Brook House, Groom Cottage, Hammingden Lane, Ardingly, Haywards Heath, RH17 6SR
About Brook House
Brook House is a two-bedroom detached house in Ardingly, Haywards Heath, Haywards Heath (RH17 6SR). It has a recorded floor area of 78 m² (around 840 sq ft), construction records dating it to before 1900 and council tax band D. The latest certificate (November 2016) shows an F (score 38), near the bottom of the EPC scale. When first surveyed in April 2012 the rating was G, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Good, hot-water efficiency went from Poor to Average and main heating went from Poor to Average; while wall efficiency dropped from Poor to Very Poor and lighting dropped from Very Good to Good. The recommended improvements would lift it to A (score 98), a 5-band jump. Main heating runs on bulk wood pellets.
Today's modelled estimate of £398,000 sits 60.5% above the 2013 sale of £248,000. On a £-per-square-foot basis, the last sale (£295/sq ft) was about 33.9% above the typical sold price in the postcode. At 78 m² it sits well below the postcode median (169 m² across 20 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 75% of similar EPCs). Last sold in February 2013, so it's been off the market for around 13 years. 3 planning records sit against the property, 0 approved, 0 refused.
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
What this property has
Inside
- Bedrooms2
- Bathrooms1
Energy performance
Brook House's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Upgraded to gas central heating
Heating controls upgraded for better temperature management
Hot water system upgraded
Loft insulation installed or upgraded to 250mm+
Low energy lighting percentage decreased
Hot water efficiency improved
Floor insulation added or improved
Planning history
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
- Apr 2025ExtensionFullIn report
Extension: Single storey · Rear of property
Erection of single storey rear extension
- Documents
- 18 docs on file
- Reference
- DM/25/0447
- Dec 2003Loft ConversionFullIn report
Loft conversion (including dormer window to rear)
- Reference
- 03/02344/FUL
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
£398,000
Modelled from EPC, postcode comparables.
£248,000
Recorded with HM Land Registry.
Sales timeline
8 February 2013Most recent
£248,000
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, Flat 3, Hammingden Lane, Ardingly, Haywards Heath, RH17 6SR
Sold Nov 2021
£787,500
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
Years Held for Brook House runs comfortably ahead of the street norm.
Price per m²
£3,179
Street avg £4,286
Floor Area
78 m²
Street avg 381 m²
Habitable Rooms
4 rooms
Street avg 8 rooms
CO₂ Emissions
1.1 t/year
Street avg 12.1 t/year
Similar properties nearby
1 Box Cottages, High Street, Balcombe
RH17 6QQ
1 Brickyard Cottages, Street Lane, Ardingly
RH17 6UA
1 Caffyns Cottages, High Street, Handcross
RH17 6BF
1 Bretts, Haywards Heath Road, Balcombe
RH17 6PG
1 Barnhall Cottages, Cuckfield Road, Staplefield
RH17 6ET
1 2 Carpenters Arms, Slaugham
RH17 6AQ
1 Carters Cottages, Selsfield Road, Ardingly
RH17 6TJ
1 College Road, Ardingly
RH17 6TU
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