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Golden Ratio Sash Windows and Doors

Bespoke Carpenters London

Premium handcrafted timber furniture, bespoke cabinets, staircases, and custom joinery designed exactly for your space. Made from solid European Oak and Accoya® — never flat-pack, never MDF.

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Custom Joinery & Bespoke Timber Work

Proper Solid Timber — Bespoke Carpenters London

It's surprisingly hard to find a dependable joiner who turns up when they say they will and treats your property with the respect it deserves. We spend our days designing, measuring, and building proper solid timber pieces for London homes. We simply refuse to deal with flimsy flat-pack boards.

London houses throw up all sorts of weird angles and awkward spaces. One job might involve copying Victorian skirting boards millimetre for millimetre. The next week — building a timber garden office. Nothing really surprises us. We just look at your space and figure out how to build something that lasts.

Conservation Area Expertise: We do a lot of work in conservation areas. Matching old profiles to keep the council happy is second nature to us — from heritage windows and doors to period-accurate joinery details.

Jobs we tackle every week:

🛠️ Built-in wardrobes into awkward alcoves and sloped ceilings
🛠️ Media walls and TV surrounds with concealed cable management
🪵 Bespoke staircases — no more creaking underfoot
🪵 Solid oak worktops, shelving, and kitchen joinery
✅ Heritage window and door replication — period-accurate profiles
✅ Timber garden offices and outbuildings
✅ European Oak, Accoya®, Sapele — never cheap MDF
And much more!

Bespoke Sash Window Restoration

What Sets Our Carpenters Apart

You can hire any general builder, but a lot of them hate fiddly woodwork. We actually love joinery. We're still cutting joints the old-fashioned way — whether that's for a tricky sash window repair or a solid oak worktop.

✔️Solid Timber Only

We never swap solid timber for cheap MDF behind your back. Every single thing we fit is made from scratch for the exact space you have, using proper European Oak or Accoya®.

✔️Made to Your Exact Space

Because we don't buy anything off the shelf, we can fit our work exactly to your wonky walls. Odd angles, sloped ceilings, damp Victorian alcoves — nothing surprises us.

✔️Heritage Profile Matching

Copying Victorian skirting boards millimetre for millimetre, replicating period window profiles, matching original mouldings exactly — it's second nature to our team.

✔️No Call-Out Charges

We always come round for a look and give you a straight price completely free of charge. No estimates over the phone — we need to see your space to give you an accurate number.

Recent Media Walls

Photos prove it better than words. Have a look at the media walls we've recently finished. If you're putting a 65-inch telly on a wall, the framing behind it needs to be rock solid — that's exactly how we build them.

TV Surround with Cable Management: Built this unit last week. Chased all the messy cables into the wall and added proper deep shelves. Clean, minimal, and solid.
Oak Feature Wall: Massive oak feature wall. Client needed somewhere to hide the kids' toys at the bottom while showing off their books at the top. Bespoke shelving throughout.
Built-in Wardrobes: We build into the strangest alcoves so you can actually use the space properly. Every shelf, rail, and drawer specified for exactly what you're storing.
Staircases: Ripping out a squeaky old staircase and fitting a brand new solid timber one that doesn't creak when you walk on it — one of the most satisfying jobs we do.

Why Stick With Our Team?

We're joiners first. Every project — from a single shelf to a full kitchen fit-out — gets the same care and attention. We don't leave dust everywhere and we treat your home like our own.

Timbers We Use: European Oak, Accoya®, Sapele, and Redwood. All sustainably sourced, all chosen for their stability, beauty, and suitability for the specific application.
Conservation Area Work: We design and manufacture bespoke windows and doors that adhere to strict conservation area guidelines and Grade II Listed building regulations across all London boroughs.
Free Site Survey: We always visit before quoting. Precise measurements, a proper look at the space, and a straight fixed price — no nasty surprises when the invoice arrives.
Anything Timber: The honest answer to what we take on is pretty much anything made of timber. Give us a shout and we'll come round for a look.

Have a Project in Mind?

If you're thinking about a project and need bespoke carpenters in London who actually care about the finish, just give us a shout. We'll come round, have a look, and give you a straight price — completely free of charge.

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Bespoke carpentry and joinery across all London boroughs — from built-in wardrobes in Islington to oak staircases in Hackney and heritage joinery throughout Camden and beyond.

If you are looking for bespoke carpenters in London, look no further than Golden Ratio. Call today on 02034881695 or 07507391329 for a free site survey and no-obligation quote.

Recent Media Walls

Photos prove it better than words. Have a look at the media walls we've recently finished.

Built this TV surround last week. Chased all the messy cables into the wall and added proper deep shelves.

Massive oak feature wall. Client needed somewhere to hide the kids' toys at the bottom while showing off their books at the top.

Premium Timber — European Oak & Accoya®

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We use only premium, sustainably sourced timber for all our joinery work. Accoya® offers unmatched dimensional stability and a 50-year warranty against rot. European Oak provides natural beauty and durability that improves with age. We never substitute cheap alternatives without your knowledge.

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Carpentry FAQ

What types of custom timber projects do you handle?

We handle a wide range of custom timber projects — built-in furniture, media units, TV storage cabinets, bespoke staircases, sash windows, timber doors, and general structural carpentry. Every piece is made-to-measure for your exact space.

Do you offer free site surveys?

Yes. We provide no-obligation design consultations and free site surveys throughout Greater London. Our craftsmen will visit your property, take precise measurements, and discuss your design ideas before giving you a fixed price.

What timber do you use?

We source only premium, sustainable timbers — high-performance Accoya®, European Oak, Sapele, and Redwood. These ensure maximum structural stability, moisture resistance, and a beautiful finish. We never use cheap MDF or flat-pack boards.

Are you compliant with conservation area rules?

Absolutely. We specialise in heritage joinery and design bespoke windows, doors, and joinery that adhere to strict conservation area guidelines and Grade II Listed building regulations across all London boroughs.

How long does a bespoke joinery project take?

Timescales depend on the scope. A single built-in wardrobe typically takes 2–3 days on site. Larger projects like staircases or full room fit-outs are built off-site over 2–4 weeks then installed within a day or two.

Bespoke Carpentry Across London

🟢 Islington
🟢 Hackney
🟢 Camden Town
🟢 Finsbury Park
🟢 Muswell Hill
🟢 Highbury
🟢 Holloway
🟢 Hornsey
🟢 Tottenham
🟢 Wood Green
🟢 Southgate
🟢 Enfield Town
🟢 Barnet
🟢 City of London
🟢 Kentish Town
🟢 Fulham

Our Recent Carpentry Work

A selection of our recent bespoke carpentry and joinery projects across London. Every piece made from scratch, built to last.

Here at Golden Ratio Windows we have built an excellent reputation providing bespoke carpentry and joinery across London. From the initial design consultation to the final coat of paint, we are with you every step of the way.

SEE OUR SERVICES

With many years in the trade, we are happy to answer any queries and provide quotes for any work. Call us on 02034881695 or send a message through our contact page.

CONTACT US