Professional Mobile Signal Boosters in Gloucestershire & The Cotswolds
Stop dealing with dropped calls and 'No Service' messages inside your own building. Thick Cotswold stone walls and remote geographic locations often block cellular signals from reaching your phone, effectively creating indoor dead zones. We provide legal, high-performance mobile signal booster installations that capture outside signals and distribute them throughout your property.
Using industry-leading Cel-Fi technology, we can amplify 3G, 4G, and 5G signals across all major UK networks including EE, O2, Vodafone, and Three. Our process starts with a precision signal site survey to identify the strongest external donor signal. We then install discreet, high-gain internal antennas to ensure full-bar coverage in every room. Perfect for rural home offices, heritage hotels, and large steel-framed warehouses where reliable mobile communication is a necessity.
Defeating the "Cotswold Stone" Dead Zone
You have a great mobile phone contract, but the moment you step inside your house or office, your signal drops to "No Service." Why? Building materials are the enemy of Radio Frequency (RF). Historic Cotswold stone walls, modern foil-backed insulation, energy-efficient glass, and metal warehouse cladding act like a shield, completely blocking 4G and 5G signals from reaching your phone. While "WiFi Calling" is an okay temporary fix, it completely fails if your broadband drops out, and it often drops calls when you walk out the front door. We provide a permanent infrastructure solution. By installing a smart, legal mobile repeater system, we pull the strong signal from outside and broadcast it at full strength inside every room of your property.Ripping open walls to run brand new cables should always be a last resort. Using advanced toning wands, OTDR testers, and network diagnostic tools, we can trace "dead" lines through ceilings and underfloor voids, identify exactly where a cable is broken, and re-terminate sloppy connections to save your existing infrastructure.
Enterprise-Grade Indoor Mobile Coverage
We install legal, network-safe smart repeater ecosystems to guarantee seamless voice and data coverage indoors.
100% Ofcom-Compliant Hardware
It is vital to know that cheap, imported signal boosters from the internet are illegal to use in the UK and can incur massive Ofcom fines. We strictly install legal, network-approved smart repeaters (such as Cel-Fi products) that dynamically adjust their power to protect the operator's network, giving you total peace of mind.
High-Gain Donor Antennas
If you only have one bar of signal outside on your roof, we can still help. We install highly sensitive, directional "donor" antennas high up on the exterior of your building. We align these directly with the nearest EE, O2, Vodafone, or Three mast to capture the absolute best possible 4G/5G source signal before bringing it indoors.
Internal Coverage Distribution
Once the signal is inside, we use our structured data cabling expertise to distribute it. We hardwire the signal to discreet indoor broadcast antennas hidden in your ceilings or walls. This ensures strong, reliable mobile phone reception from the basement office right up to the top floor.
Multi-Network Commercial Solutions
In an office, hotel, or warehouse, your staff and guests will be on different networks. We design and install advanced multi-network systems capable of boosting O2, Vodafone, EE, and Three simultaneously, ensuring everyone in the building has full bars, regardless of their provider.
Residential & Smart Home Boosters
Being uncontactable in your own home is incredibly frustrating, especially in rural emergencies. We provide sympathetic, low-profile installations for large domestic properties, ensuring you can make standard voice calls and receive SMS authentication texts (like banking login codes) without relying on your home WiFi.
Professional RF Site Surveys
We don't guess. Before any installation, our engineers conduct a comprehensive Radio Frequency (RF) sweep of your property using professional spectrum analyzers. We measure the exact decibel strength of every network mast in your area to design a bespoke system guaranteed to eliminate your indoor dead zones.
Your Local Indoor Coverage Experts
Because we are a local Gloucestershire company, we understand the exact geographical and architectural challenges that block your signal in this region.
The Rural Cotswolds: Punching mobile signal through the thick, historic stone walls of listed properties, farmhouses, and remote estates in Bourton-on-the-Water, Stow-on-the-Wold, and Northleach.
Gloucester & Cheltenham: Outfitting new-build homes (plagued by foil insulation) and commercial office blocks with flawless, multi-network indoor coverage.
