99 Park Street, Aylesbury, HP20 1DU
About 99 Park Street
99 Park Street is a two-bedroom mid-terrace house in Aylesbury (HP20 1DU). It has a recorded floor area of 65 m² (around 700 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (April 2016) shows a D (score 65), on the cusp of jumping into the C band. Earlier certificates rated it C (March 2010); the latest reading is one band lower. Between certificates, hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would lift it to B (score 87), a 2-band jump. The latest certificate is from April 2016, so improvements made since then won't be reflected.
One planning record on file: a loft conversion approved in 2022. Past consents include a loft conversion, meaningful when judging how the property has evolved. Across 2008–2016, sale prices on this property compounded at 10.8% per year. Today's modelled estimate of £287,000 is 19.6% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£343/sq ft) was about 50% above the typical sold price in the postcode. On the market in June 2016 and unlisted since — roughly 10 years. At 65 m² it's 16.7% smaller than the typical home in the postcode (78 m² median across 26 EPCs).
What this property has
Inside
- Bedrooms2
Outside
- Private gardenRear
Building
- RefurbishedYes
Everything you need to know about 99 Park Street
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee

Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 21 Apr 2026
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
1 application on record at 99 Park Street, Aylesbury, HP20 1DU
- Dec 2022Loft ConversionFullOutcome in report
Householder application for loft conversion including raising of roof height and installation of dormer windows to rear and side return roof slopes
- Documents
- 10 docs on file
- Reference
- 22/03032/APP
Unlock 99 Park Street, Aylesbury, HP20 1DU's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 7 notable nearby
- The 10 documents, officer reports & conditions
- What the pattern means for extending or converting here
One time fee only - money back guarantee
Sales history & valuation
99 Park Street has more than doubled in price since the earliest registered sale in 2008.
£287,000
Modelled from EPC, postcode comparables and a sale-price growth of 10.8% per year over 8 years.
£240,000
Growth on file: 10.8% per year over 8 years.
Sales timeline
28 June 2016Most recent
£240,000
+120.2%over 7 years23 October 2008
£109,000
Median price across the last 5 sales in HP20 1DU: £280,000 (2025–2024).
Nearby sales in HP20 1DU
Versus other Park Street homes
Floor Area for 99 Park Street lags the street by a wide margin.
Price per m²
£3,692
Street avg £3,066
Floor Area
65 m²
Street avg 80 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
2.9 t/year
Street avg 4.1 t/year
Everything you need to know about 99 Park Street
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee

Similar properties nearby
1 Cedar Close
HP20 1XU
1 Ash Close
HP20 1XX
1 Barnsbury Avenue
HP20 1NL
1 Bowerbank Court, Bierton Road
HP20 1EQ
1 Dixie Court, Tring Road
HP20 1LE
1 Ascott Road
HP20 1HX
1 Aspen Close
HP20 1XY
1 Coppice Way
HP20 1XG
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
7/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Pembroke Road — bus stop.
Closest school
0.5 km
Aylesbury Grammar School. 29 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
54.0dB

Night-time· 23:00 – 07:00
45.2dB






