49a, Rockleigh Avenue, Leigh On Sea, SS9 1LA
About 49a
49a is a two-bedroom mid-terrace house in Leigh On Sea (SS9 1LA). It has a recorded floor area of 42 m² (around 452 sq ft), construction records dating it to 1900-1929 and council tax band B. At 42 m² this is the smallest unit on EPC record across the building (42–206 m²). The building's EPC ratings span F to C across 34 units on file. The latest certificate (July 2021) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in June 2015 the rating was F, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Average, window efficiency went from Very Poor to Average and hot-water efficiency went from Poor to Average. The recommended improvements would push it to C (score 75).
At 42 m² it sits well below the postcode median (91 m² across 33 EPCs), making it one of the more compact homes locally. Last changed hands 10 years ago, in May 2016. Across the public record there are 4 sales, relatively high churn for a single property. Across 1999–2016, sale prices on this property compounded at 8.3% per year. Today's modelled estimate of £228,000 is 14% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£442/sq ft) was about 113.7% above the typical sold price in the postcode.
Know exactly what you're buying at 49a
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
- Bedrooms2
- Bathrooms1
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Windows upgraded, improving insulation
Roof insulation improved
More low energy lighting installed
Planning history
49a has no planning applications on record.
Notable planning nearby
5applications of note in the surrounding area
We flagged 1 thing worth checking at 49a
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
Sale price has grown by over 3x since 1999.
£228,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.3% per year over 17 years.
£199,995
Growth on file: 8.3% per year over 17 years.
Sales timeline
26 May 2016Most recent
£199,995
+73.9%over 13 years15 October 2002
£115,000
+53.3%over 1 year28 June 2001
£75,000
+44.2%over 2 years23 June 1999
£52,000
Median price across the last 5 sales in SS9 1LA: £490,000 (2025–2023).
Nearby sales in SS9 1LA
29 Rockleigh Avenue, Leigh On Sea, SS9 1LA
Sold Sept 2025
£325,00029a, Rockleigh Avenue, Leigh On Sea, SS9 1LA
Sold May 2025
£242,0001 Rockleigh Avenue, Leigh On Sea, SS9 1LA
Sold Mar 2025
£600,00027 Rockleigh Avenue, Leigh On Sea, SS9 1LA
Sold Apr 2024
£600,00016 Rockleigh Avenue, Leigh On Sea, SS9 1LA
Sold May 2023
£490,000
Everything we know about 49a, 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 Rockleigh Avenue homes
On floor area, 49a runs well behind the street norm.
Price per m²
£4,762
Street avg £3,563
Floor Area
42 m²
Street avg 54 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
2.2 t/year
Street avg 2.7 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
Chalkwell Schools — bus stop.
Closest school
0.1 km
Chalkwell Hall Infant School. 27 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
51.0dB

Night-time· 23:00 – 07:00
40.8dB