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Get startedObservatory Cottage is a three-bedroom detached house in Crowborough (TN6 1BN). It has a recorded floor area of 149 m² (around 1604 sq ft), construction records dating it to 1900-1929 and council tax band G. The latest certificate (August 2020) shows an E (score 45), well below the UK norm with real room to improve. When first surveyed in March 2013 the rating was F, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Very Poor to Average and lighting went from Poor to Very Good; while window efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 82), a 3-band jump. Period features are noted in the property record.
Sale prices here have outpaced England HPI: 5.7% per year against 0% for the wider region. Today's modelled estimate of £781,000 is 15.7% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£421/sq ft) was about 77.9% above the typical sold price in the postcode. It lags the bulk of the postcode on energy efficiency (less efficient than 85% of similar EPCs). Most recent transfer: March 2021 at £675,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Observatory Cottage's carbon output runs well above what efficient homes in the postcode produce.
Observatory Cottage has more than tripled in price since its earliest registered sale in 1996.
£781,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.7% per year over 24 years.
£675,000
Growth on file: 5.7% per year over 24 years.
Observatory Cottage is notably below the street on epc rating.
Price per m²
£4,530
Street avg £3,361
Floor Area
149 m²
Street avg 193 m²
Habitable Rooms
6 rooms
Street avg 7 rooms
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Rowan House — bus stop.

Daytime· 07:00 – 23:00
50.3dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Wall insulation improved
Roof insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
12 March 2021Most recent
£675,000
+285.7%over 24 years19 December 1996
£175,000
Median price across the last 5 sales in TN6 1BN: £300,000 (2024–2020).
1 Beech Tree Cottages Church Road Crowborough
Sold Dec 2024
Observatory Church Road Crowborough
Sold Nov 2022
1 Isfield Cottages Church Road Crowborough
Sold Jul 2022
2 Beech Tree Cottages Church Road Crowborough
Sold May 2021
Croft Lodge Flat 2 Church Road Crowborough
Sold May 2020
CO₂ Emissions
9.8 t/year
Street avg 7.9 t/year
TN6 1BH
Closest school
0.7 km
St Marys Catholic Primary School. 6 schools nearby.
Night-time· 23:00 – 07:00
40.1dB
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