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Estimus
  • About us
  • Timber
    WindowsRozwiń
    • Casement Timber Windows
    • Sash Box Timber Windows
    • Timber Bay Windows
  • External
    Timber DoorsRozwiń
    • Timber Front Doors
    • Timber Side Doors
    • Timber French Doors
    • Timber Bi-Fold External Doors
    • Timber Sliding External Doors
    • Timber Garage Doors
  • Internal
    Timber Doors
  • Steel
    ProductsRozwiń
    • Hinged Doors & Screens
    • Bi-fold doors
    • Sliding doors
    • Casement windows
  • Aluminium
    ProductsRozwiń
    • Bi-Fold Doors
    • Sliding doors
    • Casement windows
  • FAQ
  • Contact
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Estimus
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Strength in Steel, Warmth in Timber, Precision in Aluminium

Estimus Ltd

Crafted to last. Designed for you.

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3k+

happy
customers

14

YEARS of
EXPERIENCE

25+

bespoke
products

18+

ACTIVE
PROJECTS

explore all our timber products

Timber Products

At Estimus Ltd, we specialise in made-to-measure timber windows and bespoke external and internal doors, crafted to enhance the architectural character, market value, and energy efficiency of your home. 
Whether you’re restoring a heritage property, renovating a townhouse, or designing a contemporary new-build, our tailored timber solutions bring warmth, elegance, and lasting quality to any space.

Steel Products

In recent years, steel doors and glazed screens have seen a surge in popularity among our clients, valued for their minimalist lines, architectural impact, and exceptional durability. In response to this growing demand, we have expanded our offering with a wide selection of bespoke, handcrafted steel solutions.

steel products catalogue
variety of aluminium products

Aluminium Products

Our made-to-measure aluminium doors and windows offer a smart, contemporary, or minimalist aesthetic, making them a popular choice for both residential and commercial projects. With slender frames, exceptional performance, and a wide range of colour finishes, aluminium has become the go-to material for modern architectural design.

OUR SERVICES

Consultations
& Services

At Estimus, we don’t just supply premium windows and doors — we offer expert guidance every step of the way. Whether you’re planning a new build, renovation, or simply replacing a few units, our team is here to ensure you make the right choice for your space, style, and budget.

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Essential design

Clean lines, smart functionality, and lasting performance — our windows and doors are crafted to suit every modern and traditional home.

stylish room
Unique and timeless style

Elegant designs that blend classic charm with modern sophistication — built to stand out and last for generations.

01

TIMBER WINDOWS

Crafted from high-quality wood, our timber windows offer natural beauty, durability, and exceptional insulation for any home.

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02

TIMBER DOORS

Elegant and durable, our timber doors combine timeless style with natural insulation and secure performance.

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03

STEEL PRODUCTS

Sleek, strong, and modern—our steel windows and doors offer minimalist design with exceptional durability and security.

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04

ALUMINIUM PRODUCTS

Lightweight, durable, and stylish—our aluminium windows and doors deliver modern aesthetics with low maintenance and high performance.

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Timber Windows

  • Sash box Timber windows
  • Casement Timber Windows
  • Timber Bay Windows

External Timber Doors

  • Timber Front Doors
  • Timber French Doors
  • Timber Side Doors
  • Timber Bi-Fold External Doors
  • Timber Sliding External Doors
  • Timber Garage Doors

Steel windows and doors

  • Hinged Doors & Screens
  • Bi-fold doors
  • Sliding doors
  • Casement windows

Aluminium windows and doors

  • Bi-Fold Doors
  • Sliding doors
  • Casement windows

ESTIMUS Ltd Unit 9, Anamax House Oxford Road, Gerrards Cross, SL9 7BB | Company Number: 10866976 | VAT registration Number: 278 6694 34

© 2025 Estimus made with ♡ marcinwolejko

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Facebook Instagram Telefon Adres e-mail
  • About us
  • Timber
    Windows
    • Casement Timber Windows
    • Sash Box Timber Windows
    • Timber Bay Windows
  • External
    Timber Doors
    • Timber Front Doors
    • Timber Side Doors
    • Timber French Doors
    • Timber Bi-Fold External Doors
    • Timber Sliding External Doors
    • Timber Garage Doors
  • Internal
    Timber Doors
  • Steel
    Products
    • Hinged Doors & Screens
    • Bi-fold doors
    • Sliding doors
    • Casement windows
  • Aluminium
    Products
    • Bi-Fold Doors
    • Sliding doors
    • Casement windows
  • FAQ
  • Contact