Industrial & Retail: Providing vital cellular reception inside metal-clad warehouses and large retail spaces across Stroud, Cirencester, and the M5 Corridor.
Frequently Asked Questions About Signal Boosters
Are mobile signal boosters illegal in the UK?
A: Cheap, unbranded “wideband” repeaters bought online are illegal to use because they cause interference with the main mobile network. However, the smart repeater systems we install (like Cel-Fi) are 100% legal and fully Ofcom-compliant. They are specifically approved by the UK networks because they intelligently manage their power output and do not cause interference.
Why shouldn't I just use WiFi Calling?
A: WiFi Calling is a great feature, but it has flaws. First, if your rural broadband drops out or your power goes down, your phones become useless. Second, important SMS messages (like Two-Factor Authentication codes for your bank) often fail to deliver over WiFi. Finally, WiFi calling frequently drops the line the moment you step outside and your phone tries to switch back to the mobile network. A true signal booster solves all of this.
Will this boost my 4G and 5G data speeds as well as voice calls?
A: Yes. Our systems don’t just enable clear voice calls; they also amplify the cellular data signal. This means if your home broadband goes down, you can comfortably use your phone’s 4G or 5G connection to browse the internet, check emails, or tether your laptop at high speeds.
Industry Leading Hardware & Testing Standards












Areas We Cover Across Gloucestershire & The Cotswolds
Positioned in the heart of Gloucestershire, Cotswold Fibre Tech is your trusted, boots-on-the-ground partner for commercial and residential networks. We don’t just cover the map; we understand the unique infrastructure challenges of our region.
From outfitting modern business parks with certified Cat6a data cabling to beaming ultra-fast Starlink internet to remote farms and navigating the thick stone walls of heritage Cotswold properties with seamless mesh WiFi. Because we are a truly local team, we guarantee the rapid, face-to-face support and fast emergency call-outs that national contractors simply can’t match.
Gloucester, Stonehouse & The M5 Corridor
As a proud Gloucestershire-based business, we provide rapid-response connectivity solutions up and down the M5 corridor. From emergency fibre optic splicing to full Cat6a network fit-outs, we are the trusted infrastructure partners for modern businesses.
Our engineers are frequently on-site carrying out structured data cabling and server cabinet tidying for corporate offices at Gloucester Business Park and Waterwells Business Park. We also specialise in high-density warehouse WiFi installations and IP CCTV systems for industrial units across Innsworth Technology Park, Stonehouse GL10, and Tewkesbury GL20. Whether you are relocating a single office in Gloucester or need a ruggedized fibre backbone for a manufacturing plant, we ensure your network is fast, certified, and fault-free.
Key Local Areas We Serve:
Central & Greater Gloucester: Kingsholm, Wotton, Elmbridge, Longlevens, The Island, High Orchard, Linden, Barton, Tredworth, Matson, Robinswood, Coney Hill, Saintbridge, Abbeymead, Abbeydale, Tuffley, Lower Tuffley, and Podsmead.
Surrounding Villages & Business Hubs: Brockworth, Hucclecote, Upton St Leonards, Coopers Hill, Brookthorpe, Watermead, Ashleworth, Eastington, and Stonehouse.
Cheltenham & Northern Surrounds
We deliver precision-engineered network solutions across Cheltenham, Winchcombe, and up towards Evesham WR11. We understand the unique connectivity challenges of the area, from modernizing the network infrastructure in bustling trade units to delivering flawless mesh WiFi through the thick walls of period properties.
For our commercial clients, we routinely design and install seamless office data cabling and robust network setups across major hubs like the Kingsditch Trading Estate, Bamfurlong Industrial Park, and the aviation-focused Staverton Technology Park. Whether you run a hospitality venue in central Cheltenham requiring a secure guest WiFi portal, or an engineering firm needing ultra-fast fibre connections, our local experts guarantee zero-downtime installations.
