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Get started11 Castlereagh is a five-bedroom detached house in Wynyard, Billingham, Billingham (TS22 5QF). It has a recorded floor area of 239 m² (around 2573 sq ft) and construction records dating it to 1991-1995. The latest certificate (February 2016) shows a C (score 70). The rating has held steady at C across 2 certificates since June 2009. Between certificates, lighting went from Very Poor to Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The latest certificate is from February 2016, so improvements made since then won't be reflected. Other recorded features include notable views.
Sale prices here have outpaced England HPI: 6.4% per year against 0% for the wider region. Today's modelled estimate of £833,000 is 36% above the 2014 sale price. On a £-per-square-foot basis, the last sale (£238/sq ft) was about 67.9% above the typical sold price in the postcode. Last sold in April 2014, so it's been off the market for around 12 years. Across the public record there are 5 sales, relatively high churn for a single property. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and a porch, meaningful when judging how the property has evolved. At 239 m² it's 28% smaller than the typical home in the postcode (332 m² median across 17 EPCs).
11 Castlereagh's carbon output runs well above what efficient homes in the postcode produce.
This certificate is over 10 years old and is no longer valid.Expired 24 Feb 2026
Extension: Single storey · Rear of property
Single storey kitchen extension to rear with balcony over and alterations including installation and removal of windows to front and rear. Porch to front, 2 no. dormer windows and new door to rear of garage, removal of gable above garage and removal of 3 no velux roof lights to rear.
11 Castlereagh has more than tripled in price since its earliest registered sale in 1996.
£833,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.4% per year over 18 years.
£612,500
Growth on file: 6.4% per year over 18 years.
11 Castlereagh is notably below the street on floor area.
Price per m²
£2,563
Street avg £1,877
Floor Area
239 m²
Street avg 345 m²
Habitable Rooms
8 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km

Daytime· 07:00 – 23:00
45.7dB

Changes detected from historical EPC data
Hot water efficiency decreased
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Erection of a double garage/carport/hall extension with gallery and bedroom over including the conversion of the existing garages into a kitchen/preparation area.
16 April 2014Most recent
£612,500
-3.5%over 6 years20 December 2007
£635,000
+178.5%over 6 years31 May 2001
£228,000
+6.0%over 4 years24 June 1996
£215,000
+6.2%22 May 1996
£202,500
Median price across the last 5 sales in TS22 5QF: £775,000 (2023–2019).
Street avg 10 rooms
CO₂ Emissions
7.8 t/year
Street avg 11.1 t/year
TS22 5UX
Castlereagh — bus stop.
Closest school
0.6 km
Wynyard Church of England Primary School. 3 schools nearby.
Night-time· 23:00 – 07:00
37.8dB
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