Source: Bath House Spa at New Park Manor
For £59, you get a spa day including up to an hour's treatment at Bath House Spa at New Park Manor, a country retreat rated by Marie Claire for having "everything you could possibly want in the most beautiful surroundings imaginable".
Mon-Fri until 30 Sep. Treatments: 10am-6pm; facilities: 7am-8pm
Source: Eden Beauty Studio
For £25, Eden Beauty Studio in South Woodham Ferrers is now offering a pamper package for one person including 70 minutes of treatment time.
10am-6pm Mon-Tue; 10am-8pm Wed-Fri; 9am-4pm Sat until 31 Aug
Source: Ashford International Hotel
A spa day including two treatments at the 4-star Ashford International Hotel is now less than half the usual price at £35.
9am-8pm Mon-Fri until 31 Aug
Source: The Athenaeum Spa
The Athenaeum is an AA 5-star hotel overlooking Green Park in central London. Travelzoo members can now get an exclusive package at the hotel's spa, including a massage and facial, for less than £50 per person.
8am-8pm Mon-Fri until 18 Oct
Source: The Peak Health Club & Spa
The Peak Health Club & Spa, on the ninth floor of the 5-star Jumeirah Carlton Tower hotel in Knightsbridge, has "glorious views" over London, according to Time Out. A spa day with a 60-minute massage and half-day access to the leisure facilities is now £69.
10am-8pm Mon-Thu until 28 Oct
Source: The Oxford Belfry Hotel
Save up to 58% on this spa day package at the Oxford Belfry Hotel near Thame. For £35, you'll get access to the facilities, two express treatments, a coffee and a Danish pastry.
9am-8:30pm Mon-Fri until 31 Aug
Source: Crystal Palace Spa
This offer for a combined Turkish hammam and Moroccan bath experience at Crystal Palace Spa in Marylebone saves you a massive £95 on the regular cost.
10:30am-8pm Mon-Sat; 11am-8pm until 31 Jul
Source: Amida Spa Hampton
Save 53% on a spa day for two at Amida Spa Hampton near Twickenham, and treat yourself and a friend to use of the facilities, a spa lunch and a glass of prosecco each, for £58.
9am-9pm Mon-Fri, 9am-8pm Sat-Sun until 31 Aug
Source: Amida Spa Beckenham
Amida Spa in Beckenham is "the perfect spot to relax with friends", says Closer magazine. For £58, you and a friend can now get a spa day including use of the facilities, lunch and a glass of prosecco each.
Source: The Hampshire Court Hotel
You can expect "leisure facilities that are unrivalled locally" at the 4-star Hampshire Court Hotel, says The AA Hotel Guide 2015. A spa day, including use of the facilities, two express ESPA treatments and refreshments on arrival, is now £35.
9am-5pm Mon; 9am-9pm Tue-Fri until 31 Aug
Source: Kallima Spa at Hilton London Syon Park
For £79, you can get a spa day including two treatments and champagne afternoon tea at Kallima Spa at the Hilton London Syon Park, where "you're guaranteed an unforgettable experience" (InStyle).
Source: Urban Spa
At £29, this offer for a massage and facial at Urban Spa in Bishop's Stortford saves you up to 59% on the regular cost.
9am-6pm Mon, 9am-8pm Tue-Thu, 9am-6pm Fri until 30 Sep
Source: Antara Spa
For £350, you and a friend can spend the day at Antara Spa in Chelsea -- which The Good Spa Guide awards its maximum 5-bubble rating -- and each get four treatments, lunch and use of the facilities.
Daily until 20 Sep. Facilities: 9am-10pm Mon-Fri; 9am-8pm Sat-Sun. Treatments: 9am-7pm Mon-Fri; 10am-6pm Sat-Sun