UFH GUIDE · FULHAM
Solid wood flooring over underfloor heating in Fulham
UFH and wood flooring is where most Fulham installs go wrong, because the rules differ from manufacturer to manufacturer and the consequences (cupping, gapping, delamination) only show up months later. Fulham basement extensions almost always include UFH, which means engineered or LVT — never solid. This page covers exactly how we fit solid wood flooring over UFH for Fulham homes — temperature ramps, underlay tog, and which products are actually rated for the heat output you've got.
What matters for solid wood flooring in Fulham
- Maximum surface temperature for any wood floor is 27°C — Fulham new-build manifolds often run hotter and need a thermostat cap.
- Underlay tog should sit under 0.5 — anything thicker insulates the heat back into the screed instead of the room.
- Screed must read below 1.8% CM moisture before any wood goes down. We bring our own meter to every Fulham survey.
- A 14-day temperature ramp (start cold, +5°C per day) protects the boards and the joints during commissioning.
- Solid oak moves with humidity, so subfloor prep, moisture testing and acclimatisation are critical — especially in older properties.
Typical Fulham use cases
Wet UFH on screed in Fulham
Default spec: 14–15mm engineered oak, glue-down, low-tog underlay or fully bonded.
Electric UFH retrofit
Lower output — most solid wood specs are still safe, but we check the wattage per m² before quoting.
Fulham kitchen extension
UFH in the new section, joist construction in the old — we plan an expansion break at the transition.
Nearby areas we cover
We fit solid wood flooring across Fulham and the surrounding area, including:
Fulham is part of our wider London coverage — see all services and areas there.
Fulham FAQs
- Can I fit solid wood over UFH in Fulham?
- We don't recommend it. Solid moves too much with temperature swing — engineered oak gives you the same look with proper stability.
- What's the right underlay for UFH in a Fulham flat?
- Something under 0.5 tog, ideally a fully bonded adhesive. We use Sika Bond or F. Ball depending on the screed.
- How long after the UFH is commissioned can you fit?
- Minimum 14 days after final screed temperature, with documented moisture readings under 1.8% CM.
- Do you cover Fulham for UFH installs?
- Yes — and the surrounding Parsons Green, Putney, Chelsea area. UFH installs are one of our most common Fulham jobs.
Summary
Solid wood over UFH in Fulham is fine — but only with the right spec, the right underlay, and the right ramp. We do all three in writing before fitting.
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