29a, Rockleigh Avenue, Leigh On Sea, SS9 1LA
About 29a
29a is a one-bedroom semi-detached house in Leigh On Sea (SS9 1LA). It has a recorded floor area of 42 m² (around 452 sq ft) and construction records dating it to 1900-1929. 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 (November 2016) shows an E (score 48), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 70), a 2-band jump.
Most recent transfer was May 2025 at £242,000 — fresh data. At 42 m² it sits well below the postcode median (91 m² across 33 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 85% of similar EPCs). Across 1995–2025, sale prices on this property compounded at 7.5% per year. On a £-per-square-foot basis, the last sale (£535/sq ft) was about 164.4% above the typical sold price in the postcode.
Know exactly what you're buying at 29a
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
Building
- Central heatingYes
- RefurbishedYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Planning history
29a has no planning applications on record.
Notable planning nearby
5applications of note in the surrounding area
We flagged 1 thing worth checking at 29a
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
Price for 29a has grown more than fourfold since the 1995 starting point.
£249,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.5% per year over 29 years.
£242,000
Growth on file: 7.5% per year over 29 years.
Sales timeline
18 May 2025Most recent
£242,000
+15.2%over 3 years29 July 2021
£210,000
+8.8%over 3 years15 January 2018
£193,000
+436.1%over 18 years12 February 1999
£36,000
+25.4%over 3 years30 November 1995
£28,700
Median price across the last 5 sales in SS9 1LA: £490,000 (2025–2022).
Nearby sales in SS9 1LA
29 Rockleigh Avenue, Leigh On Sea, SS9 1LA
Sold Sept 2025
£325,0001 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
£490,00014 Rockleigh Avenue, Leigh On Sea, SS9 1LA
Sold Nov 2022
£460,000
Everything we know about 29a, 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
29a outperforms the street on price per m² by a wide margin.
Price per m²
£5,762
Street avg £3,491
Floor Area
42 m²
Street avg 54 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
3.4 t/year
Street avg 2.6 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