21 Belgrave Close, Leigh On Sea, SS9 5EU
About 21 Belgrave Close
21 Belgrave Close is a three-bedroom semi-detached house in Leigh On Sea (SS9 5EU). It has a recorded floor area of 67 m² (around 721 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (February 2022) shows a D (score 68), on the cusp of jumping into the C band. When first surveyed in September 2010 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Good and window efficiency went from Average to Good. The recommended improvements would lift it to B (score 85), a 2-band jump. Other recorded features include a conservatory.
One planning record on file: an extension approved in 2025. Past consents include an extension and a porch, meaningful when judging how the property has evolved. Across 2011–2019, sale prices on this property compounded at 7.4% per year. Today's modelled estimate of £363,000 is 18.2% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£426/sq ft) was about 102.2% above the typical sold price in the postcode. At 67 m² it's 18.3% smaller than the typical home in the postcode (82 m² median across 11 EPCs). Sold April 2019 for £307,000.
Know exactly what you're buying at 21 Belgrave 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
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Open-plan layoutYes
- Dining roomYes
- ConservatoryYes
Outside
- GarageYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Roof insulation improved
Window efficiency improved
Cavity wall insulation installed
More low energy lighting installed
Planning history
Council records include a part-single-part-two-storey side and rear extension at 21 Belgrave Close.
- Dec 2025PorchFullIn report
Extension: Part single, part two storey · Side and rear of property
Erect part single/part two storey side and rear extension, erect pitched roof canopy over front entrance door and alter elevations
- Agent
- KLE Design Limited
Extension- Reference
- 25/01517/FULH
We flagged 1 thing worth checking at 21 Belgrave 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.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
21 Belgrave Close saw 3 transfers in just over a decade — high turnover for the postcode.
£363,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.4% per year over 8 years.
£307,000
Growth on file: 7.4% per year over 8 years.
Sales timeline
8 April 2019Most recent
£307,000
+33.5%over 4 years11 November 2014
£230,000
+28.5%over 3 years28 September 2011
£179,000
Median price across the last 5 sales in SS9 5EU: £320,000 (2024–2016).
Nearby sales in SS9 5EU
24 Belgrave Close, Leigh On Sea, SS9 5EU
Sold Sept 2024
£315,00014 Belgrave Close, Leigh On Sea, SS9 5EU
Sold Dec 2022
£445,0007 Belgrave Close, Leigh On Sea, SS9 5EU
Sold Jun 2021
£320,00015 Belgrave Close, Leigh On Sea, SS9 5EU
Sold Mar 2017
£300,0001 Belgrave Close, Leigh On Sea, SS9 5EU
Sold Apr 2016
£340,000
Everything we know about 21 Belgrave 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
- Larger development activity nearby

Versus other Belgrave Close homes
21 Belgrave Close outperforms the street on co₂ emissions by a wide margin.
Price per m²
£4,582
Street avg £3,284
Floor Area
67 m²
Street avg 82 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
2.5 t/year
Street avg 4.0 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Progress Road — bus stop.
Closest school
0.6 km
Edwards Hall Primary School. 20 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
54.8dB

Night-time· 23:00 – 07:00
47.0dB