# Avanti Windows Ltd

Avanti Windows Ltd is a tradesperson in Grantham. Rated 5.0/5 from 3 public reviews across 1 review source. This is the MyTrustedTraders public-evidence profile — independent reviews, credentials and registry data from named public sources, with no ads and no paid placement.

Trust score: 51/100

Independent sources agree they've been operating since at least 1988 — that's 38 years, confirmed across 3 separate sources.

## About
In Grantham, Lincolnshire.

## Public review evidence (by source)
| Source | Average rating | Reviews |
| --- | --- | --- |
| Checkatrade | 5.0/5 | 3 |

_Per-source review counts may overlap — they need not sum to the 3 cross-checked total above._

Most recent review: 3 years ago.

## In customers' own words
_Verbatim quotes from this trader's public reviews, each attributed to its source:_
> "Fantastic Job done by Avanti from start to finish. From initial sale to the finished product Avanti were fantastic. Richard who came out originally was very conscientious and covered every detail. The fitting team were fantastic and seemed to be very Knowledgeable. They are a Credit to the company. The office staff were a pleasure to deal with and whenever we had a query they answered our questions and always made us feel at ease. I am so so happy with the end result and I will be recommending Avanti to my friends and family."
> — Anonymous (5.0, via Checkatrade)

> "3 and a bit days and what a transformation. Avanti have taken our tired looking ex council house and made it a home to be proud of again. From the very first enquiry to completion we have been so impressed with Avanti. The quote was really competitive, and the professionalism from each and every person involved was outstanding. Would recommend in a heartbeat and will definitely use them again."
> — Anonymous (5.0, via Checkatrade)

> "Excellent product quality and professional fitting. Highly recommend!"
> — Anonymous (5.0, via Checkatrade)

## See their work
_The trader's own portfolio — galleries and visual-work profiles they publish (real work to view, not a self-claim):_
- [Photo gallery](https://avantiwindows.co.uk/gallery/)
- [Facebook](https://www.facebook.com/avantiwindows)

## Independent verification
_What MyTrustedTraders independently checked for this business (verified items only):_
- Review volume: MTT is showing 3 public reviews on this profile. (via MyTrustedTraders public listing)
- Public listing spread: MTT is showing 1 public listing for this trader. (via MyTrustedTraders public listing)
- Business identity: MTT is showing public business identity data for company number 02214699 with operating status active. (via MyTrustedTraders public listing)
- Contact phone: MTT is showing a public phone contact on this profile. (via MyTrustedTraders public listing)
- Website: MTT is showing a public website for this trader. (via MyTrustedTraders public listing)
- Accreditations shown: MTT is showing 1 credential or accreditation on this profile. (via Public credential evidence)

Full verification checklist: https://mytrustedtraders.com/traders/avanti-windows-ltd/checks

## Credentials & sources
- Credentials shown: 1
  - FENSA: the competent-person scheme for replacement windows and doors, self-certifying they meet building regulations
- Companies House status: active
- Website online since 2004 (verified via public domain registry)
- Evidence from: Checkatrade
- Public evidence last checked May 2026

## What this business says about itself
_Self-declared on the trader's own website, not independently verified:_
- Areas served: Grantham
- Good to know: Family-run · Fixed pricing

## Contact
- Phone: 01476579058
- Website: https://avantiwindows.co.uk

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Source: MyTrustedTraders — https://mytrustedtraders.com/traders/avanti-windows-ltd
Real public evidence only: every figure traces to a named source and is cross-checked. If a source does not carry a field, it is not shown.