21 Cliffsea Grove, Leigh On Sea, SS9 1NG
About 21 Cliffsea Grove
21 Cliffsea Grove is a three-bedroom end-of-terrace house in Leigh On Sea (SS9 1NG). It has a recorded floor area of 98 m² (around 1060 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (June 2010) shows an E (score 43), well below the UK norm with real room to improve. The latest certificate is from June 2010, so improvements made since then won't be reflected. Records show the property has been extended at some point in its history.
Untraded for 16 years, with the last transfer in August 2010. Across 1998–2010, sale prices on this property compounded at 11.5% per year. Today's modelled estimate of £463,000 sits 85.2% above the 2010 sale of £250,000. It lags the bulk of the postcode on energy efficiency (less efficient than 84% of similar EPCs).
Know exactly what you're buying at 21 Cliffsea Grove
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
What this property has
Inside
- Bedrooms3
- Utility roomYes
- CloakroomYes
Building
- Previously extendedYes
Energy performance
21 Cliffsea Grove's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 08 Jun 2020
EPC Rating
Planning history
21 Cliffsea Grove has no planning applications on record.
Notable planning nearby
5applications of note in the surrounding area
We flagged 1 thing worth checking at 21 Cliffsea Grove
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
30-day money-back guarantee
Sales history & valuation
21 Cliffsea Grove has more than tripled in price since its earliest registered sale in 1998.
£463,000
Modelled from EPC, postcode comparables and a sale-price growth of 11.5% per year over 12 years.
£250,000
Growth on file: 11.5% per year over 12 years.
Sales timeline
23 August 2010Most recent
£250,000
+6.4%over 4 years27 October 2005
£235,000
+252.1%over 7 years9 July 1998
£66,745
Median price across the last 5 sales in SS9 1NG: £465,000 (2025–2024).
Nearby sales in SS9 1NG
19 Cliffsea Grove, Leigh On Sea, SS9 1NG
Sold Sept 2025
£465,00027b, Cliffsea Grove, Leigh On Sea, SS9 1NG
Sold Dec 2024
£170,00067 Cliffsea Grove, Leigh On Sea, SS9 1NG
Sold Sept 2024
£590,00059 Cliffsea Grove, Leigh On Sea, SS9 1NG
Sold Sept 2024
£377,50061 Cliffsea Grove, Leigh On Sea, SS9 1NG
Sold Sept 2024
£586,250
Everything we know about 21 Cliffsea Grove, 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

Versus other Cliffsea Grove homes
Price per m² for 21 Cliffsea Grove lags the street by a wide margin.
Price per m²
£2,539
Street avg £4,087
Floor Area
98 m²
Street avg 111 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
8.0 t/year
Street avg 5.5 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Leigh Cliff Road — bus stop.
Closest school
0.6 km
Chalkwell Hall Infant School. 26 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
50.6dB

Night-time· 23:00 – 07:00
39.9dB