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20+

Years
with Yell

DMI Sash Windows

Professional window manufacturing

5.0 (5 Ratings) | Write a review
   Open today 09:00 - 19:00

Why Choose Us?

Quality Workmanship
Bespoke Service
Expert Advice
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Review summary

5
5

5 reviews

5
5
5
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Opening hours

Monday 09:00 - 19:00
Tuesday 09:00 - 19:00
Wednesday 09:00 - 19:00
Thursday 09:00 - 19:00
Friday 09:00 - 19:00
Saturday 09:00 - 19:00
Sunday Closed

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Business overview

Sash window specialists local tradesman competitively priced Personal one to one service

Professional window manufacturing and installation services in London at DMI Sash Windows, we provide reliable window manufacturing and installation at competitive rates. Established in 1988, our qualified team have built a strong reputation based on our excellent customer service, with much of our work from recommendations.

We install, repair or replace sash and casement windows at your home, with the belief that no job is too small. With window overhaul and draft proofing service available, we're confident that we can find cost effective solutions to best meet your requirements.

We provide the following window fitting services:

Sash and casement windows

Renewal, replacement and repairs

French doors supplied and fitted

Double glazed units available

Draft proofing services

Existing window overhaul service

Why choose DMI Sash Windows?

All work fully insured and guaranteed

Free estimates and competitive prices

Expert advice from our experienced team

Professional, unobtrusive services

All joinery made in our workshop

Photos

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Products & Services

Sash windows

Bespoke Sash windows

Draught Proof Sash Windows

Sash window repairs

Double Glazed Sash Windows

casement windows

Draught Proofing Timber Windows

Double Glazed Timber Windows

wooden windows

VICTORIAN WINDOWS

EDWARDIAN WINDOWS

Window installation

Window repairs

Door & window operating equipment

Replacement windows

Door fitting

Door repairs

External doors

Door & window fittings

Folding doors

Replacement doors

Windows

Bespoke Joinery

French Doors

Bookcases

Fitted Furniture

Period Front Doors

Period Windows

Victorian Window Shutters

Free Initial Consultation

double glazed windows

toughened glass

Credentials

Accreditations

  • FENSA Registered (37041)

Related searches:

Double glazing installers Window accessories Replacement windows Window films Car windows Wooden windows Double glazing repair Security doors Leaded lights & windows Internal doors Industrial door manufacturers Window repairs

Reviews

very pleased customer

5
We are very happy with all the carpentry work DMI did in our house. I have since recommended them to a few of my friends. DMI were able to think creatively about the job and came up with good suggestions on how we could improve the end result. Their service was friendly and accommodating, they took great pride in finishing our job to the highest standard. Thank you.
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New sash panels with draught proofing

5
We ordered 3 sets of new sashes to replace our old and rotten panels. Dave made and delivered the sashes within a week and installed in one day. The draught proofing is making a big difference as we were struggling before to keep the heat especially when cold and windy.
The price was very reasonable and in comparison to other sash specialists probably the best value for money.
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Saved our Victorian Window

5
Our Victorian coloured glass bathroom sash window had developed severe rot at the bottom, requiring specialist repair. DMI quoted quickly for removal of the window, offsite repair with new wood and resin, and reinstallation. The work was completed very professionally in two days, with no mess or disruption. Very happy with the high quality result, and would use again, and recommend.
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A fantastic experience- will use again!

5
An excellent and friendly service from start to finish. The quality of work is outstanding so we hired the company again for more work and also recommended to others. We recently had an issue with one of the windows which was addressed and fixed on the same day! We were able to have double glazed sash windows in our existing boxes which many companies said would not be possible however DMI saved us thousands ££. Will definitely use again.
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Sash Window Repairs

5
Professional and extremely nice guy, very helpful and easy to deal with. Really happy with work. looks really good, nohting to much trouble. Would not hesitate to recommend
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