14.99one-off

30-day 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
  • Beautiful Places, source of nearby scenic places
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 16 Mar 2026

EPC Rating

A
B
C
C75
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
3.0 t/year
Occupancy
Owner Occupied
Planning

Planning history

Applications and permits filed against 21 Mariners Quay, Littlehampton, BN17 5DA, sourced from the PlanIt planning register.

21 Mariners Quay has no planning applications on record.

Notable planning nearby

12applications of note in the surrounding area

Before you offer

We flagged 2 things worth checking at 21 Mariners Quay

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
  • Environmental risk flagged
£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.

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

Current estimate

£456,000

Modelled from EPC, postcode comparables and a sale-price growth of 2.9% per year over 20 years.

See how we calculated this
Last sold (2021)

£450,000

Growth on file: 2.9% per year over 20 years.

Sales timeline

  1. 24 June 2021Most recent

    £450,000

    +5.9%over 4 years

  2. 11 October 2016

    £425,000

    +65.0%over 14 years

  3. 21 December 2001

    £257,500

Median price across the last 5 sales in BN17 5DA: £480,000 (2025–2023).

On the street

Versus other Mariners Quay homes

Four headline reads against 13 similar flats on this street, drawn from the latest EPC and Land Registry data.

On co₂ emissions, 21 Mariners Quay runs well behind the street norm.

Price per m²

£3,719

Street avg £3,471

On par

Floor Area

121 m²

Street avg 87 m²

Above

Habitable Rooms

4 rooms

Street avg 3 rooms

Strongly above

CO₂ Emissions

3.0 t/year

Street avg 2.3 t/year

Strongly below
Before you decide

Everything you need to know about 21 Mariners Quay

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

Signs of HMO activity in the areaEnvironmental risk flagged
£14.99one-off

30-day 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
  • Beautiful Places, source of nearby scenic places
Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£443k

1 Britannia Walk, Pier Road

BN17 5TH

3 bed
£413k

1 Atherington Cottages, Climping Street, Climping

BN17 5RN

2 bed1 bath
£390k

1 Fairlight Court, Pier Road

BN17 5DU

4 bed2 bath
£376k

1 Church Farm Cottages, Horsemere Green Lane, Climping

BN17 5QX

2 bed1 bath
£179k

1 Channel Keep, St Augustine Road

BN17 5NQ

3 bed
£328k

1 Cyprus Villas, River Road

BN17 5BY

4 bed1 bath
£531k

1 Cropthorne Drive, Climping

BN17 5GG

5 bed3 bath
£192k

1 Argyll Hall, River Road

BN17 5BN

2 bed2 bath
Area

The neighbourhood at a glance

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

Rail-style transport is unusually close for this postcode.

Crime

5/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

Littlehampton Railway Station — bus stop.

Closest school

0.5 km

River Beach Primary School. 8 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 BN17 5DA from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for BN17 5DA

Daytime· 07:00 – 23:00

49.3dB

Low
Night-time road noise heatmap for BN17 5DA

Night-time· 23:00 – 07:00

40.0dB

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 21 Mariners Quay, Littlehampton, BN17 5DA. Each answer is also embedded as structured data for search engines.