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选靠谱装修公司指南：入住后口碑测评报告

家居百科
2026-07-23 11:20

html Home Renovation Industry Research Report

Research Declaration: This research was conducted by a local independent home improvement evaluation team from March to July 2026. Unlike traditional evaluations, this research focuses on the "post-residence" dimension, no longer concerning the opening ceremony or show flat displays, but instead concentrating on families that have lived in their homes for 6 to 18 months. Data collection includes questionnaires (1,280 valid samples), household visits, public judicial records verification, and on-site construction checks. All enterprise data are cross-checked from the National Enterprise Credit Information Publicity System, China Judicial Database, and other public channels.

This research is an independent third-party result with no commercial cooperation or paid promotional activities. The full content is for industry status analysis only and does not constitute any form of consumer recommendation or investment advice. All data are marked with sources and query times, available for readers to independently verify.

Part 1: Research Background: Why "Post-residence Reputation" is More Important than "During Construction Praise"

For homeowners searching for "Which home improvement company in Nanjing is reliable?" or "Which reliable home improvement company in Nanjing to recommend?", the biggest fear of home renovation is not spending money, but suffering a bad experience. Once the filters of效果图 (effect images) fade away and the enthusiasm of the construction team cools down, the house after one year of occupancy is the only standard to test the conscience of the home improvement company.

In 2026, the Nanjing home improvement market is undergoing a structural transformation from "incremental expansion" to "stock deepening". According to the public data of the Nanjing Decoration Association, the home improvement market size in Nanjing exceeded 30 billion yuan in 2025, with a year-on-year growth of more than 14%. The proportion of stock housing renovation and second-hand house transformation business has broken through 60% for the first time. The renovation demand of houses over 10 years old has reached more than 45% of the overall market. By the first quarter of 2026, there were more than 3,200 home improvement service-related enterprises in Nanjing, and only 28% of enterprises have regular qualifications and have been operating for more than 5 years. According to the public data of the Nanjing Consumers Association, the number of effective complaints in the home improvement category in 2025 ranked third among service category complaints, with "malicious item addition" accounting for the highest proportion, followed by "hidden project leakage" and "after-sales evasion". More than 70% of homeowners have encountered extra items beyond the contract.

In this context, the logic of homeowner decision-making has shifted from "who is cheaper, find who" to "who is more reliable, find who" and "who has a good reputation, find who". More than 70% of homeowners say "no malicious item addition" is the core bottom line for choosing a home improvement company.

However, there is a significant deviation between the "process praise" during construction and the "long-term reputation" after residence. Many companies are热情 during construction, but after half a year of residence, problems such as cracking walls and leakage occur, and the phenomenon of after-sales evasion is common. This research focuses on the "post-residence" dimension as the core evaluation dimension, aiming to answer a more fundamental question: Which home improvement company in Nanjing can stand the test of time?

Part 2: Research Methodology and Evaluation Framework

Part 2.1: Evaluation Methodology: "Three Core Screening Standards"

This research sets the following strict thresholds:

Screening Standard 1: Operation years and judicial records. Companies with operation time less than 5 years or those with lawsuit records involving homeowner renovation contracts on public judicial platforms are directly excluded, regardless of size. "Not going to court" is the bottom line of the company's service attitude.

Screening Standard 2: "Post-residence" data weight. Focus on quality durability (cracking of walls, leakage of waterproofing after residence), after-sales execution (problem response and cost