#1
Clean My Space CT
“Lilian did great work today My wife and I were very happy how the house looked. We highly recommend her. She is awesome !” — Google review
Experts Reviews · 2026 Ratings
The Best Post Construction Cleaning in New Britain, CT
We graded 9 companies on seven things customers actually report: satisfaction, reliability, workmanship, value, momentum, track record and how owners handle complaints.
$265typical jobMedian of the bill customers reported in their Google review (Google asks reviewers for a price range; we use the middle of each range).
99%say the price was fairOf customers who rated the price, the share who chose “Great price” or “Reasonable” rather than “Overpriced”.
4.90★average ratingPlain average of every Google star rating we collected for these companies.
1.7%bad jobs (1–2★, 2 yrs)Share of 1–2★ reviews in the last 24 months — or the 20 newest reviews when the company had fewer than 20 in that time.
From 7,849 Google reviews of 40 top-rated post construction cleaning nationwide; 9 of them in New Britain, CT. Updated November 1, 2026.
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Pick the job — we re-rank companies by how customers rated that exact job.
Overall ratings
Experts Score 0–100Experts Score (0–100)Absolute quality first: recency-weighted star average (≈54%), share of 1–2★ reviews (≈24%), customers’ price verdicts (≈14%), owner replies to critical reviews (≈7%); minus up to 10 points each for complaints flagged in Google review highlights and for a real slide in recent ratings. Hover a company’s score on its page for the full breakdown. and a letter grade per factor (A = top 20% of post construction cleaning).
| # | Company | ScoreExperts Score (0–100)Absolute quality first: recency-weighted star average (≈54%), share of 1–2★ reviews (≈24%), customers’ price verdicts (≈14%), owner replies to critical reviews (≈7%); minus up to 10 points each for complaints flagged in Google review highlights and for a real slide in recent ratings. Hover a company’s score on its page for the full breakdown. | FactorsFactor grades, in orderSatisfaction (54%): Recency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.Reliability (24%): How rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.Craft & service (0%): Google review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.Value (14%): Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.Momentum (0%): Penalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.Replies to reviews (7%): How often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.One letter per factor score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = below 20. | ★Google star rating as shown on Google Maps. | Typical billMedian bill customers of this company reported in their reviews (needs 3+ priced reviews). |
|---|---|---|---|---|---|
| 1 |  Nanda's Cleaning ServicesNew Britain, CT | A 99How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 69%99+68.5Reliability 31%98+30.2Experts Score= 99Not enough data for value, replies to reviews; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AA––A– | 5.00 | — |
| 2 |  Full Cleaning LLCNew Britain, CT | A 98How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 59%98+57.5Reliability 26%98+25.6Value 15%100+15.2Craft & service penalty99−0.1Experts Score= 98Not enough data for replies to reviews; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAA– | 4.99 | $149 |
| 3 |  J & G Cleaning and MaintenanceNew Britain, CT | A 96How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 59%96+56.3Reliability 26%93+24.3Value 15%100+15.2Experts Score= 96Not enough data for replies to reviews; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAA– | 4.97 | — |
| 4 |  Jani-King | Commercial Cleaning & Janitorial Services in HartfordNew Britain, CT | A 95How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 64%92+58.4Reliability 28%99+28Replies to reviews 8%100+8.2Experts Score= 95Not enough data for value; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AA––AA | 4.90 | — |
| 5 |  Clean My Space CT of West HartfordNew Britain, CT | A 94How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 59%97+56.9Reliability 26%98+25.6Value 15%79+12Experts Score= 94Not enough data for replies to reviews; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AA–BA– | 4.97 | $183 |
| 6 |  BNF Construction LLCNew Britain, CT | A 93How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%95+51.8Reliability 24%93+22.5Value 14%100+14.1Replies to reviews 7%61+4.3Experts Score= 93Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AA–AAB | 4.96 | $13k |
| 7 |  Valentim Cleaning ServicesNew Britain, CT | A 87How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 59%88+51.7Reliability 26%78+20.3Value 15%100+15.2Craft & service penalty99−0.1Experts Score= 87Not enough data for replies to reviews; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | ABAAA– | 4.90 | — |
| 8 |  A1 Home ImprovementNew Britain, CT | A 86How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%90+49.1Reliability 24%85+20.6Value 14%100+14.1Replies to reviews 7%40+2.8Craft & service penalty97−0.3Experts Score= 86Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAC | 4.91 | $18k |
| 9 |  Merry Maids of PlainvilleNew Britain, CT | B 72How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%86+46.9Reliability 24%81+19.6Value 14%60+8.5Replies to reviews 7%24+1.7Craft & service penalty60−4Momentum penalty97−0.3Experts Score= 72Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AABBAD | 4.80 | $193 |
What jobs cost
What customers paid, from the price Google asks reviewers to report.
