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Get started4 Dagmar Street is a one-bedroom mid-terrace house in Worthing (BN11 1LA). It has a recorded floor area of 102 m² (around 1098 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (February 2026) shows a D (score 62), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since November 2015. Between certificates, roof efficiency went from Good to Very Good; while wall efficiency dropped from Poor to Very Poor. The recommended improvements would push it to C (score 75). This certificate was lodged in the last six months, so the rating reflects current condition.
Sale prices here have outpaced Worthing HPI: 8.4% per year against 0% for the wider region. Today's modelled estimate of £339,000 is 33.5% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£231/sq ft) was about 37.9% above the typical sold price in the postcode. At 102 m² the property is well over the postcode median (72 m² across 13 EPCs), placing it in the larger end of the local stock. On the market in March 2016 and unlisted since — roughly 10 years. Across the public record there are 4 sales, relatively high churn for a single property. One historical planning record sits against the property in 2025.
The EPC has just been inspected, so the rating reflects current condition.
Loft conversion involving raising the roof ridge, rear dormer and front rooflights
4 Dagmar Street has more than quadrupled in price since its earliest registered sale in 1995.
£339,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.4% per year over 20 years.
£254,000
Growth on file: 8.4% per year over 20 years.
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Floor Area for 4 Dagmar Street runs comfortably ahead of the street norm.
Price per m²
£2,490
Street avg £2,202
Floor Area
102 m²
Street avg 72 m²
Habitable Rooms
6 rooms
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Broadwater Bridge — bus stop.

Daytime· 07:00 – 23:00
52.5dB

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Changes detected from historical EPC data
Loft insulation upgraded to recommended levels
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
29 March 2016Most recent
£254,000
+41.2%over 9 years12 July 2006
£179,950
+215.1%over 8 years8 December 1997
£57,100
+15.4%over 2 years28 November 1995
£49,500
Median price across the last 5 sales in BN11 1LA: £245,000 (2023–2015).
Detailed EPC data
Full energy ratings, history and recommendations
Full planning history
Every application and decision on record
Plus much more
Comparable sales, transport, crime, schools and more

Street avg 4 rooms
CO₂ Emissions
3.5 t/year
Street avg 3.2 t/year
BN11 1XB
Closest school
0.4 km
St Andrew's CofE High School. 17 schools nearby.
Night-time· 23:00 – 07:00
42.0dB