30 High Street, Seal, Sevenoaks, TN15 0AP
About 30 High Street
30 High Street is a two-bedroom semi-detached house in Seal, Sevenoaks, Sevenoaks (TN15 0AP). It has a recorded floor area of 96 m² (around 1033 sq ft), construction records dating it to before 1900 and council tax band E. Tenure is freehold. The latest certificate (May 2025) shows an E (score 50), well below the UK norm with real room to improve. When first surveyed in March 2009 the rating was F, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor, window efficiency went from Very Poor to Average and lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 84), a 3-band jump. Period features are noted in the property record.
Held since February 2003 — that's 23 years off the open market, well above the local norm. At 96 m² the property is well over the postcode median (73 m² across 11 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 73% of similar EPCs). Across 1996–2003, sale prices on this property compounded at 15.3% per year. Today's modelled estimate of £476,000 sits 110.2% above the 2003 sale of £226,500. On a £-per-square-foot basis, the last sale (£219/sq ft) was about 20.1% below the postcode norm.
Know exactly what you're buying at 30 High Street
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
What this property has
Inside
- Bedrooms2
- Bathrooms1
Outside
- Private gardenYes
Building
- TenureFreehold
- Period featuresYes
Energy performance
30 High Street's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Single glazing replaced with double or better glazing
More low energy lighting installed
Hot water efficiency decreased
Windows upgraded, improving insulation
Wall insulation improved
More low energy lighting installed
Planning history
30 High Street has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
We flagged 1 thing worth checking at 30 High Street
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
Sale price has at least doubled since 1996.
£476,000
Modelled from EPC, postcode comparables and a sale-price growth of 15.3% per year over 6 years.
£226,500
Growth on file: 15.3% per year over 6 years.
Sales timeline
21 February 2003Most recent
£226,500
+148.9%over 6 years29 September 1996
£91,000
Median price across the last 5 sales in TN15 0AP: £228,000 (2025–2022).
Nearby sales in TN15 0AP
26b, High Street, Seal, Sevenoaks, TN15 0AP
Sold Oct 2025
£239,97526a, High Street, Seal, Sevenoaks, TN15 0AP
Sold Jun 2025
£240,00034 High Street, Seal, Sevenoaks, TN15 0AP
Sold Feb 2024
£200,00032 High Street, Seal, Sevenoaks, TN15 0AP
Sold Oct 2022
£166,00044 High Street, Seal, Sevenoaks, TN15 0AP
Sold Feb 2016
£245,000
Everything we know about 30 High Street, 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
Price per m² for 30 High Street lags the street by a wide margin.
Price per m²
£2,359
Street avg £3,504
Floor Area
96 m²
Street avg 64 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
6.5 t/year
Street avg 4.4 t/year
Similar properties nearby
1 Bourne Vale, Plaxtol
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1 Feldon Cottages, The Street, Plaxtol
TN15 0QF
1 Childsbridge Farm Place, Seal
TN15 0FR
1 Broom Cottages, Seal Chart
TN15 0EX
1 Forge View, Carters Hill, Underriver
TN15 0RY
1 Broadhoath, Stone Street, Seal
TN15 0LX
1 Brook Cottages, Brook Lane, Plaxtol
TN15 0RF
1 Church Road, Seal
TN15 0AU
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
0.2 km
The Crown — bus stop.
Closest school
0.6 km
Seal Church of England Primary School. 8 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
48.3dB

Night-time· 23:00 – 07:00
40.8dB