Harbour House, Flat 22, 121 Gardner Road, Portslade, Brighton, BN41 1PN
About Harbour House
Harbour House is a mid-terrace house in Portslade, Brighton, Brighton (BN41 1PN). It has a recorded floor area of 83 m² (around 893 sq ft), construction records dating it to 1967-1975 and council tax band B. At 83 m² this is the 22nd smallest of 23 units on EPC record in Harbour House, where floor areas span 32–91 m². The building's EPC ratings span D to B, with this unit at the bottom. The latest certificate (November 2020) shows a D (score 67), on the cusp of jumping into the C band. Earlier certificates rated it B (April 2009); the latest reading is 2 bands lower. Between certificates, wall efficiency dropped from Good to Average and roof efficiency dropped from Good to Very Poor. The recommended improvements would push it to C (score 76).
Across 2017–2021, sale prices on this property compounded at 22.5% per year. Today's modelled estimate of £255,000 is 56% below the 2021 sale of £580,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£649/sq ft) was about 144.5% above the typical sold price in the postcode. At 83 m² the property is well over the postcode median (60 m² across 65 EPCs), placing it in the larger end of the local stock. Sold September 2021 for £580,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at Harbour House
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
EPC Rating
Planning history
Harbour House has no planning applications on record.
Notable planning nearby
7applications of note in the surrounding area
We flagged 2 things worth checking at Harbour House
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
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Sales history & valuation
Harbour House has more than doubled in price since the earliest registered sale in 2017.
£255,000
Modelled from EPC, postcode comparables and a sale-price growth of 22.5% per year over 4 years.
£580,000
Growth on file: 22.5% per year over 4 years.
Sales timeline
27 September 2021Most recent
£580,000
+121.0%over 3 years3 November 2017
£262,500
Median price across the last 5 sales in BN41 1PN: £300,000 (2024–2020).
Nearby sales in BN41 1PN
65 Gardner Road, Portslade, Brighton, BN41 1PN
Sold Sept 2024
£257,500Harbour House, Flat 12, 121 Gardner Road, Portslade, Brighton, BN41 1PN
Sold Sept 2021
£3,750,000Harbour House, Flat 23, 121 Gardner Road, Portslade, Brighton, BN41 1PN
Sold Sept 2021
£580,000107b, Gardner Road, Portslade, Brighton, BN41 1PN
Sold Feb 2020
£75,000117 Gardner Road, Portslade, Brighton, BN41 1PN
Sold Jan 2020
£300,000
Everything we know about Harbour House, 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

Versus other Gardner Road homes
On co₂ emissions, Harbour House runs well behind the street norm.
Price per m²
£6,988
Street avg £16,599
Floor Area
83 m²
Street avg 53 m²
Habitable Rooms
4 rooms
Street avg 3 rooms
CO₂ Emissions
3.2 t/year
Street avg 1.6 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
The Albion Inn — bus stop.
Closest school
0.6 km
Eastbrook Primary Academy. 16 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
51.4dB

Night-time· 23:00 – 07:00
42.5dB