Abbots House, High Street, Seal, Sevenoaks, TN15 0AJ
About Abbots House
Abbots House is a detached house in Seal, Sevenoaks, Sevenoaks (TN15 0AJ). It has a recorded floor area of 219 m² (around 2357 sq ft), construction records dating it to 1976-1982 and council tax band H. The latest certificate (April 2019) shows a D (score 64), on the cusp of jumping into the C band. When first surveyed in March 2009 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Average, window efficiency went from Average to Good and lighting went from Poor to Very Good. The recommended improvements would push it to C (score 78).
Today's modelled estimate of £1,186,000 is 18.8% below the 2023 sale of £1,460,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£619/sq ft) was about 118.8% above the typical sold price in the postcode. At 219 m² the property is well over the postcode median (108 m² across 16 EPCs), placing it in the larger end of the local stock. 7 planning records sit against the property, 3 approved, 0 refused. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved. Sold June 2023 for £1,460,000.
Know exactly what you're buying at Abbots House
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
Abbots House's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
Wall insulation upgraded
Roof insulation improved
More low energy lighting installed
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
- Mar 2025DemolitionFullIn report
Extension: Single storey
Demolition of existing rear conservatory and erection of single storey rear extensions, front extension and brickwork planter. Alteration to fenestration. Installation of Air Source Heat Pump and alterations to the downpipes. Demolition of existing rear conservatory and erection of single storey rear extensions, front extension and brickwork planter. Alteration to fenestration. Installation of Air Source Heat Pump and alterations to the downpipes
Extension- Documents
- 6 docs on file
- Reference
- 24/03363/HOUSE
- Jun 2024AmendmentIn report
Amendment to 23/03520/HOUSE.
- Documents
- 5 docs on file
- Reference
- 24/00962/MMA
We flagged 1 thing worth checking at Abbots House
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
Latest sale on Abbots House was the highest on Land Registry record across the postcode.
£1,186,000
Modelled from EPC, postcode comparables.
£1,460,000
Recorded with HM Land Registry.
Sales timeline
29 June 2023Most recent
£1,460,000
Median price across the last 5 sales in TN15 0AJ: £388,000 (2025–2021).
Nearby sales in TN15 0AJ
22 High Street, Seal, Sevenoaks, TN15 0AJ
Sold Sept 2025
£255,00014 High Street, Seal, Sevenoaks, TN15 0AJ
Sold Jan 2023
£560,00010 High Street, Seal, Sevenoaks, TN15 0AJ
Sold Mar 2021
£700,0008 High Street, Seal, Sevenoaks, TN15 0AJ
Sold Mar 2021
£388,00012b, High Street, Seal, Sevenoaks, TN15 0AJ
Sold Jan 2021
£630,000
Everything we know about Abbots House, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other High Street homes
Abbots House outperforms the street on price per m² by a wide margin.
Price per m²
£6,667
Street avg £4,298
Floor Area
219 m²
Street avg 121 m²
Habitable Rooms
8 rooms
Street avg 5 rooms
CO₂ Emissions
8.3 t/year
Street avg 4.7 t/year
Similar properties nearby
1 Blackhall Place, The Oast, Blackhall Lane
TN15 0HT
1 Copse Bank, Seal
TN15 0DE
1 Childsbridge Way, Seal
TN15 0DG
1 Brook Cottages, Brook Lane, Plaxtol
TN15 0RF
1 Crown Point Cottage, Sevenoaks Road, Seal Chart
TN15 0HB
1 Broadhoath, Stone Street, Seal
TN15 0LX
1 Five Went Ways Cottages, Stone Street, Seal
TN15 0LR
1 Forge View, Carters Hill, Underriver
TN15 0RY
The neighbourhood at a glance
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
0.0 km
The Crown — bus stop.
Closest school
0.5 km
Seal Church of England Primary School. 7 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
48.0dB

Night-time· 23:00 – 07:00
40.6dB