13 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in London: Bone Dry Roofing, CR Score 62/100; 4.9★ from 281 Google reviews; open 24/7.
Most-reviewed: USA Insulation of Columbus, 336 Google reviews at 4.5★, the most of 13 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
13 London insulation contractors are ranked here by CR Score, from ten published factors. 1 is open 24/7, 4 open Saturdays and 1 open Sundays, based on posted hours. The median Google rating is 4.5★ across 13 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Bone Dry Roofing | 62 | 4.9★ (281) | Dublin, 21 mi away | 24/7 | Overall |
| 2 | USA Insulation of Columbus | 56 | 4.5★ (336) | Hilliard, 18 mi away | Evenings | Most reviews |
| 3 | Champion Solutions Columbus | 54 | 4.8★ (63) | Columbus, 24 mi away | Sat · Evenings | — |
| 4 | Ez Insulation Solution | 54 | 4.9★ (51) | Columbus, 24 mi away | Sat · Evenings | — |
| 5 | Quality insulation llc | 53 | 4.4★ (13) | Heath, 3 mi away | — | — |
| 6 | Ohio Spray Foam Insulation | 51 | 4.9★ (31) | Columbus, 24 mi away | — | — |
| 7 | Edwards/Mooney & Moses | 51 | 4.4★ (46) | Columbus, 23 mi away | — | — |
| 8 | Fox Foam | 50 | 5.0★ (13) | Grove City, 25 mi away | Sat · Evenings | — |
| 9 | Installed Building Products | 49 | 4.1★ (38) | Columbus, 24 mi away | — | — |
| 10 | Parkfield Gale Insulation | 48 | 4.0★ (17) | Columbus, 21 mi away | — | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and trade focus: 4.9★ from 281 Google reviews, listed on Google as “Insulation contractor”.
Based in Hilliard, 18 mi away
Ranked #2 because of its Google rating and review volume: 4.5★ from 336 Google reviews, the most in London.
Based in Columbus, 24 mi away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 63 Google reviews, listed on Google as “Insulation contractor”.
Based in Columbus, 24 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 51 Google reviews, listed on Google as “Insulation contractor”.
Based in Heath, 3 mi away
Ranked #5 because of its Google rating and trade focus: 4.4★ from 13 Google reviews, listed on Google as “Insulation contractor”.
Based in Columbus, 24 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 31 Google reviews, listed on Google as “Insulation contractor”.
Based in Columbus, 23 mi away
Ranked #7 because of its Google rating and trade focus: 4.4★ from 46 Google reviews, listed on Google as “Insulation contractor”.
Based in Grove City, 25 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Insulation contractor”.
Based in Columbus, 24 mi away
Ranked #9 because of its Google rating and trade focus: 4.1★ from 38 Google reviews, listed on Google as “Insulation contractor”.
Based in Columbus, 21 mi away
Ranked #10 because of its Google rating and trade focus: 4.0★ from 17 Google reviews, listed on Google as “Insulation contractor”.
Based in Columbus, 17 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based in Columbus, 23 mi away
Ranked #12 because of its Google rating and trade focus: 3.4★ from 11 Google reviews, listed on Google as “Insulation contractor”.
Based in Columbus, 17 mi away
Ranked #13 because of its Google rating and review volume: 3.7★ from 115 Google reviews.
15 more insulation contractors within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| 31-W Insulation | 19 mi | |
| Aljaber, LLC | 17 mi | |
| American Insulation | 1.0★ (1) | 20 mi |
| Foampak | 5.0★ (1) | 25 mi |
| Green Force | 20 mi | |
| Insulation Professionals of Ohio | 23 mi | |
| Lush Attic Clean Up Professionals | 25 mi | |
| Maverick Mechanical Insulation | 21 mi | |
| North Central Insulation | 24 mi | |
| Parkfield Insulation Services: | 19 mi | |
| Parkfleld Insulation Services Inc | 21 mi | |
| Quicker Attic Services Professionals | 25 mi | |
| Rocket Insulation | 5.0★ (1) | In London |
| SRI Columbus | 19 mi | |
| Westoff Services Energy Audits | 5.0★ (1) | 22 mi |
National price ranges in USD, not adjusted for London. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Attic insulation | $1,700 | $2,100 | $2,500 | Per attic: typical range of customer-reported jobs (about $1 to $3 per sq ft). US national range | October 2026 |
We scored 13 London insulation contractors on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In London data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |