D

Boiler Replacement Survey

SUR-2041 · Completed by Liam Carter on 18 August 2026

Generate Quotation
Customer
James Wilson

24 Richmond Avenue, Croydon

Engineer
LCLiam Carter
Recommendation
Worcester Bosch Greenstar 4000 30kW
Suitable

Property Information

Property Type
Semi-detached
Bedrooms
3
Bathrooms
2
Floors
2
Occupants
4

Existing Heating System

Manufacturer
Worcester
Model
Greenstar 28i Junior
Type
Combi
Boiler Age
14 years
Fuel Type
Mains gas
Current Location
Kitchen

Heating Requirements

Radiators
9
Hot Water Demand
Medium–High
Showers
2
Desired Location
Existing kitchen location
Smart Thermostat
Yes — requested

Measurements

Gas Pressure
21 mbar
Flow Rate
13.2 L/min
Flue Diameter
100 mm
Available Width
680 mm
Condensate Run
2.4 m

Engineer notes

“Existing boiler showing signs of heat exchanger deterioration. Customer would prefer replacement in existing kitchen location. Gas supply and condensate route are suitable; recommend magnetic filter and full system flush.”