Property data
Sale history
Date Paid price Annual growth After inflation
Oct 1999 £79,000 7.4% 5.3%
Feb 1999 £75,500 na na
Internal area
85 square metres (915 square feet) according to latest EPC inspection
Price per internal area

This property sold for £929 per square metre (£86 per square foot) in Oct 1999. Indexed forward to today's value, this is roughly £3,570 per square metre (£332 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Oct 1999 £79,000 £929 £303,413 £3,570
Feb 1999 £75,500 £888 £329,294 £3,874

Calculated using the latest EPC internal area of 85 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 £303,413. 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 85 m², this implies a valuation between £326,000 and £448,000. 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
na
Type
Semi-detached
Council tax band
C
Plot size
111 square metres (1,195 square feet) - map showing freehold boundary lines
Company ownership
Title number
SY601772
Tenure
Freehold
Title address
1 Observatory Walk, Redhill
Owner
SOUTHERN HOUSING (Company reference number: 8983)
Proprietor address: Fleet House, 59-61 Clerkenwell Road, London EC1M 5LA
Ownership record added to Land Registry's corporate ownership dataset 21 Dec 2022
Social housing indicators

This property has been flagged on the basis of:

  • EPC tenure recorded as social rental.
  • Land Registry records the owner as Southern Housing (a Regulator of Social Housing registered provider).
EPC Inspections
Summary:
16 March 2021 - energy performance certificate grade C
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
None of the above
Tenure:
Social rental
Property type:
Semi-Detached House , has 5 habitable rooms. Estimated year built 1967 to 1975
Area:
85 sqm (915 square foot) total internal area
Comments:
Walls: Cavity wall, filled cavity. Roof: Pitched, 270 mm loft insulation. Heating: Boiler and radiators, mains gas.

Summary:
30 March 2015 - energy performance certificate grade D
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
Rental
Tenure:
Social rental
Property type:
End-Terrace House , has 5 habitable rooms. Estimated year built 1967 to 1975
Area:
66 sqm (710 square foot) total internal area
Comments:
Walls: Cavity wall, as built, no insulation (assumed). Roof: Pitched, 200 mm loft insulation. Heating: Boiler and radiators, mains gas.
Frequently asked questions

1 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 £303,413.
  • Based on an internal area of 85 m² and recent prices in Redhill, this implies a lower and upper quartile range from £326,000 to £448,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 1 Observatory Walk last sold for £79,000 in October 1999.

HouseMetric shows 1 Observatory Walk as 85 m² (915 sq ft), based on the latest internal area data available for this property.

The latest EPC rating shown by HouseMetric is C, from an inspection dated 16 March 2021. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 1 Observatory Walk was in council tax band C. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

1 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.