Summary - MILL HOUSE ISLIP KETTERING NN14 3JN
6 bed 3 bath Semi-Detached
A generous period home with boathouse, private river frontage and letting potential.
Grade II listed former mill with historic period features throughout
Approximately 4,150 sqft over three floors; six bedrooms, three bathrooms
About 1+ acre plot with ~200ft private River Nene frontage and boathouse
Part-used as a successful holiday let — potential ancillary income
High flooding risk — insurance and mitigation likely required
Listed status will limit alterations and may increase costs
Oil-fired heating and independent sewerage; council tax banding is high
Gated entrance, sweeping driveway, extensive parking and mature gardens
An exceptional 18th-century former mill occupying over one acre with around 200ft of private River Nene frontage, boathouse and slipway — ideal for buyers seeking a character country home with direct water access. The house extends to about 4,150 sq ft across three floors, offering six bedrooms, three bathrooms and flexible accommodation that has already supported a successful short-term letting suite. Expect original features throughout, generous reception rooms and a riverside ‘river room’ that opens to a terrace and extensive lawned gardens.
Practical considerations are significant and factual. The property is Grade II listed, so alterations will require listed-building consent and could be restrictive and costly. The site has a high flooding risk due to its river location; potential purchasers should obtain flood insurance advice and consider flood mitigation. Heating is oil-fired, drainage is via an independent sewerage system, and council tax banding is described as quite expensive.
The plot and location are major strengths: gated access, sweeping gravel driveway with ample off-street parking, mature specimen trees, terraces and wildlife-rich river frontage. The boathouse, workshop and fishing rights add lifestyle and leisure value. The house’s layout—with dual staircases and a principal suite that spans two levels—offers opportunities for multi-generational use or part-income generation while preserving privacy.
This property will suit a buyer who values historic character, riverside living and a large private plot, and who is prepared for the obligations of owning a listed riverside home. Surveying for flood exposure, listed-status constraints and ongoing maintenance will be essential before purchase.
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