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Get started11 Brompton Crescent is a four-bedroom mid-terrace house in Aylesbury (HP19 9JX). It has a recorded floor area of 98 m² (around 1055 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (March 2024) shows a C (score 77), near the top of the C band. When first surveyed in February 2009 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Good, roof efficiency went from Poor to Good and hot-water efficiency went from Poor to Good. The recommended improvements would push it to B (score 87). Other recorded features include a loft. Records show the property has been extended at some point in its history.
Sale prices here have outpaced England HPI: 4% per year against 0% for the wider region. Today's modelled estimate of £323,000 is 47.8% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£207/sq ft) was about 20.7% below the postcode norm. At 98 m² it's 25.6% larger than the typical home in the postcode (78 m² median across 11 EPCs). Last sale on file: £218,500 in August 2018. One historical planning record sits against the property in 2018.
Extension: Rear of property
Application for a Lawful Development Certificate for a proposed single storey rear extension and front porch
11 Brompton Crescent valuation sits well clear of the typical sold price in this postcode.
£323,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.0% per year over 14 years.
£218,500
Growth on file: 4.0% per year over 14 years.
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Floor Area for 11 Brompton Crescent runs comfortably ahead of the street norm.
Price per m²
£2,230
Street avg £2,902
Floor Area
98 m²
Street avg 79 m²
Habitable Rooms
6 rooms
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Holland Road — bus stop.

Daytime· 07:00 – 23:00
52.5dB

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Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Wall insulation improved
Roof insulation improved
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31 August 2018Most recent
£218,500
+74.9%over 14 years3 June 2004
£124,950
Median price across the last 5 sales in HP19 9JX: £235,000 (2022–2004).
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 5 rooms
CO₂ Emissions
2.4 t/year
Street avg 3.2 t/year
HP19 9SD
Closest school
0.4 km
Haydon Abbey School and Pre-School. 18 schools nearby.
Night-time· 23:00 – 07:00
42.6dB