St Kilda Mansions 11a, Flat 1, Upperton Road, Eastbourne, BN21 1ER

St Kilda Mansions 11a is a two-bedroom property in Eastbourne (BN21 1ER). It has a recorded floor area of 66 m² (around 710 sq ft), construction records dating it to 1930-1949 and council tax band B. Tenure is freehold. The latest certificate (March 2026) shows a D (score 61), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since August 2011. Between certificates, lighting dropped from Very Good to Average. The recommended improvements would push it to C (score 71). This certificate was lodged in the last six months, so the rating reflects current condition. At 66 m² this is the 5th smallest of 7 units on EPC record in St Kilda Mansions 11a, where floor areas span 24–76 m². The building's EPC ratings span E to C across 7 units on file. Period features are noted in the property record.

At 66 m² the property is well over the postcode median (40 m² across 35 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs). 8 years since the last transfer (April 2018). Across the public record there are 5 sales, relatively high churn for a single property. Across 1995–2018, sale prices on this property compounded at 8.1% per year. Today's modelled estimate of £195,000 is 21.9% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£225/sq ft) was about 35.3% above the typical sold price in the postcode. One historical planning record sits against the property in 2016.