Key Local Areas We Serve:
Cheltenham & Suburbs: Cheltenham town centre, Prestbury, Charlton Kings, Leckhampton, and Bishop’s Cleeve.
Northern Hubs & Villages: Ashchurch, Tewkesbury, Winchcombe, Andoversford, Colesbourne, Shipton Oliffe, Withington, and surrounding northern Gloucestershire villages.
Stroud & The South Cotswolds
Navigating the deep valleys and historic stone buildings of the South Cotswolds requires specialist network knowledge. We eliminate WiFi dead zones and internet dropouts for homes, farms, and businesses across Stroud, Nailsworth, Tetbury GL8, Cirencester GL7, and Fairford GL7.
If you are struggling with poor rural broadband, our team provides exceptionally discreet Starlink installations and high-gain 4G/5G failover systems to guarantee rock-solid speeds. We are also experts in deploying high-speed wireless Point-to-Point links—perfect for beaming your primary internet connection seamlessly to a garden office, remote farm building, or holiday let without the need for expensive trenching.
Key Local Areas We Serve:
Stroud Valleys & Surrounds: Stroud, Rodborough, Dudbridge, Minchinhampton, Painswick, Bisley, Miserden, Chalford, and Sapperton.
Southern Hubs & Villages: Cirencester, Tetbury, Fairford, Lechlade-on-Thames, South Cerney, Avening, Daglingworth, Rendcomb, Dursley, Berkeley, Kingswood (Wotton-under-Edge), and Chipping Sodbury.
Heart of the Cotswolds & Oxfordshire Borders
We provide enterprise-grade internet and network solutions to the most remote and picturesque locations across the Cotswold District. We proudly serve rural estates, boutique hotels, and remote workers throughout Bourton-on-the-Water, Stow-on-the-Wold GL54, Moreton-in-Marsh GL56, Northleach, and Chipping Campden. Our reach also extends across the border into Oxfordshire, fully supporting clients in Burford OX18 and Witney.
Thick Cotswold stone and long distances from the exchange are no longer a barrier to ultra-fast internet. We specialize in professional Starlink satellite mounting, comprehensive smart-home WiFi mesh networks, and reliable data cabling for hospitality venues. We ensure your guests, staff, and family stay flawlessly connected, no matter how remote your location.
Key Local Areas We Serve:
Heart of the Cotswolds: Chipping Campden, Stow-on-the-Wold, Bourton-on-the-Water, Moreton-in-Marsh, Northleach, Naunton, Bibury, Upper Slaughter, Lower Slaughter, Chedworth, Blockley, Snowshill, Guiting Power, Temple Guiting, Stanton, Stanway, Broadway, Aldsworth, Windrush, and Mickleton.
Oxfordshire & Eastern Borders: Burford, Witney, Kingham, Churchill, Chadlington, Charlbury, Bampton, Woodstock, Chipping Norton, Ilmington, and Shipston-on-Stour.
Forest of Dean, Severn Vale & Wye Valley
Extending west of the River Severn, we deliver high-performance data cabling and rural internet solutions to the towns and remote woodland properties of the Forest of Dean and the Wye Valley. Whether you are running a rural glamping site needing wide-area WiFi coverage, or an industrial unit in the Severn Vale requiring certified fibre splicing, we have you covered.
Our engineers are highly experienced in overcoming the topological and geographical hurdles of this region, utilizing Starlink, Point-to-Point bridging, and enterprise-grade 4G/5G antennas to bring city-level connectivity to beautiful rural borders.
Key Local Areas We Serve:
Forest of Dean & Wye Valley: Lydney, Lydbrook, Drybrook, Littledean, Newnham, Oxenhall, Newtown, Coleford, Cinderford, Mitcheldean, Ruardean, St Briavels, Tidenham, and across the border to Ross-on-Wye.
Five-Star Feedback. Zero Dropouts.
