11 Castle Road, Wellingborough, NN8 1LL
About 11 Castle Road
11 Castle Road is a four-bedroom end-of-terrace house in Wellingborough (NN8 1LL). It has a recorded floor area of 124 m² (around 1335 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (October 2024) shows a D (score 61), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 80). Period features are noted in the property record. Records show the property has been extended at some point in its history.
At 124 m² the property is well over the postcode median (55 m² across 17 EPCs), placing it in the larger end of the local stock. A recent sale: £338,500 in March 2025. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Across 2003–2025, sale prices on this property compounded at 6.1% per year. On a £-per-square-foot basis, the last sale (£254/sq ft) was about 173% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms4
- Bathrooms1
- Open-plan layoutYes
Outside
- Private gardenSouth-facing
Building
- Period featuresYes
- Previously extendedYes
- RefurbishedYes
Energy performance
11 Castle Road's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has been extended more than once, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
11 Castle Road has 2 separate extension applications on the council record.
2 applications on record at 11 Castle Road, Wellingborough, NN8 1LL
- Dec 2007ExtensionFullOutcome in report
Extension: Two storey · Rear of property
Two storey extension to the rear of 11 Castle Road
- Documents
- 4 docs on file
- Reference
- WP/2007/0746
- More recent applications — locked
- ExtensionAug 2014Decision
Unlock 11 Castle Road, Wellingborough, NN8 1LL's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications on this property in full, plus 4 notable nearby
- The 13 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Latest sale on 11 Castle Road was the highest on Land Registry record across the postcode.
£345,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.1% per year over 22 years.
£338,500
Growth on file: 6.1% per year over 22 years.
Sales timeline
21 March 2025Most recent
£338,500
+93.4%over 10 years23 April 2014
£175,000
+91.8%over 11 years16 January 2003
£91,250
Median price across the last 5 sales in NN8 1LL: £152,000 (2025–2018).
Nearby sales in NN8 1LL
Versus other Castle Road homes
11 Castle Road is notably below the street on years held.
Price per m²
£2,730
Street avg £1,791
Floor Area
124 m²
Street avg 91 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
6.8 t/year
Street avg 4.1 t/year
Similar properties nearby
1 Albert Road
NN8 1EL
1 Deeley Close
NN8 1TG
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NN8 1SH
1 Castle Road
NN8 1LL
1 Clementine Street
NN8 1TT
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NN8 1FW
1 Dryden Road
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1 Court Mews, Irthlingborough Road
NN8 1PG
The neighbourhood at a glance
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
All Saints Church — bus stop.
Closest school
0.1 km
All Saints CEVA Primary School and Nursery. 18 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
53.0dB

Night-time· 23:00 – 07:00
43.9dB







