Our Accreditations - Complete Range Of Double Glazed Windows, Doors & Conservatories
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OUR ACCREDITATIONS


In Carshalton, Woldingham and Dulwich Elwyns are the Authorised and Approved Local Installers of the following systems:

Timber Windows and doors. Read more
Evolution collection of Timber Alternative Windows and Doors. Read more


Our 59 year History is backed by:


Consumer Protection Association - Approved Craftsman
Consumer Protection Association - Approved Craftsman

We are an approved craftsman with the Consumer Protection Association providing additional peace of mind by insuring the terms of our own warranty, in the unlikely event that we should be unable to service it ourselves. It also monitors our performance and can act on behalf of the client in the event of dispute.

Trustmark
Trustmark

Government endorsed quality scheme to provide assurances to the client that we operate under all current regulations from business management through to installation competence. Your job is protected under the scheme.

FENSA
FENSA

Certified company to install windows and doors in compliance with current building regulations.

MTC/NVQ L2
MTC/NVQ L2

All our installers and surveyors are fully qualified with current building regulation compliance.

Check-A-Trade
Check-A-Trade

Valuable, unbiased feedback on any member. Visit www.checkatrade.com/elwyns

WHICH Trusted Traders
WHICH? Trusted Trader

Reputable, Trustworthy Which? Endorsed Traders who have successfully passed an assessment process. Visit Elwyn's Windows Ltd - Double glazing in Carshalton, Surrey

South London Business Awards 2019
South London Business Awards 2019

Finalists in four categories including Best Business and Best Customer Services.

CEO Monthly award 2017
CEO Monthly award 2017

Awarded to our Managing Director for ‘CEO of the year 2017 for Most trusted window and door specialist’ Nationwide.

Sutton Business Excellence Award 2014/2015
Sutton Business Excellence Award 2014/2015

WINNER of the 2015 best SME (small/medium enterprise) category at the London Borough of Sutton’s Business Excellence Awards. Voted runner up with a highly commendable recommendation for best business in the London Borough of Sutton category 2014.

G12 & G13Awards
G12 & G13Awards

National Glass and Glazing awards finalists for Installation Company of the year 2012 and 2013

FMB - Federation of Master Builders
FMB - Federation of Master Builders

Long term member of the Federation of Master Builders. Ensuring professional building practise at all times.

CVTA - Carshalton Village Traders Association
CVTA - Carshalton Village Traders Association

Carshalton Village Traders Association. Set up by MD Chris Blanks, to support and promote local trades and businesses.

Community Award - London Borough of Sutton
Community Award - London Borough of Sutton

Awarded to our Managing Director in 2014, the London Borough of Sutton recognised the company’s work for business in the community for increasing employment and awareness of the borough through business initiatives.