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Factory & showroom: Unit G, 1 Anthony Way, London N18 3QT · Mon–Fri 8am–5pm info@adawindows.com020 8803 8004

Made about 3.1 miles from N21

Casement windows in N21

We survey, make and fit casement windows throughout the N21 postcode, including Grange Park and Winchmore Hill. Everything is built about 3.1 miles from our workshop in N18, so the people who measure are the people who make and fit.

Including Grange Park and Winchmore Hill

White uPVC casement windows on a brick house
10 yearsinsurance-backed guarantee
Local factory & showroomUnit G, 1 Anthony Way, London N18 3QT
Call the local team020 8803 8004
Email usinfo@adawindows.com
FENSA & TrustMark10-year insurance-backed guarantee
Local advice

Casement windows for N21 homes

Where a conservation area expects slim traditional joinery, a flush casement with putty-style beads looks closer to the original than a standard storm casement.

Rear extensions and back additions on Victorian terraces often suit casements, and choosing a flush or storm style lets you balance a traditional look against budget. Many 1930s semis originally had leaded or stained-glass top lights, and we can incorporate decorative glass or Georgian bars into casements to keep that look.

These are houses where originality matters: mock-Tudor details, stained glass toplights and wide bays. We take care to match them rather than fit standard flat frames. The Hertford Loop line runs through, though most roads are quiet. N21 is about 3.1 miles from our factory.

Casement windows are hinged at the side or top and open outwards, making them the most common window style in British homes. We make them to measure in uPVC and aluminium, and they suit almost any property, from terraces and semis to flats and modern houses.

  • Side or top hung to suit each opening
  • Opens wide for ventilation and cleaning
  • Escape hinges available for upper floors

Questions from N21

Do I need planning permission for casement windows in N21?

Like-for-like casement replacement on a house is normally permitted development, and our FENSA registration handles Building Regulations compliance, though flats, listed buildings and Article 4 areas can need extra consent.

How soon can you fit casement windows in N21?

Lead times vary by product and workload — confirmed with your quote. Being about 3.1 miles from our factory makes surveys, fitting days and aftercare visits easy to arrange.

Are outward-opening casements secure?

Modern casements use multi-point locking, internally beaded glazing and secure hinges, so they are far harder to force than older windows. Lockable handles add another layer of security, and restrictors let you leave windows slightly open for ventilation while limiting how far they open.

Can I see samples before I decide?

Yes. Our showroom is at Unit G, 1 Anthony Way, London N18 3QT (Mon–Fri 8am–5pm), about 3.1 miles from N21. We can also bring samples to your home in N21 at the free survey.

Our work

Casement windows we make and fit

  • White uPVC casement windows on a brick house — Casement windows in N21
  • White uPVC casement window fitted in a red brick wall — Casement windows in N21
  • Top opening white uPVC windows — Casement windows in N21
  • White uPVC bay windows with leaded glass on a 1930s semi — Casement windows in N21
Spread the cost

New windows now.
Pay over 1–5 years.

Finance on orders from £1,000 over 1–5 years, or our standard terms of 50% / 25% / 25%.

See finance options

Ada Windows Limited is an introducer appointed representative of Ideal Sales Solutions Ltd T/A Ideal4Finance. Ideal Sales Solutions is a credit broker and not a lender (FRN 703401).

Free quote for casement windows in N21

Send your requirements and a few photos — our team will come back with a clear, no-obligation price.