20 Aldam Street, Darlington, DL1 2HY
About 20 Aldam Street
20 Aldam Street is a two-bedroom mid-terrace house in Darlington (DL1 2HY). It has a recorded floor area of 62 m² (around 672 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (March 2011) shows a D (score 67), on the cusp of jumping into the C band. When first surveyed in February 2009 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Good to Very Good, window efficiency went from Very Poor to Poor and hot-water efficiency went from Very Poor to Good. The recommended improvements would push it to C (score 69). The latest certificate is from March 2011, so improvements made since then won't be reflected.
Held since April 2011 — that's 15 years off the open market, well above the local norm. Across 2003–2011, sale prices on this property compounded at 11.2% per year. Today's modelled estimate of £109,000 sits 86.3% above the 2011 sale of £58,500. On a £-per-square-foot basis, the last sale (£87/sq ft) was about 45.3% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms2
- Dining roomYes
Outside
- Private gardenRear
- GarageYes
Building
- Heating systemGas
- RefurbishedYes
Energy performance
20 Aldam Street's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 20 Mar 2021
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Single glazing replaced with double or better glazing
Loft insulation upgraded to recommended levels
More low energy lighting installed
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 £820 · Includes VAT
Planning history
20 Aldam Street has no planning applications on record.
But the area is active
4 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Sale price has at least doubled since 2003.
£109,000
Modelled from EPC, postcode comparables and a sale-price growth of 11.2% per year over 8 years.
£58,500
Growth on file: 11.2% per year over 8 years.
Sales timeline
14 April 2011Most recent
£58,500
+11.4%over 5 years29 September 2005
£52,500
+114.3%over 2 years24 January 2003
£24,500
Median price across the last 5 sales in DL1 2HY: £55,500 (2025–2023).
Nearby sales in DL1 2HY
Versus other Aldam Street homes
On price per m², 20 Aldam Street stands well clear of the street.
Price per m²
£938
Street avg £705
Floor Area
62 m²
Street avg 74 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
2.7 t/year
Street avg 3.7 t/year
Similar properties nearby
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1 Ajax Street
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
8/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Morrisons — bus stop.
Closest school
0.3 km
Northwood Primary School. 32 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
53.6dB

Night-time· 23:00 – 07:00
42.2dB







