Brook House, Flat 3, Hammingden Lane, Ardingly, Haywards Heath, RH17 6SR
About Brook House
Brook House is a semi-detached house in Ardingly, Haywards Heath, Haywards Heath (RH17 6SR). It has a recorded floor area of 163 m² (around 1755 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (December 2019) shows a G (score 9), near the bottom of the EPC scale. Earlier certificates rated it D (May 2011); the latest reading is 3 bands lower. Between certificates, lighting went from Very Poor to Average; while wall efficiency dropped from Good to Poor and roof efficiency dropped from Good to Very Poor. The recommended improvements would push it to F (score 33). Main heating runs on electricity. At 163 m² this is the 11th smallest of 15 units on EPC record in Brook House, where floor areas span 78–299 m². The building's EPC ratings span G to D, with this unit at the bottom. On EPC score it ranks last in the building (9 versus a best of 67).
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 1995–2021, sale prices on this property compounded at 9.4% per year. On a £-per-square-foot basis, the last sale (£449/sq ft) was about 101.3% above the typical sold price in the postcode. Sold November 2021 for £787,500. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at Brook House
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
Energy performance
Brook House sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system changed
Heating controls upgraded for better temperature management
More low energy lighting installed
Planning history
Brook House has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 1 thing worth checking at Brook House
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
Price for Brook House has grown more than fourfold since the 1995 starting point.
£791,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.4% per year over 26 years.
£787,500
Growth on file: 9.4% per year over 26 years.
Sales timeline
9 November 2021Most recent
£787,500
+193.8%over 18 years29 September 2003
£268,000
+257.3%over 7 years5 October 1995
£75,000
Median price across the last 5 sales in RH17 6SR: £640,000 (2024–2021).
Nearby sales in RH17 6SR
Brook House, Flat 5, Hammingden Lane, Ardingly, Haywards Heath, RH17 6SR
Sold Jun 2024
£525,000Brook House, East Wing, Hammingden Lane, Ardingly, Haywards Heath, RH17 6SR
Sold Apr 2024
£640,000Brook House, Flat 1, Hammingden Lane, Ardingly, Haywards Heath, RH17 6SR
Sold Dec 2023
£520,000Brook House, Flat 2 North, Hammingden Lane, Ardingly, Haywards Heath, RH17 6SR
Sold Nov 2023
£1,270,000Brook House, South End, Hammingden Lane, Ardingly, Haywards Heath, RH17 6SR
Sold Jun 2021
£890,000
Everything we know about Brook House, 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 Hammingden Lane homes
EPC Rating for Brook House lags the street by a wide margin.
Price per m²
£4,831
Street avg £3,730
Floor Area
163 m²
Street avg 130 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
18.0 t/year
Street avg 8.6 t/year
Similar properties nearby
Brook House, Garden Flat, Hammingden Lane, Ardingly
RH17 6SR
Brook House, Flat 2 North, Hammingden Lane, Ardingly
RH17 6SR
Brook House, Flat 1, Hammingden Lane, Ardingly
RH17 6SR
Brook House, Flat 2 West, Hammingden Lane, Ardingly
RH17 6SR
Brook House, Flat 4, Hammingden Lane, Ardingly
RH17 6SR
Balcombe House, Garden Flat, Haywards Heath Road, Balcombe
RH17 6PB
Brook House, Flat 5, Hammingden Lane, Ardingly
RH17 6SR
Brook House, Flat 2 South, Hammingden Lane, Ardingly
RH17 6SR
The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.6 km
Lower Lodge — bus stop.
Closest school
1.4 km
St Peter's CofE Primary School. 2 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
43.4dB

Night-time· 23:00 – 07:00
36.5dB