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For saleReduced 14 May 2026
£2,000,000Guide price

** SIGNATURE HOME ** Hay Green Lane, Hook End, Brentwood, CM15 0NT

6bedrooms
Detachedtype
5,075sq ft
Freeholdtenure

Listed 26 Dec 2025 · price reduced 14 May 2026 · Brentwood

How the price compares

This home£2,000,000£394 per sq ft
Median 6 bed in Brentwood£2.58m8 homes listed · £483 per sq ft
Difference-22%below the area median

Key features

  • FAMILY ESTATE - IN EXCESS OF 5000 SQ.FT
  • MAIN HOUSE & 3 x SELF-CONTAINED ANNEX BUILDINGS
  • PLANNING PASSED FOR A DOUBLE STORY EXTENSION TO THE MAIN RESIDENCE
  • FABULOUS VIEWS ACROSS OPEN COUNTRYSIDE
  • GYM / SUMMER HOUSE
  • 3.421 ACRE PLOT (STLS)
  • EXTENSIVE PARKING & DOUBLE GARAGE
  • 6 BEDROOMS IN TOTAL

About this home

Blackmore Mill House is a fantastic opportunity to purchase a gated, family estate, sitting on a spacious plot of around 3.421 acres (stls) and with accommodation which totals around 5075 of sq.ft. Consisting of a large, three-bedroom detached house, with en-suites to two of the bedrooms and three spacious reception rooms which include a fabulous kitchen/family room, in addition to three separate self-contained, detached annexes, a gym/summer house and a double garage, all set in well-tended grounds and being surrounded by open countryside to all aspects. Whilst the property is considered to be in rural location, viewers will note that it is just a short drive of around 4 miles into Brentwood Town Centre as well as being only 5 miles to Shenfield Town Centre where both offer a good selection of high street shops and well-regarded schooling . Both also benefit from Mainline Railway Stations which operate the recently opened Elizabeth Line in to London and Heathrow Airport. Viewers are urged to view at their earliest convenience to fully appreciate all that this wonderful property has to offer.

The main house has a large entrance hall with flagstone flooring which extends to all rooms on the ground floor. There is a large understairs storage cupboard and doors into all rooms. The living room benefits from having three sets of French doors, to two aspects taking in views of the gardens and having direct access onto the patio areas. There is a further siting room, again with French doors to the garden. The heart of the main house is most definitely the kitchen / family room which has a lovely bespoke kitchen, fitted with wooden wall and base units with polished granite worksurfaces and there is also a central island unit. Integrated appliances include double ovens, gas hob with extractor above and there is ample space for freestanding appliances. Rising to the first floor there are three double bedrooms, all with built-in storage. Bedrooms one and two have en-suite shower rooms, and bedroom one further benefits from a lovely balcony with views over the gardens. There is also a separate family bathroom on this level. It is also worth noting that planning permission has been passed to extend the main residence adding a reception room to the ground floor and further bedroom with en suite to the first floor.

As previously mentioned, included in this sale are three, self-contained, detached annexes. Each annex is of a good size, and each has as a minimum, bedroom space, living area and shower room, both en-suite and separate. Two have separate laundry rooms and there is a separate fully fitted kitchen in one of the others. The largest annexe features a fantastic family room of almost 60’ in length where you will find a fabulous bar area with extensive seating, there is also space for a pool table, whilst to one end of the room there is a media wall with ample space for seating. This annex also features a separate sauna and separate w.c with wash hand basin. A spacious gym/summer house of some 25’ in length has two sets of French doors to the exterior and features a fully fitted kitchen area, plus a free-standing bath.

As previously mentioned, this fabulous family estate sits in grounds of around 3.421 acres (stls) which includes extensive parking to the front, including a double garage all set behind double wooden gates. There are several large patio areas within the plot where can you sit and relax and take in views of the gardens and fields beyond.

Main House -

Spacious Entrance Hall - Stairs to first floor. Large under stairs storage cupboard.

Ground Floor Shower Room - Corner shower cubicle, wash hand basin and w.c.

Living Room - 6.65m x 4.98m (21'10 x 16'4) - Three sets of French doors to two aspects. Fireplace with log burning stove.

Sitting Room - 3.68m x 3.18m (12'1 x 10'5) -

Kitchen / Family Room - 8.86m x 6.48m (29'1 x 21'3) - French doors into rear garden. Bespoke fitted kitchen with wooden wall and base units, integrated appliances . Kitchen area has a high, pitched ceiling with 'Velux' roof lights. Brick recess/alcove.

First Floor Landing - Doors to all rooms.

Master Bedroom - 5.56m x 5.28m (18'3 x 17'4) - Excellent storage, fitted wardrobes to one wall. French doors onto balcony with views over the garden and fields beyond. Door to :

En-Suite Shower Room - Shower cubicle, w.c. and wash hand basin.

