19a, Rockleigh Avenue, Leigh On Sea, SS9 1LA
About 19a
19a is a one-bedroom mid-terrace house in Leigh On Sea (SS9 1LA). It has a recorded floor area of 54 m² (around 581 sq ft) and construction records dating it to 1900-1929. At 54 m² this is the 10th smallest of 34 units on EPC record in the building, where floor areas span 42–206 m². The building's EPC ratings span F to C, with this unit at the top. The latest certificate (June 2022) shows a C (score 70). When first surveyed in May 2012 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Good, hot-water efficiency went from Average to Good and lighting went from Good to Very Good.
At 54 m² it sits well below the postcode median (91 m² across 33 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 85% of similar EPCs). Sold August 2022 for £270,000. Across the public record there are 5 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. Across 2007–2022, sale prices on this property compounded at 3.5% per year. On a £-per-square-foot basis, the last sale (£465/sq ft) was about 131.1% above the typical sold price in the postcode.
Know exactly what you're buying at 19a
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
- Bedrooms1
- Bathrooms1
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Single glazing replaced with double or better glazing
More low energy lighting installed
Planning history
19a has no planning applications on record.
Notable planning nearby
5applications of note in the surrounding area
We flagged 1 thing worth checking at 19a
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
19a has changed hands more often than typical for the area.
£288,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.5% per year over 15 years.
£270,000
Growth on file: 3.5% per year over 15 years.
Sales timeline
30 August 2022Most recent
£270,000
+8.0%over 4 years18 December 2017
£250,000
+13.6%over 1 year28 September 2016
£219,995
+54.4%over 2 years5 November 2013
£142,500
-11.8%over 6 years5 August 2007
£161,495
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 19a, 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
19a outperforms the street on habitable rooms by a wide margin.
Price per m²
£5,000
Street avg £3,546
Floor Area
54 m²
Street avg 53 m²
Habitable Rooms
4 rooms
Street avg 3 rooms
CO₂ Emissions
2.1 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