HVAC design and heat load surveys in New Malden
HVAC design and heat load surveys for businesses in New Malden — surveyed, designed and priced in writing before any work starts.
- Design fees confirmed in writing first
- Equipment, positions and price set out in writing
- Work planned around your opening hours
How much does HVAC design cost in New Malden?
Our guide range in New Malden is £635–£3,150 per project before VAT; a typical job (design package for a 300–800 m² office) is £1,250–£3,150 plus VAT. Your exact price is fixed in writing before any work starts.
An HVAC design and heat load survey works out how much heating and cooling each space needs — from occupancy, equipment, lighting, glazing, orientation and the building fabric — and sets out the system type, unit sizes and positions, pipe and duct routes and controls in a written specification.
Working in New Malden
In New Malden, commercial premises range from street-level shops and restaurants to offices in converted and modern buildings, many with managing agents and landlord consents to work through.
We cover every New Malden postcode, including KT3. Nearby, we also cover Surbiton (about 3 km), Morden (about 4 km) and Wimbledon (about 4 km). Buildings across London range from converted period offices to modern units with deep ceiling voids, so we measure each site rather than relying on a standard package.
What you get
- Room-by-room heat gain and heat loss calculations
- Layout drawings for units, pipework and condensate
- Electrical load and supply requirements
- Noise data for planning or landlord approval
- Written specification for pricing
HVAC design prices in New Malden
Prices below include our regional adjustment for London (28% above the UK guide).
| Item | Guide price (ex VAT) | Inc VAT | Basis |
|---|---|---|---|
| Heat load survey for a single installation | Free | Free | free with a quote |
| Design package, small premises | £635–£1,250 | £762–£1,500 | per project |
| Design package, larger premises | £1,250–£3,150 | £1,500–£3,780 | per project |
| Noise assessment data pack for planning | £380–£1,150 | £456–£1,380 | per project |
Ex VAT. Design fees for larger projects are credited against installation if we carry it out.
How it works in New Malden
Brief
We agree the use, occupancy, hours and budget. For sites in New Malden we confirm access and parking beforehand.
Survey
We measure the space and record fabric, glazing and services.
Calculate and design
Loads are calculated and a system designed.
Specify
You receive drawings and a specification.
Things to check in New Malden
Noise
Outdoor unit noise is designed in from the start, not fixed afterwards.
Leased premises
If your New Malden premises are leased, the landlord's written consent is usually needed for external units, wall penetrations and roof access. We provide drawings and data sheets for the request.
Future use
Allow for growth in occupancy or IT load.
Working hours
Most New Malden businesses prefer noisy work outside trading hours. Early starts, evenings and weekends can be arranged and are priced up front.
Premises we work in around New Malden
- Offices: zoned cooling and heating for open-plan floors, meeting rooms and comms rooms.
- Healthcare and dental: clean, quiet cooling for surgeries, clinics, dental practices and care settings.
- Gyms and leisure: high-capacity cooling and fresh air for gym floors, studios and changing rooms.
- Salons and spas: comfortable salons and treatment rooms despite dryers, lamps and steam.
In England, systems holding 5 tonnes CO2 equivalent of refrigerant or more fall under GB F-gas rules, with regular leak checks and records; buildings with more than 12 kW of air conditioning in total also need a periodic energy inspection.
Your questions answered
How much does HVAC design cost in New Malden?
Guide prices in New Malden run from about £635 to £3,150 per project, plus VAT. A typical job (design package for a 300–800 m² office) costs £1,250–£3,150 plus VAT. We confirm the price in writing before work starts.
Do you also cover Surbiton, Morden and Wimbledon?
Yes. Alongside New Malden, we also cover Surbiton, Morden and Wimbledon. Each has its own page with local guide prices.
Which postcodes do you cover in New Malden?
All of them, including KT3. Give us your postcode when you enquire and we will confirm the visit details.
Why do I need a heat load calculation?
It sizes the system to what the room actually needs, avoiding oversized equipment that wastes money and undersized equipment that cannot cope.
Can you produce a specification for tender?
Yes. We produce drawings and a written specification so contractors price the same system.
Talk to us about your premises in New Malden
Heat loads for single installations are free with a quote; design fees are confirmed before work starts.