We design, plan and build loft conversions across Twickenham and the wider Richmond upon Thames borough — one team, one fixed price, one project manager from sketch to handover.
Typical scope 22–45m² added
Cost guide £60k–£140k typical
Build time 8–14 weeks
Consult Free 1–2 hour visit
Local advantage
Why Twickenham homeowners choose DPS for loft conversions.
01 · LOCAL KNOWLEDGE
We know the Richmond upon Thames planning quirks.
Conservation areas, Article 4 directions, party-wall hotspots — every Richmond upon Thames street has its own permission map.
We have submitted dozens of approved schemes across Twickenham and the surrounding postcodes.
02 · ONE TEAM
Architects, builders, project managers — all in-house.
No subcontractor juggling. From the first sketch through structural engineering to final snagging, your project moves
through people who all sit in the same office and answer to the same project manager.
03 · TRANSPARENT PRICING
£60k–£140k typical — itemised and fixed.
You pay in stages, only after each stage is signed off. Variations only happen when scope genuinely changes — and
they go through written authorisation, never a verbal "while we are at it".
Recent local builds
Loft conversions we have completed near Twickenham.
Loft conversions in Twickenham — frequent questions.
Do you do loft conversions in Twickenham?
Yes — Twickenham (TW1) is well within our Richmond upon Thames working area. We typically deliver several loft conversions projects across this borough each year.
How long does a loft conversions project take in Twickenham?
End-to-end (consultation → handover) usually 8–14 weeks. Build phase alone is shorter — most loft conversions sites complete in 8–18 weeks depending on scope and finishes.
What does loft conversions cost in Twickenham?
Typical range: £60k–£140k typical. Our online calculator gives you a tighter figure based on your house type and ambitions; the fixed quote follows a free site visit.
Will I need planning permission in Twickenham?
It depends on the property. Many loft conversions fall under permitted development, especially in Richmond upon Thames. Where planning is needed (conservation areas, listed properties, larger schemes), we handle the application end-to-end.
Will my loft conversion need planning permission?
Many lofts fall under permitted development if you stay within volume limits. Conservation areas always need full planning. We handle either route.
How tall must my loft be to convert?
You need at least 2.2m of head height in the existing loft. We measure on the first visit and confirm what conversion fits.
Will the build be disruptive?
Most of the work happens upstairs, with rooflight access for materials. You stay in your home throughout.