Posted on GoogleMassimoTrustindex verifies that the original source of the review is Google. Andy did a superb job installing security devices and preparing the house for fibre installation. Great dependable and knowledgable guy. Would highly recommend.Posted on GoogleJames RTrustindex verifies that the original source of the review is Google. Andy from Cotswold Fibre Tech is an absolute gem: friendly, professional and highly competent. He squeezed in my little domestic fibre job in-between (what I am sure was much more lucrative!) data centre work. He took the time to explain everything he was doing and finished the job under the price he'd quoted. I cannot recommend him strongly enough. Thanks!
Owner's reply
Thank you for the glowing review! It was a pleasure fitting in your domestic fibre job. Whether it's a home network setup or commercial data centre work, Cotswold Fibre Tech always strives to deliver highly competent fibre optic solutions. It's fantastic to hear you were happy with the communication, and your high recommendation is truly appreciated!Posted on GoogleShaun CTrustindex verifies that the original source of the review is Google. Great service by Andy. Turned up when he said he would and has done an excellent install of the Starlink dish on our building. I have no hesitation in recommending him and will definitely use him again when required. Thanks again Andy.Posted on GoogleFiona PTrustindex verifies that the original source of the review is Google. Excellent professional service
Owner's reply
Thankyou! I'm glad to could provide a professional and efficient Wi-Fi installation for you. If you ever need more network troubleshooting or connectivity upgrades from Cotswold Fibre Tech, we're always here to help.Posted on GoogleKateTrustindex verifies that the original source of the review is Google. Andy did an extremely neat job of fitting our Starlink receiver. He was knowledgeable and thorough, and made sure all was working well. Highly recommend Cotswold Fibre Tech.
Owner's reply
Thank you for the 5-star review! It was great fitting your Starlink satellite. Delivering professional, neat satellite broadband installations for our Cotswold Fibre Tech customers is always my goal. Enjoy your seamless new connection!Posted on GoogleBecky PTrustindex verifies that the original source of the review is Google. Andy did a brilliant job and went above and beyond to help get to the bottom of the problem. Would whole heartedly recommend to others to help with tricky wifi problems. Thank you
Owner's reply
Thank you so much for the wonderful feedback! Diagnosing and resolving complex Wi-Fi problems is exactly what Cotswold Fibre Tech is here for. I'm delighted I could go above and beyond to get your network running flawlessly. We take pride in providing top-tier Wi-Fi extensions, internet repair, and seamless wireless coverage for our clients.Posted on GoogleJon NTrustindex verifies that the original source of the review is Google. Andy installed a PTP system for us from the house to a garden office. He did an absolutely meticulous job, explained everything very clearly, and really went the extra mile to find ingenious solutions for making the equipment as unobtrusive as possible. Highly recommended.
Owner's reply
Thank you so much for the glowing review Jon! I’m thrilled to hear you’re happy with the PTP system. I always strive to make sure the tech works perfectly without an 'industrial' look, so I’m glad the solutions we found for the garden office hit the mark. Enjoy the new connection.Posted on GoogleStevenTrustindex verifies that the original source of the review is Google. Andy was brilliant. Can’t fault him, his attitude or the quality of his work. He was helpful, incredibly flexible and very reasonable. Would highly recommend his services.
Owner's reply
Hi Steven, thank you so much for the 5-star review! It was a pleasure helping you get your Starlink set up and optimizing your existing WiFi. I'm glad I could provide the flexibility you needed. Enjoy the new speeds!Posted on GoogleTom HTrustindex verifies that the original source of the review is Google. Installed ethernet ports and wifi boosters across a three floor house. Wiring is super tidy and unnoticable, fantastic speeds across the entire house now! Very happy with the work done.
Owner's reply
Thanks for the awesome review, Tom! I'm really glad we could get those speeds up to scratch across all three floors for you. We take a lot of pride in keeping the wiring as discreet as possible, so it's great to hear you're happy with the finish. Enjoy the seamless Wi-Fi!Verified by TrustindexTrustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more
When you reach out to Cotswold Fibre Tech, you speak straight to a skilled network engineer, ensuring your project is understood from day one.
Whether you are planning a complete network upgrade or need an emergency fibre repair, we are here to help. Call or email us today to discuss your infrastructure or get your business back online fast.
