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Get started21 Water Street is a three-bedroom mid-terrace house in Kidwelly (SA17 5BX). It has a recorded floor area of 98 m² (around 1055 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (August 2025) shows a C (score 73). When first surveyed in May 2014 the rating was F, the property has climbed 3 bands since. Between certificates, wall efficiency went from Very Poor to Poor, window efficiency went from Poor to Average and hot-water efficiency went from Very Poor to Good. The recommended improvements would push it to B (score 81). Period features are noted in the property record.
Today's modelled estimate of £137,000 sits 161% above the 2015 sale of £52,500. On a £-per-square-foot basis, the last sale (£50/sq ft) was about 50.5% below the postcode norm. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved. Its energy rating outperforms most of the postcode (better than 74% of similar EPCs). On the market in July 2015 and unlisted since — roughly 11 years.
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
NON MATERIAL AMENDMENT TO S/36629 (DEMOLISH SINGLE STOREY EXTENSION AND CONSTRUCT A TWO-STOREY EXTENSION, WITH INTERNAL ALTERATIONS, GRANTED 23/02/2018) - CHANGE IN FIRST FLOOR LAYOUT
21 Water Street valuation sits well clear of the typical sold price in this postcode.
£137,000
Modelled from EPC, postcode comparables.
£52,500
Recorded with HM Land Registry.
On epc rating, 21 Water Street stands well clear of the street.
Price per m²
£536
Street avg £1,241
Floor Area
98 m²
Street avg 97 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Kidwelly Shops — bus stop.
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Windows upgraded, improving insulation
Wall insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
DEMOLITION OF EXISTING SINGLE STOREY EXTENSION AND CONSTRUCTION OF TWO STOREY EXTENSION AND INTERNAL ALTERATIONS
24 July 2015Most recent
£52,500
Median price across the last 5 sales in SA17 5BX: £109,000 (2025–2024).
CO₂ Emissions
2.5 t/year
Street avg 4.9 t/year
SA17 5TJ
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