Redwell House, Redwell Lane, Ightham, Sevenoaks, TN15 9EE
About Redwell House
Redwell House is a detached house in Ightham, Sevenoaks, Sevenoaks (TN15 9EE). It has a recorded floor area of 197 m² (around 2120 sq ft), construction records dating it to before 1900 and council tax band H. The latest certificate (March 2023) shows an E (score 52), well below the UK norm with real room to improve. When first surveyed in August 2021 the rating was F, the property has climbed 1 band since. Between certificates, roof efficiency went from Good to Very Good, window efficiency went from Very Poor to Poor and hot-water efficiency went from Average to Good. The recommended improvements would lift it to C (score 78), a 2-band jump.
12 planning records sit against the property, 7 approved, 0 refused, 1 pending. Past consents include an extension, an annexe and partial demolition, meaningful when judging how the property has evolved. An active application for tree works is awaiting a decision. At 197 m² the property is well over the postcode median (121 m² across 5 EPCs), placing it in the larger end of the local stock. Most recent transfer was September 2025 at £1,400,000 — fresh data. Across 1999–2025, sale prices on this property compounded at 4.5% per year. On a £-per-square-foot basis, the last sale (£660/sq ft) was about 56.3% above the typical sold price in the postcode.
Know exactly what you're buying at Redwell House
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
Redwell House'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
Hot water efficiency improved
Single glazing replaced with double or better glazing
Roof insulation improved
Planning history
An application for tree works is currently awaiting a decision.
- Mar 2026Tree WorksTreesIn report
Sweet chestnut tree T1 - remove to ground level due to concerns over subsidence. Yew tree T2 - remove to ground level. Concerns over subsidence
- Agent
- Tree Services Ltd
- Documents
- 2 docs on file
- Reference
- 26/00428/TNCA
- Dec 2025Tree WorksTreesIn report
1 x Sweet Chestnut, 3 x Oak, Group of Thuja and Yew, 1 x dead Ash and 1 x small leaning Holly (applicants ref. T1, T3, T7, G1 and G2) - Remove. 1 x Sweet Chestnut (applicants ref. T2) - Reduce ?historic limb?. 1 x Sweet Chestnut (applicants ref. T4) - Reduce western side of the tree as specified by 2.5m and lifting drooping branches. 1 x Sweet Chestnut (applicants ref. T5) - Remove southern and southwest limbs overhanging the buildings. 1 x Beech (applicants ref. T6) - Remove 3 low limbs overhanging the boundary line, Lift the canopy by reducing the lower drooping branches.
- Documents
- 3 docs on file
- Reference
- 25/01880/TNCA
What's in Redwell House, Redwell Lane, Ightham, Sevenoaks, TN15 9EE's planning history?
10 more on this property, plus refusals, disputes and full decisions nearby, in the report.
Sales history & valuation
Sale price has grown by over 3x since 1999.
£1,288,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.5% per year over 26 years.
£1,400,000
Growth on file: 4.5% per year over 26 years.
Sales timeline
4 September 2025Most recent
£1,400,000
+211.1%over 25 years26 October 1999
£450,000
Median price across the last 5 sales in TN15 9EE: £900,000 (2023–2017).
Nearby sales in TN15 9EE
Whybournes, Redwell Lane, Ightham, Sevenoaks, TN15 9EE
Sold Aug 2023
£1,270,000Redwell Croft, Redwell Lane, Ightham, Sevenoaks, TN15 9EE
Sold Mar 2022
£780,500Holly Tree Cottage, Redwell Lane, Ightham, Sevenoaks, TN15 9EE
Sold Jun 2021
£900,000Redwell, Redwell Lane, Ightham, Sevenoaks, TN15 9EE
Sold Oct 2018
£1,650,000Redwell Cottage, Redwell Lane, Ightham, Sevenoaks, TN15 9EE
Sold Aug 2017
£850,000
Everything we know about Redwell House, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

Versus other Redwell Lane homes
On years held, Redwell House runs well behind the street norm.
Price per m²
£7,107
Street avg £6,570
Floor Area
197 m²
Street avg 135 m²
Habitable Rooms
8 rooms
Street avg 7 rooms
CO₂ Emissions
8.7 t/year
Street avg 6.5 t/year
Similar properties nearby
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1 Spring Lane, Ightham
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10 Common Road, Ightham
TN15 9DY
1 Oldbury Hall Cottage, Oldbury Lane, Ightham
TN15 9DD
1 Oldbury Villas, Spring Lane, Ightham
TN15 9DH
1 Durlings Orchard, Ightham
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The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Ightham Park — bus stop.
Closest school
0.7 km
Ightham Primary School. 4 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
53.1dB

Night-time· 23:00 – 07:00
43.6dB