Property data
Sale history
Date Paid price Annual growth After inflation
Oct 2023 £155,000 2.5% -0.3%
Jan 2006 £100,000 na na
Internal area
48 square metres (517 square feet) according to latest EPC inspection
Price per internal area

This property sold for £3,229 per square metre (£300 per square foot) in Oct 2023. Indexed forward to today's value, this is roughly £3,177 per square metre (£295 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Oct 2023 £155,000 £3,229 £152,516 £3,177
Jan 2006 £100,000 £2,083 £147,624 £3,076

Calculated using the latest EPC internal area of 48 m². Earlier sale dates may not have had the same measured area available.

Valuation
The most recent sale price indexed forward to today's value is £152,516. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Redhill are now selling for between £3,840 and £5,270 per square metre (£356 and £489 per square foot). Based on an internal area of 48 m², this implies a valuation between £184,000 and £253,000. Treat this as context only. For a valuation using hand-picked comparable sales, use the Advanced search tool — create a shortlist of similar condition homes, then export a valuation report.
Bedrooms
1
Type
Flat
Council tax band
B
Archived listings
History:
Archived sales listing for 18 Observatory Walk. Advertised on multiple portals. It was reduced on 17/04/2023. It last appeared Oct 2023.
Photos:

There are 7 archived estate agent listing photos for 18 Observatory Walk.

Photos for 18 Observatory Walk
View photos
Advertiser remarks:
  • 1 bedrooms
  • 1 bathrooms
EPC Inspections
Summary:
25 January 2022 - energy performance certificate grade C
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
Rental
Tenure:
Private rental
Property type:
1st floor flat in an apartment block with 1 storeys , has 2 habitable rooms. Estimated year built 1950 to 1966
Area:
48 sqm (517 square foot) total internal area
Comments:
Walls: Cavity wall, as built, no insulation (assumed). Roof: (another dwelling above). Heating: Boiler and radiators, mains gas.
Frequently asked questions

18 Observatory Walk is worth whatever price a willing buyer and seller agree upon. However, the following can provide useful context.

  • HouseMetric estimates the most recent sale price indexed forward to today's value is £152,516.
  • Based on an internal area of 48 m² and recent prices in Redhill, this implies a lower and upper quartile range from £184,000 to £253,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 18 Observatory Walk last sold for £155,000 in October 2023.

HouseMetric shows 18 Observatory Walk as 48 m² (517 sq ft), based on the latest internal area data available for this property. The bedroom count is shown as 1 bedroom. Bedroom numbers can come from a previous estate agency listing, an EPC record, or an estimate based on the size of the property.

The latest EPC rating shown by HouseMetric is C, from an inspection dated 25 January 2022. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 18 Observatory Walk was in council tax band B. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

18 Observatory Walk is in postcode RH1 1HL, in Redhill. You can also view HouseMetric's sold-price page for Observatory Walk, RH1 1HL or analysis of the Redhill property market.

HouseMetric combines HM Land Registry price paid data, Energy Performance Certificate data and Ordnance Survey/open data. The data were last updated 1 June 2026. Figures such as indexed values and local valuation ranges are calculated estimates for context, while official records can change as public datasets are updated.

For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.