UFH GUIDE · DULWICH
Engineered oak flooring over underfloor heating in Dulwich
UFH and wood flooring is where most Dulwich installs go wrong, because the rules differ from manufacturer to manufacturer and the consequences (cupping, gapping, delamination) only show up months later. Dulwich's Edwardian family homes are usually full of original parquet — we restore it where we can and match new sections in oak. This page covers exactly how we fit engineered wood flooring over UFH for Dulwich homes — temperature ramps, underlay tog, and which products are actually rated for the heat output you've got.
What matters for engineered wood flooring in Dulwich
- Maximum surface temperature for any wood floor is 27°C — Dulwich 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 Dulwich survey.
- A 14-day temperature ramp (start cold, +5°C per day) protects the boards and the joints during commissioning.
- Engineered planks are dimensionally stable, so they suit UFH and wide-plank installs that solid wood can't reliably handle.
Typical Dulwich use cases
Wet UFH on screed in Dulwich
Default spec: 14–15mm engineered oak, glue-down, low-tog underlay or fully bonded.
Electric UFH retrofit
Lower output — most engineered oak specs are still safe, but we check the wattage per m² before quoting.
Dulwich 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 engineered wood flooring across Dulwich and the surrounding area, including:
Dulwich is part of our wider London coverage — see all services and areas there.
Dulwich FAQs
- Can I fit solid wood over UFH in Dulwich?
- 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 Dulwich 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 Dulwich for UFH installs?
- Yes — and the surrounding East Dulwich, Herne Hill, Forest Hill area. UFH installs are one of our most common Dulwich jobs.
Summary
Engineered oak over UFH in Dulwich 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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