Bedroom - 3.96m x 2.79m (13' x 9'2) - Built-in storage cupboard. Door to :

En-Suite Shower Room - Shower cubicle, w.c. and wash hand basin.

Bedroom - 3.96m x 3.51m (13' x 11'6) - Built-in storage cupboards.

Family Shower Room - Fully tiled. Fitted in a four piece suite, comprising: shower cubicle, w.c., bidet and wash hand basin.

1) Annex -

Family Room - 18.06m x 4.50m (59'3 x 14'9) - Fabulous bar area with polished quartz bar top and extensive seating. Three sets of bi-folding doors. Hallway through to :

Bedroom - 5.49m x 4.98m (18' x 16'4) - Door to :

Laundry Room - 3.71m x 2.36m (12'2 x 7'9) - Door to exterior.

Door To Inner Lobby - Doors to shower room, separate w.c. and sauna room.

Shower Room - Shower cubicle and wash hand basin

Separate Wc -

Sauna -

2) Annex -

Bedroom - 3.58m x 2.74m (11'9 x 9) - Built-in cupboard, Door to :

En-Suite Shower Room - Shower cubicle, wash hand basin and w.c.

Living Room / Kitchen - 6.83m x 3.71m (22'5 x 12'2) - Double aspect windows.

3) Annex -

Living Room / Bedroom - 8.71m x 3.56m (28'7 x 11'8) - French doors and two sets of bi-folding doors to the exterior. Built-in storage. Open through to :

Kitchen - 2.39m x 2.34m (7'10 x 7'8) - Door to :

Shower Room - Shower cubicle, w.c. and wash hand basin.

Exterior - Laundry Room - 2.51m x 1.85m (8'3 x 6'1) - Built-in storage. Door to :

Separate W..C -

Gym / Summer House - 7.77m x 3.02m (25'6 x 9'11) - Fitted kitchen area with wall and base units. Oven, hob and extractor. Free standing bath. Two sets of French doors to exterior.

Double Garage - 6.43m x 5.79m (21'1 x 19') -

Overall Plot Size - 3.421 Acres (Stls) - Extensive driveway allowing for ample parking. Feature central water fountain.

Agents Note - Fee Disclosure - As part of the service we offer we may recommend ancillary services to you which we believe may help you with your property transaction. We wish to make you aware, that should you decide to use these services we will receive a referral fee. For full and detailed information please visit 'terms and conditions' on our website

In accordance with the Money Laundering, Terrorist Financing and Transfer of Funds (Information on the Payer) Regulations 2017, as amended, all prospective purchasers are required to undergo satisfactory Money Laundering and Identity Verification checks prior to proceeding with a purchase. We will make a charge of £30 per purchaser to cover our costs in respect of these checks. This fee is non-refundable and must be paid upon request to enable the necessary checks to be completed.

Property details

Property type
Detached
Size
5,075 sq ft / 471 sq m
Council tax band
H
Tenure
Freehold
Parking
Yes
Garden
Yes

Floorplan

BlackmoreMillHouseHayGreenLaneCM150NT-High (1).jpg

Location

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1 on this map

  • Shenfield Station3.2 mi
  • Ingatestone Station3.4 mi
  • Brentwood Station4.3 mi

What nearby homes sold for

Median sold prices in CM15 over the last 12 months: detached £800k · semi-detached £540k · flat £290k · terraced £415k.

AddressTypeSoldPrice
Glenavon, Hay Green Lane
Brentwood CM15 0NT
Detached
Freehold
1 Apr 2026£855,000
Mill View, Hay Green Lane
Brentwood CM15 0NT
Detached
Freehold
28 Nov 2025£1,200,000

Contains HM Land Registry data © Crown copyright and database right 2026. Licensed under the Open Government Licence v3.0. All sales in CM15

Buying costs

Monthly repayment£10,005£200,000 deposit · £1,800,000 loan
Stamp Duty£153,750England rates

Estimates only, using rates in force from April 2025. Check GOV.UK, Revenue Scotland or the Welsh Revenue Authority and speak to a mortgage adviser before you offer.

Listed by Keith Ashton, Kelvedon Hatch on Rightmove (original listing). First listed 26 Dec 2025; details checked 7 Nov 2026. Latest change: reduced on 14/05/2026.

Agent disclaimer

Disclaimer - Property reference 34368873. The information displayed about this property comprises a property advertisement. Rightmove.co.uk makes no warranty as to the accuracy or completeness of the advertisement or any linked or associated information, and Rightmove has no control over the content. This property advertisement does not constitute property particulars. The information is provided and maintained by Keith Ashton, Kelvedon Hatch. Please contact the selling agent or developer directly to obtain any information which may be available under the terms of The Energy Performance of Buildings (Certificates and Inspections) (England and Wales) Regulations 2007 or the Home Report if in relation to a residential property in Scotland.

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