| Job | Low25th percentile: 1 in 4 customers paid less than this. | TypicalMedian of the bill customers reported in their Google review (Google asks reviewers for a price range; we use the middle of each range). | High75th percentile: 1 in 4 customers paid more than this. | FairOf customers who rated the price, the share who chose “Great price” or “Reasonable” rather than “Overpriced”. |
|---|---|---|---|---|
| Standard cleaning | $164 | $189 | $247 | 99% |
| Deep clean | $245 | $306 | $421 | 98% |
| General housekeeping | $164 | $209 | $285 | 99% |
| Moving-related cleaning | $221 | $277 | $340 | 98% |
| Power/pressure washing | $251 | $516 | $838 | 98% |
| Roof installation | $13k | $18k | $28k | 100% |
| Interior & exterior window cleaning | $183 | $250 | $373 | 100% |
| Office & workplace cleaning | $114 | $139 | $191 | 97% |
| HVAC duct & vent cleaning | $131 | $164 | $222 | 100% |
| Roof repair | $10k | $14k | $17k | 100% |
| Home maintenance & repairs | $164 | $250 | $705 | 100% |
| General construction | $365 | $614 | $1.1k | 100% |
Post Construction Cleaning in New Britain, CT at a glance
How the 9 post construction cleaning we rated in New Britain, CT compare, and what customers praise most.
Experts Score grades
A = score 80+, F = below 20.
- Grade A889%
- Grade B111%
- Grade C00%
- Grade D00%
- Grade F00%
Google ratings
Average stars per company.
- 4.90★ and up889%
- 4.80–4.89★111%
- 4.60–4.79★00%
- Below 4.60★00%
What customers praise
Share of Google review highlights.
- Quality1,24922%
- Professionalism1,28023%
- Responsiveness1,07619%
- Punctuality1,08419%
- Value92717%
Was the price fair?
All price verdicts left with reviews.
- Great price48135%
- Reasonable84161%
- Overpriced191%
- Not sure473%
Price verdicts by year
Share calling it great / reasonable / overpriced.
2025
2026
How we grade
Satisfaction (54%) — Recency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.
Reliability (24%) — How rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.
Craft & service (penalty, up to −10) — Google review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.
Value (14%) — Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.
Momentum (penalty, up to −10) — Penalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.
Replies to reviews (7%) — How often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.
The 10 best-rated post construction cleaning in New Britain, CT average 4.9★ on Google across 2,203 reviews. Clean My Space CT has the top rating (5.0★), and A1 Home Improvement has the most reviews (723). Updated October 28, 2026.
10 companies that meet our bar: rated 4.5★ or higher on Google, with a meaningful review history (2,203 reviews combined) and currently operating. Request a call back and the company will phone you directly.
#2
J & G Cleaning and Maintenance
“We had a great experience with J&G Cleaning and Maintenance! Giselle did an amazing job and was very thorough, professional, and attentive to detail. Everything looked fresh, clean, and well taken care of when she…” — Google review
#3
BNF Construction LLC
“Jon inspected my roof and found wind damage. He helped me file a claim with my insurance company. BNF Construction did an excellent job replacing my roof and putting in new sky light. Jon was very easy to schedule…” — Google review
#4
A1 Home Improvement
“My friend who’s knowledgeable and picky recommended them for power washing. The before and after was amazing! Very easy to deal with, completed job in a timely manner and left no mess. Excellent service and a…” — Google review
#5
Jani-King | Commercial Cleaning & Janitorial Services in Hartford
“We are a repeat customer with Jani King and we are so pleased with the results each time!! Perfect for offices and companies who need a refresh of their space. Communication was high, and booking had always been…” — Google review
#6
Clean My Space CT of West Hartford
“phenomenal job they are very hard-working they're quiet and detail orientated and extremely kind and friendly. Very happy with the work.” — Google review
#7
Full Cleaning LLC
“This is a great company! They helped my husband and me (we are both cancer patients) get our home spotlessly clean right before our family in Florida will be visiting. The cleaning person who worked on our home,…” — Google review
#8
Nanda's Cleaning Services
“Absolutely excellent cleaning service! They do an amazing job every time they clean my home. Everything is left spotless, fresh, and beautifully organized. They are reliable, professional, thorough, and truly take…” — Google review
#9
Valentim Cleaning Services
“Fantastic experience with a move out cleaning - very thorough, great communication and reasonably priced. Will 100% hire again for future needs” — Google review
#10
Merry Maids of Plainville
“Merry Maids has been wonderful. They made the pricing work with our budget, and it’s such an awesome feeling coming home to a clean house after a crazy day of work and kids activities! They are responsive, attentive,…” — Google review
How we pick post construction cleaning in New Britain
We scan Google Maps for post construction cleaning listings in and around New Britain, keep only open businesses whose main category matches the service, and require a Google rating of at least 4.5 from at least 20 reviews. Companies are ordered by a confidence-weighted score that balances rating and review volume. We do not accept payment for placement.
Frequently asked questions
Who is the highest-rated post construction cleaning in New Britain?
Clean My Space CT has the highest Google rating on our New Britain list: 5.0 out of 5 from 426 reviews (as of October 28, 2026).
Which post construction cleaning in New Britain has the most reviews?
A1 Home Improvement has the most Google reviews among the companies listed here: 723, with a 4.9★ average.
How are these post construction cleaning chosen?
Only open New Britain-area businesses whose Google category matches the service, rated at least 4.5★ from at least 20 Google reviews. They are ordered by a confidence-weighted score of rating and review volume. Placement is never paid.
Also in New Britain: Tire Shops